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FRACTURE BEHAVIOR OF HEAT-SEALED PP FILMS UNDER STATIC AND CREEP LOADINGS

机译:静态和蠕变载荷下热封PP薄膜的断裂行为

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摘要

Effects of heat-sealing temperature and film direction on mechanical properties and fracture behavior of heat-sealed PP films were investigated. Peel tests were conducted under static and creep loadings. 170℃ heat-sealing specimens were slightly higher than that of the other specimens. Under creep loadings, 170℃ heat-sealing specimens in the transverse direction showed the highest creep property. The fracture mode of the specimens could be divided into 3 types.
机译:研究了热封温度和薄膜方向对热封PP薄膜力学性能和断裂行为的影响。剥离试验是在静态和蠕变载荷下进行的。 170℃热封试样比其他试样略高。在蠕变载荷下,横向的170℃热封试件表现出最高的蠕变性能。试样的断裂方式可分为3种。

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