| 微孔发泡PP的拉伸性能及失效机理研究 |
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| 引用本文： | 何颖,龚维,何力,张纯,秦舒浩. 微孔发泡PP的拉伸性能及失效机理研究[J]. 现代机械, 2008, 0(4) |
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| 作者姓名： | 何颖 龚维 何力 张纯 秦舒浩 |
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| 作者单位： | 1. 贵州师范大学,材料与建筑工程学院,贵州,贵阳,550014
2. 国家复合改性聚合物材料工程技术研究中心,贵州,贵阳,550014 |
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| 摘 要： | 通过改变拉伸速率及拉伸应变,对微孔发泡PP材料拉伸过程中的泡孔变形情况进行了观测,分析了在不同拉伸速率下泡孔的变形过程及对力学性能的影响,并采用扫描电子显微镜(SEM),研究了微孔发泡PP材料的拉伸失效机理。
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| 关 键 词： | 微孔发泡 聚丙烯 拉伸 失效 |
Tensile Property and Failure Analysis of Microcellular Foamed Polypropylene |
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| HE Ying,GONG Wei,HE Li,ZHANG Chun,QIN Shunhao. Tensile Property and Failure Analysis of Microcellular Foamed Polypropylene[J]. Modern Machinery, 2008, 0(4) |
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| Authors: | HE Ying GONG Wei HE Li ZHANG Chun QIN Shunhao |
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| Abstract: | In this study,the tensile speed and strain of microcellular PP have been changed,the deformation of foam and the failure course of microcellular PP have been observed in situ during tension,and some microscopic observations for microcellular PP after tensile loading is performed.From these images,the effect of foam deformation on tensile property and failure mechanism of microcellular PP are discussed. |
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| Keywords: | microcellular foaming PP tension failure |
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