Pd77.5Cu6Si16.5剪切模量的光纤位移检测  

An Optic Fiber Displacement Detection Method Used in the Shearing Module of Pd77.5Cu6Si16.5

作　　者：丁么明[1] 叶嘉雄[2] 宋立新[3] 

机构地区：[1]孝感师范高等专科学校物理系,湖北孝感432100 [2]华中理工大学光电子工程系,湖北武汉430074 [3]华中师范大学物理系,湖北武汉430079

出　　处：《光电工程》1999年第4期53-57,共5页Opto-Electronic Engineering

摘　　要：提出用反射型光纤位移法对非晶体Ｐｄ７７．５Ｃｕ６Ｓｉ１６．５的剪切变模量的测试方法。讨论了测试原理，得到了测量非晶态微应变的一种新途径，分析了误差来源，对光纤测距条件进行了修正。A testing method for the shearing module of amorphous Pd77.5Cu6Si16.5 by means of reflecting type optic fiber displacement is proposed in the paper.Its testing principle is discussed and a new approach for testing microstress variation is obtained.The error sources are analyzed,the range finding conditions of optic fiber are corrected and the constraint conditions for testing are proposed.

关 键 词：剪切模量 应变测量 金刚石 光纤传感器 位移 

分 类 号：TH822[机械工程—仪器科学与技术] TN253.06[机械工程—精密仪器及机械]