电极布置方式对CFRP电阻—应变特性的影响  

The Effect of Electrode Configuration on the Characteristics of Electric Resistance-strain of CFRP Laminate

作　　者：苏小萍[1] 晏石林[2] 

机构地区：[1]武汉理工大学材料研究与测试中心,武汉430070 [2]武汉理工大学理学院,武汉430070

出　　处：《纤维复合材料》2006年第2期10-12,共3页Fiber Composites

摘　　要：用端部四电极布置方法和中间四电极布置方法对单向和正交CFRP材料在循环加载情况下的应变敏感性系数(GF)值进行了测试;结果表明:单向CFRP的GF随着电极布置方式的不同而反向,采用端部四电极布置方法其测试值为3.06、中间四电极布置方法为-4.76;研究了机理;为保证测得的电阻应变系数尽可能真实,应采用端部四电极布置方法。The gauge factors （GF） have been tested with the unidirectional and orthogonal CFRP materials by the edge four and inner four electrodes configuration methods respectively under recycling dynamic loading. The result shows that he GF of unidirectional CFRP is opposite with the electrodes configuration. The test value is 3.06 with the edge four electrodes configuration and - 4.76 with the other configuration and the mechanism is also studied. The edge four electrodes configuration should be adopted to get the real electric resistance- strain coefficient

关 键 词：CFRP复合材料 电极 GF 

分 类 号：TQ327.1[化学工程—合成树脂塑料工业]