Prediction of fiber orientation in injection molded parts of short-fiber-reinforced thermoplastics

1990 ◽  
Vol 30 (16) ◽  
pp. 957-966 ◽  
Author(s):  
Takaaki Matsuoka ◽  
Jun-Ichi Takabatake ◽  
Yoshinori Inoue ◽  
Hideroh Takahashi
Keyword(s):  
Fiber Orientation ◽  
Short Fiber ◽  
Fiber Reinforced ◽  
Molded Parts ◽  
Injection Molded ◽  
Reinforced Thermoplastics ◽  
Fiber Reinforced Thermoplastics

Fiber Orientation in Injection-Compression Molded Short-Fiber-Reinforced Polypropylene Parts

2009 ◽  
Author(s):  
Han-Xiong Huang ◽  
Can Yang ◽  
Kun Li
Keyword(s):  
Fiber Orientation ◽  
Flow Direction ◽  
Processing Parameters ◽  
Short Fiber ◽  
Fiber Reinforced ◽  
Compression Force ◽  
Time Compression ◽  
Compression Time ◽  
Molded Parts ◽  
Injection Molded

Four processing parameters, including compression force, compression time, compression distance, and delay time, were investigated in terms of their effects on the fiber orientation in injection-compression molded (ICM) short-fiber-reinforced polypropylene parts. The results reveal that the fiber orientation pattern in ICM parts is different from that in conventional injection molded parts. Compression force plays an important role in determining the fiber orientation, whereas the effect of compression time can be neglected. Moreover, the fiber orientation changes obviously in the width direction, with most fibers arranging orderly in the flow direction at positions near the mold cavity wall.

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