| 聚氨酯硬泡材料本构关系研究 |
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| 引用本文： | 苏益声,彭红圃,熊国红.聚氨酯硬泡材料本构关系研究[J].广西大学学报(自然科学版),2008,33(4). |
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| 作者姓名： | 苏益声 彭红圃 熊国红 |
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| 作者单位： | 1. 广西大学土木建筑工程学院,广西,南宁,530004
2. 广西建筑科学研究设计院,广西,南宁,530011 |
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| 基金项目： | 建设部研究开发项目(2007-K2-22) |
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| 摘 要： | 为了研究聚氨酯硬泡材料的应力—应变关系及泊松比,在室温条件下对聚氨酯硬泡材料进行了轴向压缩试验.结果表明:聚氨酯硬泡材料在抗压的整个过程中,都没有出现开裂现象,表明聚氨酯硬泡材料在抗压方面具有明显的延性性能.基于其应力—应变关系曲线,对其本构关系进行了拟合分析,从而得出聚氨酯硬泡材料强度极限为179.56 kPa,弹性模量为39.4 MPa.由纵横向应变,求得其泊松比为0.42.
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| 关 键 词： | 聚氨酯硬泡 弹性模量 轴向压缩 |
Study on polyurethane foam materal constitutive relationship |
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| SU Yi-sheng,PENG Hong-pu,XIONG Guo-hong.Study on polyurethane foam materal constitutive relationship[J].Journal of Guangxi University(Natural Science Edition),2008,33(4). |
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| Authors: | SU Yi-sheng PENG Hong-pu XIONG Guo-hong |
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| Abstract: | In order to investigating the stress-strain relationship and Poisson's ratio of the Polyurethane Foam material,Axial compression tests of the Polyurethane Foam material were conducted at room temperature.The result shows:the Polyurethane Foam material in the whole process of the compression,there are not cracking phenomenon that the Polyurethane Foam material has obvious ductility properties in the compression.Based on it's stress-strain relationship curves,its constitutive relation to the fitting analysis ... |
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| Keywords: | Polyurethane Foam elastic modulus axial compression |
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