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The Visco-elastic Behaviors of PVC Coated Fabrics under Different Stress and Temperatures

机译:不同应力和温度下PVC涂层织物的粘弹性行为

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The visco-elastic behaviors of coated fabrics are important for the design of membrane structure. In this paper, Ferrari 1002 is taken as the research object. The tests of creep and stress relaxation are carried out under five temperatures (23,40, 50,60, and 70 °C) and three initial stresses (4,15, and 26 kN/m), respectively. Results show that temperature and initial stress has great effects on the visco-elasticity of coated fabrics. With temperature and initial stress increasing, the visco-elastic behaviors are more obvious. The creep strain can be ignored compared with the corresponding elastic strain. After 24h, the remaining stress is less than 80% the initial stress. This paper can be references for the design of membrane structure.
机译:涂层织物的粘弹性行为对于膜结构的设计很重要。在本文中,法拉利1002被视为研究对象。蠕变和应力松弛的测试分别在五个温度(23,40,50,60和70℃)下进行,分别进行三个初始应力(4,15和26kN / m)。结果表明,温度和初始应力对涂层织物的粘弹性具有很大的影响。随着温度和初始压力的增加,粘弹性行为更加明显。与相应的弹性应变相比,可以忽略蠕变应变。 24小时后,剩余的应力小于初始压力的80%。本文可以是膜结构设计的参考。

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