试样形状对轿车地毯拉伸性能的影响  

作　　者：胡义兵[1] 郭志英[1] 龚杜弟[1] 

机构地区：[1]上海交通大学塑性成形工程系,上海200030

出　　处：《模具技术》2005年第1期35-38,44,共5页Die and Mould Technology

摘　　要：对轿车地毯在常温下进行拉伸试验,主要从拉伸试样的断裂力学性能、试样应力—应变曲线、试样断裂特征这三方面进行了研究,研究了试样形状对轿车地毯拉伸性能的影响,为研究轿车地毯奠定了一定的基础。Tensile experiment of automobile carpet is carried out in room temperature.The fracture property,stress-strain curve and fracture character of the tensile specimen are studied mainly. The influence of tensile specimen shape upon tensile property of the carpet is studied which is a base for further research into the automotive carpet.

关 键 词：拉伸 试样形状 应力集中 断裂 力学性能 

分 类 号：TG356[金属学及工艺—金属压力加工]