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聚氨酯泡沫塑料在应力波加载下的压缩力学性能研究
引用本文:卢子兴,田常津.聚氨酯泡沫塑料在应力波加载下的压缩力学性能研究[J].爆炸与冲击,1995,15(4):382-388.
作者姓名:卢子兴  田常津
作者单位:北京大学力学系,中国工程物理研究院结构力学所
摘    要:通过SHPB冲击实验装置研究了硬质聚氨酯泡沫塑料在应力波加载下的动态力学性能,得到了泡沫塑料在较高应变率下的应力-应变曲线;确定了泡沫塑料的动态屈服强度和动态弹性模量等力学参数,并同落锤冲击实验及准静态压缩实验的结果进行了比较。

关 键 词:泡沫塑料  应力波  力学性能

INVESTIGATION OF THE MECHANICAL PROPERTIES OF COMPRESSION ON POLYURETHANE RIGID(PUB)FOAM PLASTICS UNDER STRESS WAVE LOADING
Abstract:The dynamic mechanical properties of PUB foam plastics under stress wave load-ing have been investigated by SHPB experimental set.The stress-strain curves of PUR foam plas-tics are obtained at higher strain rate. The dynamic yield strength and moduli are also determined. At the same time,the experimental results are compared with the ones of Drop Testing and quasi-static compression experiment.
Keywords:PUR foam plastics  stress wave  mechanical properties  
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