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Cited Articles
Table of Contents
Journal Papers
Journal Papers
2022
2022
Huan-Chang Tseng
Journal of Non-Newtonian Fluid Mechanics (2022)
On pursuing the seminal work of Jeffery's orbit (1922), the pioneering rheologists were inspired to originate modern suspension rheology in a fiber-filled viscous fluid. Understanding the flow-induced orientation distribution within fiber-reinforced thermoplastics (FRT) composites is...
Wei Qi, Tzu-Heng Chiu, Yi-Kai Kao, Yuan Yao, Yu-Ho Chen, Hsun Yang , Chen-Chieh Wang, Chia-Hsiang Hsu, and Rong-Yeu Chang
Polymers (2022)
To meet the expectation of the industry, resin transfer molding (RTM) has become one of the most promising polymer processing methods to manufacture fiber-reinforced plastics (FRPs) with light weight, high strength, and multifunctional features. The permeability and porosity...
2021
2021
Yu-Ho Wen, Chen-Chieh Wang, Guo-Sian Cyue, Rong-Hao Kuo, Chia-Hsiang Hsu and Rong-Yeu Chang
Polymers (2021)
For highly viscous polymer melts, considerable fluid temperature rises produced by viscous heating can be a disturbing factor in viscosity measurements. By scrutinizing the experimental and simulated capillary pressure losses for polymeric liquids, we demonstrate the importance...
Huan-Chang Tseng
Physics of Fluids (2021)
A viscosity overshoot of fibers filled in a polymer melt under a shear flow is much tougher to predict via the existing constitutive equations of suspension rheology in a viscous media, owing to the effect of fiber orientation on the viscoelastic behavior. The WMT-X (White–Metzner...
Huan-Chang Tseng
Physics of Fluids (2021)
Predicting a transient stress overshoot for polymer melts under startup shear flow is challenging. In recent, the classical White–Metzner (WM) constitutive equation of nonlinear viscoelastic fluids was potentially extended. For viscoelastic material functions, the minus...
Huan-Chang Tseng
Physics of Fluids (2021)
The famous White–Metzner (WM) constitutive equation expresses a relatively simple nonlinear viscoelastic fluid of polymer melts. However, such a differential stress model, substantial with strong hyperbolic and singular problems, has hitherto always obtained unsatisfactory...
Yuan-Jung Chang, Rong-Yeu Chang, and Tim A. Osswald
Physics of Fluids (2021)
Bulk viscosity describes the irreversible resistance to the rate of volume change. Bulk viscosity, which is more than ten thousand times higher than shear viscosity, has been ignored in the field of polymer processing for the past decades. Bulk viscosity may play an important role for...
2016-2020
2016-2020
Huan-Chang Tseng
Journal of Rheology (2020)
Creating an entry vortex growth simulation to show viscous and elastic fluid behaviors has always been a major challenge for the computational
rheology of well-characterized polymer melts with extension thickening. For one thing, it is difficult to ensure stable convergence and...
Huan-Chang Tseng , Rong-Yeu Chang and Chia-Hsiang Hsu
Journal of Thermoplastic Composite Materials (2020)
In the structural analysis of automotive products made of lightweight fiber-reinforced thermoplastics (FRT), the primary mechanical requirement is their relation to the orientation states of fibers. The famous Folgar–Tucker equation of fiber orientation has hitherto been...
Chao-Tsai Huang, Rong-Yeu Chang, and Chia-Hsiang Hsu
International Polymer Processing (2018)
Understanding the effect of fiber orientation on mechanical properties is a primary consideration for long fiber-reinforced thermoplastics in automotive applications. In injection-molded parts, the classical Folgar-Tucker model has been used to predict the shell-core...
Huan-Chang Tseng, Rong-Yeu Chang, and Chia-Hsiang Hsu
International Polymer Processing (2018)
Fiber composites are the pinnacle of lightweight materials in the automotive industry. The orientation of the reinforcing fibers strongly affects the mechanical performance of the finished part. However, fiber orientation prediction with high accuracy is difficult for a complex flow...
Huan-Chang Tseng, Rong-Yeu Chang, and Chia-Hsiang Hsu
Journal of Rheology (2018)
The Phelps-Tucker anisotropic rotary diffusion (ARD) equation constitutes an important development in relation to concentrated fiber suspension rheology and is significant in its ability to predict transient, flow-induced fiber orientation, especially for long fiber composites...
Chao-Tsai Huang, Huan-Chang Tseng
PES (2017)
In recent years, the use of long fiber-reinforced thermoplastics (LFRT) has become one of the most popular materials in lightweight applications. However, the microstructure of the fiber inside the plastic matrix is quite complex, making it hard to fully control the fiber effect in the...
Chao-Tsai Huang
The International Journal of Advanced Manufacturing Technology (2017)
Co-injection molding and multi-cavity molding are common processes for plastic products manufacturing. These two systems are sometimes combined and applied in the manufacture of bifurcation-structure products. However, how the influential factors truly affect the...
Chih-Chung Hsu, Chao-Tsai Huang and Rong-Yeu Chang
JPE (2017)
The gas-assisted injection molding (GAIM) process is often adopted to compensate for shrinkage and improve part quality. However, gas penetrations consisting of primary and secondary penetrations will usually induce “fingering” behaviors, in which gas penetrates...
Huan-Chang Tseng, Rong-Yeu Chang, and Chia-Hsiang Hsu
Journal of Thermoplastic Composite Materials (2017)
The microstructures of injection-molded short fiber composites, involving fiber orientation and fiber concentration, strikingly influence flow behaviors and mechanical properties. Through the use of certain commercial software, reported numerical predictions of fiber orientation for the...
Huan-Chang Tseng, Rong-Yeu Chang, and Chia-Hsiang Hsu
Journal of Thermoplastic Composite Materials (2017)
During the packing or post-filling stage, a significant flow of polymer inside the cavity may result due to the compressibility of the polymer melt under the higher packing pressure of the injection molding process. In the meantime, the effect of the packing stage on the shell–core...
Chao-Tsai Huang, Huan-Chang Tseng
Polymer Engineering and Science (2017)
In recent years, the use of long fiber-reinforced thermoplastics (LFRT) has become one of the most popular materials in lightweight applications. However, the microstructure of the fiber inside the plastic matrix is quite complex, making it hard to fully control the fiber effect in the...
Huan-Chang Tseng, Rong-Yeu Chang, and Chia-Hsiang Hsu
Polymer Composites (2017)
The use of long carbon fiber-reinforced thermoplastic composites as lightweight automotive materials offers superior mechanical performance compared to glass fibers. However, the anisotropic fiber orientation distribution with shell–core structure is critical to determine...
Huan-Chang Tseng, Rong-Yeu Chang, and Chia-Hsiang Hsu
Polymer Composites (2017)
Predictions of fiber orientation dependent mechanical properties are extremely important in the automotive industry for injection molded fiber-reinforced thermoplastic composites. Prior studies on three-dimensional (3D) numerical computations have not had satisfactory results...
Huan-Chang Tseng, Massato Gato, Rong-Yeu Chang, and Chia-Hsiang Hsu
Polymer Composites (2017)
Mechanical performance of lightweight automotive materials made of long fiber-reinforced thermoplastic composites is potentially superior to that of short fiber. However, accurate prediction of fiber orientation is critical for determining reliable mechanical properties. Thus...
Huan-Chang Tseng, Rong-Yeu Chang, and Chia-Hsiang Hsu
Composites Science and Technology (2017)
requirement for improving mechanical performance and carrying out structural analysis for long fiberreinforced thermoplastics (LFRT) in injection molding. When using 3D-mesh computation, the orientation in the shell layer was predicted fairly well, but resulted in over-predictive...
Huan-Chang Tseng, Rong-Yeu Chang, and Chia-Hsiang Hsu
Composites (2017)
Highly concentrated fiber suspensions exhibit complex rheological behaviors. There is a particular broader core region of the fiber orientation structure for fiber-filled parts in the injection molding process.
However, there is a long-running problem requiring an urgent...
Huan-Chang Tseng, Rong-Yeu Chang, and Chia-Hsiang Hsu
International Polymer Processing (2017)
Long fiber-reinforced thermoplastic (LFRT) composites are a very important lightweight material for practical use by the automotive industry because their mechanical performance is superior to that of short fibers. Microstructures of LFRT products, including fiber orientation...
Huan-Chang Tseng, Rong-Yeu Chang, and Chia-Hsiang Hsu
Composites (2017)
Fiber orientation distribution in injection molded fiber composites has an important shell-core structure.
Recently, significant theoretical orientation models, including RSC (Reduced Strain Closure), ARD
(Anisotropic Rotary Diffusion), and iARD-RPR (improved ARD and Retarding...
Huan-Chang Tseng, Rong-Yeu Chang, and Chia-Hsiang Hsu
Composites Science and Technology (2017)
Fiber reinforced polymer (FRP) composites offer exciting new possibilities for the green automotive industry, owing to their excellent mechanical properties, advantageous weight reduction and economical fuel consumption. In practice, accurately predicting fiber orientation...
Chao-Tsai Huang, Che-Ping Lin, Shih-Po Sun, Shi-Chang Tseng and Rong-Yeu Chang
Materials and Product Technology (2016)
Multiple component moulding (MCM) is one of the great methods to fabricate the modern injection products. Due to many procedure combinations, it is very difficult to know the detailed process. Besides, because of its complicated nature and the unclear physical mechanism...
Huan-Chang Tseng, Rong-Yeu Chang, and Chia-Hsiang Hsu
Journal of Rheology (2016)
The improved anisotropic rotary diffusion (iARD) model was previously regarded as a suitable description of anisotropic orientation states for long fibers in concentrated suspensions. However, the iARD tensor does not pass the classic rheological rule of Euclidean objectivity...
2011-2015
2011-2015
Chao-Tsai Huang, Huan-Chang Tseng, Jiri Vlcek and Rong-Yeu Chang
Materials Science and Engineering (2015)
Due to the high demand of smart green, the lightweight technologies have become the driving force for the development of automotives and other industries in recent years. Among those technologies, using short and long fiber-reinforced plastics (FRP) to replace some metal...
Chao-Tsai Huang, Jackie Yang, Rong-Yeu Chang
AIP Conference Proceedings (2015)
Co-Injection Molding and multi-cavity molding are very common processes for plastic manufacturing. These two systems are sometimes combined and applied to some structure products. The core penetration and flow balance control problems are very difficult to...
Peter H. Forss, Huan-Chang Tseng, John Snawerdt, Yuan-Jung Chang2, Wen-Hsien Yang2, Chia-Hsiang Hsu
Polymer Composites (2014)
In the automotive industry, glass-filled thermoplastics are used in air intake manifolds, radiator tanks, and many other parts. However, widespread application of glass-filled thermoplastic materials has been limited in many cases by the inability to accurately predict performance...
Tzu-Chau Chen, Chao-Tsai Huang, Yan-Chen Chiu, Wei-Da Wang, Cheng-Li Hsu, Chen-Yang Lin, and Lung-Wen Kao
International Journal of Precision Engineering and Manufacturing (JPEM) (2013)
Runner system plays a very important role in injection molding process. A quality runner design is helpful in improving product qualities and saving material. However, traditional cold runner systems have certain inherent issues. Moreover, poor product cosmetics are commonly seen...
Fu-Hung Hsu, Chao-Tsai Huang, Rong-Yeu Chang
APEM Journal (2013)
Most advanced technologies developed nowadays focus on issues such as minimizing manufacturing cost and improving product quality. Cooling system design is one of the most critical factors to reduce cycle time. Conformal cool-ing is the concept which can reduce...
Huan-Chang Tseng, Rong-Yeu Chang, and Chia-Hsiang Hsu
Journal of Rheology (2013)
The standard Folgar-Tucker (FT) orientation equation is a useful method for theoretically determining isotropic fiber orientation in concentrated suspensions. However, when quantitatively compared with related experimental observations, this equation demonstrates...
Chao-Tsai Huang, I-Sheng Hsieh, and Cheng-Han Tsai
International Polymer Processing (2011)
To eliminate surface defects and improve the quality of molded parts, increasing the mold temperature is one of the solutions. Using high mold temperature can eliminate weld lines, reduce molding pressure, residual stress and clamping force and improve part surface quality...
Patents
Patents
2022
2022
METHOD OF SETTING PRESSURE PROFILE OF INJECTION-MOLDING APPARATUS
Rong-Yeu Chang, Yuing Chang, Chia-Hsiang Hsu, Ting-Yu Cheng
Patent No.: US 11230044 B2
The present disclosure provides a method of producing a molded product. The method comprises steps of performing, via computer-assisted engineering simulation software, a first simulation process to generate a plurality of molding conditions comprising a default...
For further details, please contact Moldex3D or use "Patent Public Search"
METHOD FOR SETTING MOLDING CONDITIONS OF INJECTION-MOLDING EQUIPMENT
Rong-Yeu Chang, Chia-Hsiang Hsu, Chuan-Wei Chang
Patent No.: US 11230043 B2
A system for setting injection-molding conditions and a method for setting actual molding conditions of an injection-molding machine are disclosed. The system includes a computer and an injection-molding equipment. The computer is configured to simulate, via computer-aided...
For further details, please contact Moldex3D or use "Patent Public Search"
SYSTEM AND METHOD FOR SETTING MOLDING CONDITIONS OF INJECTION-MOLDING EQUIPMENT
Rong-Yeu Chang, Chia-Hsiang Hsu, Chuan-Wei Chang
Patent No.: US 11225005 B2
A system for setting injection-molding conditions and a method for setting actual molding conditions of an injection-molding machine are disclosed. The system includes a computer and an injection-molding equipment. The computer is configured to simulate, via computer-aided...
For further details, please contact Moldex3D or use "Patent Public Search"
METHOD OF MEASURING TRUE SHEAR VISCOSITY PROFILE OF MOLDING MATERIAL IN CAPILLARY AND MOLDING SYSTEM PERFORMING THE SAME
Chen-Chieh Wang, Yu-Ho Wen, Guo-Sian Cyu,
Chia-Hsiang Hsu, Rong-Yeu Chang
Patent No.: US 11376776 B2
The present disclosure provides a method of measuring a true shear viscosity profile of a molding material in a capillary and a molding system performing the same. The method includes the operations of: determining a setpoint temperature of the molding material before...
For further details, please contact Moldex3D or use "Patent Public Search"
METHOD OF MEASURING UNDERFILL PROFILE OF UNDERFILL CAVITY HAVING SOLDER BUMPS
Yu-En Liang, Chia-Peng Sun, Chih-Chung Hsu, Rong-Yeu Chang, Chia-Hsiang Hsu
Patent No.: US 11355361 B1
The present disclosure provides a method for measuring an underfill profile of an underfill material in an underfill cavity having a plurality of solder bumps. The method includes the operations of: determining a mesh having a plurality of elements according to the underfill...
For further details, please contact Moldex3D or use "Patent Public Search"
MOLDING SYSTEM FOR PREPARING AN INJECTION-MOLDED ARTICLE
Huan-Chang Tseng, Rong-Yeu Chang, Chia-Hsiang Hsu
Patent No.: US 11407156 B1
The present disclosure provides an injection-molding system for preparing an injection-molded article using a computer-aided engineering (CAE) simulation. The molding system includes a molding machine; a mold disposed on the molding machine and having a mold cavity for...
For further details, please contact Moldex3D or use "Patent Public Search"
MOLDING SYSTEM FOR PREPARING MOLDED ARTICLE WITH ORIENTATION EFFECT
Huan-Chang Tseng, Rong-Yeu Chang, Chia-Hsiang Hsu
Patent No.: US 11376777 B1
A molding system includes a molding machine, a mold disposed on the molding machine, a processing module, and a controller operably communicating with the processing module. The molding machine includes a barrel, a screw moving within the barrel, a driving motor driving...
For further details, please contact Moldex3D or use "Patent Public Search"
METHOD OF MEASURING EXTENSIONAL VISCOSITY OF POLYMER MELTS AND CAPILLARY INJECTION SYSTEM
Huan-Chang Tseng, Rong-Yeu Chang, Chia-Hsiang Hsu
Patent No.: US 11378505 B1
The present disclosure provides a method of measuring an extensional viscosity of a polymer melt and a capillary injection system. The method includes the operations of: based on a weighted GNF viscosity model, obtaining a viscosity profile of the polymer melt...
For further details, please contact Moldex3D or use "Patent Public Search"
METHOD OF MEASURING VOIDS IN UNDERFILL PACKAGE
Chien-Ting Wu, Ching-Kai Chou, Kai-Yi Bai, Wei-Yu Lin, Li-Hsuan Shen, Chia-Peng Sun, Chih-Chung Hsu, Rong-Yeu, Chang, Chia-Hsiang Hsu
Patent No.: US 11521903 B1
The patent disclosure provides a method of measuring a plurality of voids in an underfill material of an underfill package. The method includes operations of obtaining a welding angle profile of the underfill package; obtaining a simulated void profile of the underfill package...
For further details, please contact Moldex3D or use "Patent Public Search"
2021
2021
MOLDING SYSTEM FOR PREPARING THERMOPLASTIC COMPOSITE ARTICLE
Huan-Chang Tseng, Rong-Yeu Chang, Chia-Hsiang Hsu
Patent No.: US 11065795 B1
The present disclosure provides a molding system for preparing an injection-molded plastic article. The molding system includes a molding machine; a mold disposed on the molding machine and having a mold cavity for being filled with a molding resin including a plurality...
For further details, please contact Moldex3D or use "Patent Public Search"
MOLDING SYSTEM FOR PREPARING INJUECTION-MOLDED ARTICLE
Huan-Chang Tseng, Rong-Yeu Chang, Chia-Hsiang Hsu
Patent No.: US 11027470 B1
A molding system includes a molding machine having a screw, a driving motor driving the screw to move a molding resin; a mold disposed on the molding machine and connected to the barrel of the molding machine to receive the molding resin, and having a mold cavity with...
For further details, please contact Moldex3D or use "Patent Public Search"
CLAMPING MECHANISM ASSEMBLY
Yuing Chang, Chih-Kang Lee, Chia-Hsiang Hsu, Rong-Yeu Chang
Patent No.: US 10987844 B1
"The present disclosure provides a clamping assembly in operative connection with a mold of an injection-molding apparatus. The clamping assembly includes a fixed plate, a rear plate, a plurality of tie bars, a movable plate, a driving module, and a temperature adjuster. The rear...
For further details, please contact Moldex3D or use "Patent Public Search"
COMPUTER-IMPLEMENTED SIMULATION METHOD FOR INJECTION-MOLDING PROCESS
Chih-Chung Hsu, You-Sheng Zhou, Rong-Yeu Chang, Chia-Hsiang Hsu
Patent No.: US 10960592 B2
A computer-implemented simulation method for use in a molding process by a computer process is disclosed. The method includes steps of specifying a simulating domain comprising a mold cavity and a barrel of an injection machine, wherein the barrel is configured to connect...
For further details, please contact Moldex3D or use "Patent Public Search"
METHOD FOR MEASURING A FLOWING PROPERTY IN A RESIN TRANSFER MOLDING SYSTEM
Yuan Yao, Tzu-Heng Chiu, Rong-Yeu Chang, Chua-Hsiang Hsu, Chih-Wei Wang, Shih-Po Sun, Sung-Wei Huang, Husn Yang, Tsai-Heng Tsai
Patent No.: US 10946597 B2
The present disclosure provides a measurement method for a molding system comprising an upper mold and a lower mold forming a mold cavity. The method includes applying a pressure difference to a molding resin for driving the molding resin to flow into a preform in the mold...
For further details, please contact Moldex3D or use "Patent Public Search"
MOLDING SYSTEM FOR PREPARING MOLDING ARTICLE
Yuan-Jung Chang, Rong-Yeu Chang, Chen-Chieh Wang, Chia-Hsiang Hsu
Patent No.: US 10940623 B1
The present disclosure provides a molding system for preparing molding articles. The molding system includes a molding machine; a mold disposed on the molding machine and having a mold cavity for being filled with a molding resin; a processing module configured to generate...
For further details, please contact Moldex3D or use "Patent Public Search"
MOLDING SYSTEM FOR PREPARING INJECTION-MOLDED ARTICLE
Huan-Chang Tseng, Rong-Yeu Chang, Chia-Hsiang Hsu
Patent No.: US 10919202 B1
The present disclosure provides a molding system for preparing injection-molded articles. The molding system includes a molding machine; a mold disposed on the molding machine and having a mold cavity for being filled with a molding resin; a processing module configured to...
For further details, please contact Moldex3D or use "Patent Public Search"
树脂转移模制系统的流动特性的测量系统和测量方法
姚遠、邱子恆、張榮語、許嘉翔、王智偉、孫士博、黃松煒、楊巡、蔡在恒
Patent No.: ZL201810418824.9
本公开提供一种测量系统，应用于测量模制系统的纤维预制件的渗透率/孔隙率比值。在一些实施例中，该测量系统包括一模具、一检测装置、一树脂供应源和一计算装置。该模具包括一上模具和一下模具，其间形成一模具腔。该树脂供应源经配置以将一成型树脂输入该模具腔内的该预制...
如需全文請與Moldex3D聯繫，或利用全球專利資訊檢索系統進行檢索。
2020
2020
MOLDING SYSTEM FOR PREPARING AN IN-MOLD DECORATED ARTICLE
Chih-Chung Hsu, Tung-Huan Su, Hsien-Sen Chiu, Chia-Hsiang Hsu, Rong-Yeu Chang
Patent No.: US 10864667 B2
A molding system comprises a mold, a molding machine, a computing apparatus, and a controller. The computing apparatus is programmed to perform a first simulation to generate a velocity distribution and a temperature distribution of the molding material in a first portion of...
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MOLDING SYSTEM FOR PREPARING INJECTION-MOLDED ARTICLE
Huan-Chang Tseng, Rong-Yeu Chang, Chia-Hsiang Hsu
Patent No.: US 10713402 B1
The present disclosure provides a molding system for preparing an injection-molded article. The molding system includes a molding machine; a mold disposed on the molding machine and having a mold cavity for being filled with a molding resin; a processing module configured...
For further details, please contact Moldex3D or use "Patent Public Search"
MOLDING SYSTEM FOR PREPARING FIBER-REINFORCED THERMOPLASTIC COMPOSITE ARTICLE
Huan-Chang Tseng, Rong-Yeu Chang, Chia-Hsiang Hsu
Patent No.: US 10710285 B1
The present disclosure provides a molding system for preparing injection-molded articles. The molding system includes a molding machine; a mold disposed on the molding machine and having a mold cavity for being filled with a molding resin; a processing module configured...
For further details, please contact Moldex3D or use "Patent Public Search"
MOLDING SYSTEM FOR PREPARING FIBERLESS THERMOPLASTIC COMPOSITE ARTICLE
Huan-Chang Tseng, Rong-Yeu Chang, Chia-Hsiang Hsu
Patent No.: US 10703030 B1
The present disclosure provides a molding system for preparing an injection-molded fiberless plastic article. The molding system includes a molding machine; a mold disposed on the molding machine; a processing module configured to generate an anisotropic viscosity...
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METHOD FOR SETTING UP A MOLDING SYSTEM
Yuing Chang, Rong-Yeu Chang, Chia-Hsiang Hsu, Chuan-Wei Chang, Ching-Chang Chien
Patent No.: US 10562218 B2
The present disclosure provides a method for operating a molding system. The molding system includes a molding machine and a mold disposed on the molding machine, wherein the mold has a mold cavity for being filled with a molding material from the molding machine...
For further details, please contact Moldex3D or use "Patent Public Search"
一种成型系统及其设定方法
張英、張榮語、許嘉翔、張權緯、簡錦昌
Patent No.: ZL201811353275.8
本公开提供一种成型系统及其设定方法。该成型系统包括一成型机及设置于该成型机的上方的一模具，该模具具有一模穴，经配置以填充来自该成型机的一成型材料。该设定方法包括：使用一预定保压程序产生一第一状态波形及一第二状态波形；基于该第一状态波形及该第二状态波形...
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Before 2020
Conference Papers
Conference Papers
2022
2022
An integrated three dimensional numerical simulation of nonlinear warpage analysis for injection-molding process
Hsiang-Liang Lin, Li-Hsuan Shen, Chih-Chung Hsu, Rong-Yeu Chang
ANTEC
Nonlinear warpage analysis which considers different kinds of nonlinearity effects has attracted more and more attention recently, especially in the automotive industry. This study is mainly aimed at using the new functions in Moldex3D, “Nonlinear warp analysis” and...
If you are interested to read more, please contact Moldex3D for more information.
A complete fiber orientation investigation of compression molding process for sheet molding compound (SMC)
Kaori Oshita, Satoshi Morita, Atsushi Kawada, Hirokuni Fujita, Masahiro Hakotani, Chun-Hsiang Wang, Chih-Chung Hsu, Hsien-Sen Chiu, Li-Yang Chang, Nai-Jen Hsiao, Kai-Yuan Wang
PPS
Compression molding is a high-volume, high-pressure method suitable for molding complex, high strength fiber glass reinforcements. Materials that are typically manufactured in compression molding are thermosetting resins with chopped glass/carbon fibers as the sheet...
If you are interested to read more, please contact Moldex3D for more information.
Study on the correlation between the micro fiber orientation distribution and macro geometrical shrinkage changes
Jun-Zheng Wang, Chao-Tsai (CT) Huang*, Sheng-Jye Hwang, Po-Wei Huang3, Hsin-Shu Peng, Chih-Che Wu, and Chun-I Tu
PPS
The micro-structures of the fibers have been regarded as the main content to enhance the strength for fiber-reinforced plastics (FRP) products. However, the micro-structures inside plastic matrix are very complex, they are not easy to be visualized and managed. Moreover...
If you are interested to read more, please contact Moldex3D for more information.
Study on the fiber orientation variation due to bubble effect in fiber reinforced microcellular injection molding
Le Ke, Jun-Zheng Wang, Chao-Tsai (CT) Huang, Shyh-Shin Hwang, and Rong-Yeu Chang
PPS
Due to its great functionality, the fiber reinforced thermoplastics (FRP) has been applied in industrial as one of the lightweight technologies for many years. However, the non-uniform shrinkage and warpage due to the fiber microstructure becomes one of the big challenges...
If you are interested to read more, please contact Moldex3D for more information.
A novel equivalent model for underfill molding process on 2.2D structure for high performance applications
Yu En Liang, Chia Peng Sun, Chih Chung Hsu, Dyi Chung Hu, Er Hao Chen, Jeffrey Changbing Lee
ECTC
Different optimization methods or strategies have been proposed and utilized to enhance the quality of injected products for many years. However, what is the machine characteristics to influence the efficiency of the optimization method? It is not fully understood yet. In this study...
If you are interested to read more, please contact Moldex3D for more information.
Discover the physical mechanism of the interface formation in co-injection molding using rheological behavior
You-Ti Rao, Kuan-Yu Ko, Chao-Tsai Huang, Chih-Chung Hsu, You-Sheng Zhou, David Hsu, Rong-Yue Chang, and Shi-Chang Tseng
ANTEC
Co-injection molding has been introduced into industrial application for several decades. However, due to the formation of the interface between skin and core materials is very difficult to be observed, and controlled, a good quality of co-injection product can not be obtained...
If you are interested to read more, please contact Moldex3D for more information.
Study on machine identification and its effect on the rsm optimization in injection molding
Rui-Ting Xu, Tsung-Han Wang, Chao-Tsai (CT) Huang, Po-Hsuan Chen, Wen-Ren Jong, Shia-Chung Chen, David Hsu and Rong-Yeu Chang
ANTEC
Different optimization methods or strategies have been proposed and utilized to enhance the quality of injected products for many years. However, what is the machine characteristics to influence the efficiency of the optimization method? It is not fully understood yet. In this study...
If you are interested to read more, please contact Moldex3D for more information.
Experiment and simulation of 1D flow and in-plane permeability validation considering fabrics orientation effects in resin transfer molding
Yu-Ho Chen, Yi-Kai Kao, Chen-Chieh Wang, Hsun Yang, Yuan Yao, Chia-Hsiang Hsu Rong-Yeu Chang
ANTEC
The main target for Design for Manufacturing and Assembly (DFMA) is to integrate multiple components with multiple functions to minimize cost and efforts. In addition, a family mold system has been utilized in industrial manufacturing to make a series integrated components...
If you are interested to read more, please contact Moldex3D for more information.
2021
2021
Thermal-flow simulation for heating module of thermoplastic pvt instrument
Shi-Chang Tseng, Shyang-Jye Chang, Li Fang, Chia-Kai Chang, Jian-He Liao, Jen-Jye Wang, De-Long Lai
模具公會
Due to the production development, for the quality and stability of plastics have higher requirements, the traditional method for improving quality mainly depends on experience to adjust and optimize controlling technology and injection molding parameters. There’s no...
If you are interested to read more, please contact Moldex3D for more information.
Study on the dynamic behavior of skin/core interface and its quantification in co-injection molding
Kuan-Yu Ko, Chao-Tsai (CT) Huang, You-Ti Rao, Gwo-Geng Lin, Chih-Chung Hsu, Tim Chou, David Hsu, and Shi-Chang Tseng
模具公會
The co-injection molding process has been widely used in daily life or in many industries. Its characteristic is to combine different color or different materials to make the skin and core structure products, such as: uniquely designed furniture (for example: Lattoflex's Winx300...
If you are interested to read more, please contact Moldex3D for more information.
3D numerical simulation and experimental observation of bubble growth and shrinkage in nitrogen-gas saturated molten polymer for the foam molding process
Cheng-Hong Pai, Li-Yang Chang, Chih-Chung Hsu
模具公會
The foam injection molding method is popular in various industries by its superior physical properties e.g., low thermal conductivity, low relative density, good shock absorbance, low dielectric transmission loss, and good sound absorption than solid plastics. These superior...
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Organic package warpage predictive modelling methodologies
Kang Eu Ong , Wei Keat Loh , Philip Chang , Arvind Purushotaman , Tatsuro Yoshida , Kei Murayama , Makoto Tsukahara , Ron W. Kulterman , Haley Fu
IMPACT
The present study focuses on organic package warpage modeling with copper wiring filled with different polymer materials for Core and Build Up. A modeling methodology using trace mapped model along with viscoelastic and PVTC material models were used to predict package...
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Study on the quantification of the advancement of core material in co-injection molding products
Kuan-Yu Ko , Chao-Tsai (CT) Huang , Chih-Chung Hsu , You-Sheng Zhou , David Hsu , and Shi-Chang Tseng
ANTEC
Co-injection molding has been developed for decades. However, due to too many factors which can affect its processing, it is very difficult to obtain good quality of coinjected products all the time. One of the major challenges is that the prediction and management of the advancement...
If you are interested to read more, please contact Moldex3D for more information.
3D numerical simulation and experimental observation of bubble growth and collapse in nitrogen-gases
Kentaro Taki, Allen Peng, Barry Pai, Grace Chang, Robert Chang, Jim Hsu, Hideo Akimoto, Hisahiro Tanaka
ANTEC
Co-injection molding has been developed for decades. However, due to too many factors which can affect its processing, it is very difficult to obtain good quality of coinjected products all the time. One of the major challenges is that the prediction and management of the advancement...
If you are interested to read more, please contact Moldex3D for more information.
Study on the flow-fiber couling and its influence on the shrinkage of frp injection parts
Cheng-Hong Lai, Chao-Tsai (CT) Huang, Jia-Hao Chu ,Wei-Wen Fu, Sheng-Jye Hwang, Hsin-Shu Peng, Chih-Che Wu, and Chun-I Tu
ANTEC
The fiber-reinforced plastics (FRP) material has been applied into industry as one of the major lightweight technologies, especially for automotive or aerospace products. The reason why fibers can enhance plastics is because of their microstructures. One of those microstructures...
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Viscous heating correction for shear viscosity of polymer mets in capillary rheometry
Yu-Ho Wen, Chen-Chieh Wang, Chia-Hsiang Hsu, and Rong-Yeu Chang
ANTEC
The fiber-reinforced plastics (FRP) material has been applied into industry as one of the major lightweight technologies, especially for automotive or aerospace products. The reason why fibers can enhance plastics is because of their microstructures. One of those microstructures...
If you are interested to read more, please contact Moldex3D for more information.
Investigate on the degree of assembly for components in an injection family mold system
Tsai-Wen Lin, Chao-Tsai (CT) Huang, Wen-Ren Jong
, and, Shia-Chung Chen
ANTEC
Co-injection molding has been introduced into industrial application for several decades. However, due to the formation of the interface between skin and core materials is very difficult to be observed, and controlled, a good quality of co-injection product can not be obtained...
If you are interested to read more, please contact Moldex3D for more information.
On the development of a mold with conformal cooling channel for metal injection molding
Wei-Chen Zhou, Pei-Bo Sung, Yao-Chen Tsai, Jian-Hong Lin, Chia-Hsiang Hsu, Jiing-Yih Lai
模具公會
Conventional 2D cooling channels may not be easy to deal with the problem of non-uniform temperature distribution for multi-cavity molds in metal injection molding, and may cause shaping defects of the product. We develop an integrated technology for the MIM product...
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2020
2020
Advanced simulation methods for prediction of multi-layer non-matching fiber mat applications in resin transfer molding process
Hsun Yang, Chih-Chung Hsu, Chia-Hsiang Hsu, and Rong-Yeu Chang
ANTEC
The objective of this study is to use a simulation tool of resin transfer molding (RTM) process to get a comprehensive understanding of the permeability measuring process. In order to verify the simulation tool’s capability to simulate oil flow in non-matching fabric we build the mesh...
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A valid design prediction approach of 3D metal-printed mold manufacturing
Po-Chieh Huang, Chian-Hsiang Lin, Chong-Bin Yang, Wen-Hsin Weng, Wen-Yang Peng and Alan Liao
ANTEC
The objective of this study is to use a simulation tool of resin transfer molding (RTM) process to get a comprehensive understanding of the permeability measuring process. In order to verify the simulation tool’s capability to simulate oil flow in non-matching fabric we build the mesh...
If you are interested to read more, please contact Moldex3D for more information.
The advanced study of hybrid molding by CAE simulation
Che-Ping Lin
ANTEC
In this automotive power supply test-seat assembly case, the development process combines injection molding simulation, 3D metal printing technology and real experiments to demonstrate an effective mold development approach. Simulation-driven conformal cooling design...
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Viscoelastic measurement and injection molding simulation of amorphous polymer: from liquid to solid state
Chen-Chieh Wang, Rong-Yeu Chang
ANTEC
Hybrid Molding is an emerging molding technology that is used in composite products. It has integrated molding characteristics, which can integrate multi-step process, save cost, reduce cycle time and make the product multifunctional. However, it is very hard to know what...
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3D chemical foaming simulation for transfer molding process
Li-Yang Changa, Chen-Chieh Wanga, Chih-Chung Hsua, Chia-Hsiang Hsua
ANTEC
The viscoelastic properties under wide temperature range (from viscous to glassy state) and various flow field are studied in this work for a commercial amorphous polymer. It is found that multi-mode EPTT model can describe all measured properties well including dynamic...
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The challenge of simulation for ear-flow phenomenon in injection-mold filling
Huan-Chang Tseng
ANTEC
This study presents the recent development of threedimensional prediction of cross-linked ethylene propylene diene monomer rubber (EPDM) with chemical blowing agent azodicarbonamide (ADCA) in transfer molding process. Plunger retraction is applied after...
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Jenn An Wang, Ong. Kang Eu, Weng Hsin Weng, Chih Chung Hsu, Wei Keat Loh, Ron W. Kulterman, Haley Fu
IMPACT
In the past, the Dihn-Armstrong flow-fiber coupling model has been demonstrated to only be relevant in semi-concentrated fiber suspensions. However, the broader core of fiber orientation distribution induced by the plug flow velocity profile for high fiber concentrations cannot be...
Before 2020
Cited Articles
Cited Articles
2022
2022
Dongyou Huang, Hesheng Liu, Tangqing Kuang, and Zhong Yu
Advances in Polymer Technology
2018
2018
MC Quintana and MP Frontini
Journal of Reinforced Plastics and Composites