J9gwLHSd4dmTS27H5kMDoxOjBrO-aTQf
Lecture; Process/Workflow; Technical Features; Tips and Tricks; Case Studies; Simulation    MA5600-P
Failure Analysis of Fiber Reinforced Injection Moldings Using a Composite Lamina Failure Approach
Robert Sherman, Nanda Santhanam
J9gwLHSd4dmTS27H5kMDoxOjBrO-aTQf
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Description

This class will demonstrate how the use of experimental test data of several tensile specimens of varying fiber orientation can help determine an adequate failure criteria for a given reinforced thermoplastic. This criteria can then be utilized to better predict failure of complex part designs with widely varying fiber orientations. Data for a 30% glass-reinforced PEEK material will be shown as an example of this approach to orthotropic failure analysis.

Key Learnings

  • Better predict the strength of any fiber-reinforced injection molded part design
  • Demonstrate the importance of orthotropic structural analysis for good design
  • Demonstrate how the lamina failure approach plays a key role in predicting injection-molded strength
  • Show the need for further structural research of fiber-reinforced materials

Speakers


 Robert Sherman
Robert Sherman
Robert (Bob) Sherman is the senior computer-aided engineering (CAE) analyst for RTP Company at their headquarters in Winona, Minnesota. In 1999, Bob started the CAE group, which is utilized as a support service for RTP company customers. Bob has a BS in engineering from Purdue University, and a solid background in both structural and injection molding analysis. His industry experience includes six years with Bell Helicopter Textron (Ft. Worth, Texas), followed by nine years with McDonnell Douglas Astronautics Company (St. Louis, Missouri). From there, Bob took a job with Moldflow Corporation (Kalamazoo, Michigan) as a customer support engineer, and quickly became the North American support manager. Bob also worked five years for Bluegrass Plastics Engineering, a molding analysis consulting firm. In addition to publishing several papers and presenting at several Moldflow® User Group meetings, Bob is one of the co-authors of <em>Successful Injection Molding</em>.

 Nanda Santhanam
Nanda Santhanam
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