| 软质聚氨酯泡沫的冲击力学性能EI |
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| 引用本文： | 郑亮,廖功雄,徐亚娟,曲敏杰,蹇锡高. 软质聚氨酯泡沫的冲击力学性能EI[J]. 高分子材料科学与工程, 2009, 0(2): 48-51 |
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| 作者姓名： | 郑亮 廖功雄 徐亚娟 曲敏杰 蹇锡高 |
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| 作者单位： | 大连理工大学高分子材料系;辽宁省高性能树脂工程技术中心;大连工业大学材料科学与工程系; |
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| 基金项目： | 国家863计划(2003AA33g030) |
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| 摘 要： | 采用岛津试验机与改进的分离式霍普金森压杆(SHPB)试验装置,得到了两种分别用作汽车坐垫和靠垫材料的软质聚氨酯泡沫在不同应变率下的应力应变曲线。实验结果表明,材料强度对密度和应变率敏感。动态条件下,泡沫密实后,横向惯性效应导致泡沫被拉坏。而准静态变形达到80%时,卸载后变形仍能回复。评价两种泡沫的吸能特性时,发现两种密度的海绵动态吸能性能比静态时要差。最后对坐垫泡沫的厚度进行了优化设计。
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| 关 键 词： | 软质聚氨酯泡沫 分离式霍普金森压杆 力学性能 吸能 |
Properties of Continuous Glass Fiber Composites Based on PPESK Blends |
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| ZHENG Liang,LIAO Gong-xiong,,XU Ya-juan,QU Min-jie,JIAN Xi-gao. Properties of Continuous Glass Fiber Composites Based on PPESK Blends[J]. Polymer Materials Science & Engineering, 2009, 0(2): 48-51 |
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| Authors: | ZHENG Liang LIAO Gong-xiong XU Ya-juan QU Min-jie JIAN Xi-gao |
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| Affiliation: | 1.Department of Polymer Science;Dalian University of Technology;Dalian 116012;China;2.Liaoning Researcher Center of High Performance Resin Engineering and Technology;3.Department of Material Science and Engineering;Dalian Polytechnic University;Dalian 116034;China |
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| Abstract: | Two well-known high performance thermoplastics,polyetherimide(PEI) and polyethersulfone(PES) were introduced to PPESK in order to reduce melting viscosity of PPESK and to improve the properties of composites.The effect of addition of PEI and PES on the resultant composites was studied.A series of unidirectional composites were made of PPESK and its PEI and PES blends as matrix and continuous glass fiber as reinforcement.The solution prepregging method and hot-press molding method were used in preparation of... |
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| Keywords: | PPESK glass fiber blending composites mechanical property |
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