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- Title
Characterizing the strain rate sensitivity of the tensile mechanical properties of a thermoplastic composite.
- Authors
Brown, Kevin A.; Brooks, Richard; Warrior, Nicholas A.
- Abstract
Thermoplastic composites (TPCs) are being given increased consideration for application in vehicle front-end structural crash components. However, studies on the high strainrate behavior of TPCs have been relatively limited. In this study, the effect of strain rate on the tensile properties of a woven fabric commingled E-glass/polypropylene thermoplastic composite was investigated over a strain-rate range of 10−4 to 70 s−1. Quasi-static tests were conducted in an electromechanical universal test machine. A specially designed test rig in conjunction with a falling weight drop tower was used for high strain-rate characterization. The experimental results show that the elastic modulus, ultimate strength, and strain to failure increase with increasing strain rate.
- Subjects
PLASTIC testing; THERMOPLASTICS; COMPOSITE materials; SYNTHETIC gums &; resins; TENSILE architecture
- Publication
JOM: The Journal of The Minerals, Metals & Materials Society (TMS), 2009, Vol 61, Issue 1, p43
- ISSN
1047-4838
- Publication type
Article
- DOI
10.1007/s11837-009-0007-9