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TEMPERATURE AND STRAIN RATE DEPENDENCE OF THE TENSILE YIELD STRESS OF PVC

机译:PVC拉伸屈服应力的温度和应变率相关性

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摘要

Data on the tensile yield behavior of poly(vinyl chloride) (PVC), reported in the literature, are interpreted in terms of a model involving a cooperative movement of several independent structural units, all with the same activation enthalpy. This analysis leads to physical parameters such as the internal stress, activation volume, and enthalpy, etc. These values are discussed and compared with those determined from thermodynamical considerations using stress relaxation tests and tensile curves at a constant strain rate. (C) 1996 John Wiley & Sons, Inc. [References: 20]
机译:文献中报道的关于聚(氯乙烯)(PVC)的拉伸屈服行为的数据是根据涉及几个具有相同活化焓的几个独立结构单元的协同运动的模型来解释的。该分析得出物理参数,例如内部应力,活化体积和焓等。这些值将进行讨论,并与使用恒定应力速率下的应力松弛测试和拉伸曲线从热力学考虑确定的值进行比较。 (C)1996 John Wiley&Sons,Inc. [参考:20]

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