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Durability of polymer matrix composites for automotive structural applications: A state-of-the-art review
| 题名： | Durability of polymer matrix composites for automotive structural applications: A state-of-the-art review |
| 作者： | Weitsman, Y.J.;Talreja, R.;Sun, C.T.;Simpson, W.A. Jr.;Corum, J.M.; |
| 关键词： | 36 MATERIALS SCIENCE ;33 ADVANCED PROPULSION SYSTEMS; AUTOMOTIVE INDUSTRY; COMPOSITE MATERIALS; TECHNOLOGY ASSESSMENT; AUTOMOBILES; WEIGHT; SERVICE LIFE; ULTRASONIC TESTING; RESEARCH PROGRAMS; MECHANICAL PROPERTIES; IMPACT TESTS; SORPTIVE PROPERTIES |
| 摘要： | A key unanswered question that must be addressed before polymeric composites will be widely used in automotive structural components is their known durability. Major durability issues are the effects that cyclic loadings, creep, automotive fluid environments, and low-energy impacts have on dimensional stability, strength, and stiffness throughout the required life of a composite component. This report reviews the current state of understanding in each of these areas. It also discusses the limited information that exists on one of the prime candidate materials for automotive structural applications--an isocyanurate reinforced with a continuous strand, swirl mat. Because of the key role that nondestructive evaluations must play in understanding damage development and progression, a chapter is included on ultrasonic techniques. A final chapter then gives conclusions and recommendations for research needed to resolve the various durability issues. These recommendations will help provide a sound basis for program planning for the Durability of Lightweight Composite Structures Project sponsored by the US Department of Energy in cooperation with the Automotive Composites Consortium of Chrysler, Ford, and General Motors. |
| 总页数： | 189p |
| 报告类型： | 科技报告 |
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