Processing-Microstructure Models for Short- and Long-Fiber Thermoplastic Composites
Phelps, Jay H.
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https://hdl.handle.net/2142/83930
Description
Title
Processing-Microstructure Models for Short- and Long-Fiber Thermoplastic Composites
Author(s)
Phelps, Jay H.
Issue Date
2009
Doctoral Committee Chair(s)
Tucker, Charles L., III
Department of Study
Mechanical Engineering
Discipline
Mechanical Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Materials Science
Language
eng
Abstract
Although these results are promising, the breakage models have only been applied to the mold cavity in injection molding simulation. Both a literature review and our experimental data strongly suggest that the majority of fiber length degradation occurs in the earlier stages of injection molding, in the screw nozzle, runners, and gate. A better understanding of the melting and flow conditions upstream of the mold cavity, the simulation of which is beyond the scope of this work, is needed before these breakage models can be properly applied to the entire injection molding process. (Abstract shortened by UMI.).
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