上海交通大学�应变测量技术�� 孙红云 1110509105 B1105093 �� 2����目� � 录�一、 前言 ................................................................................................................................. 3 二、 电测法 ............................................................................................................................. 3 2 .1、金属电阻应变片 .............................................................................................................. 3 2 .1.1 金属电阻应变片的分类及其结构 .......................................................................... 3 2 .1.2 金属电阻应变片工作原理简介 ............................................................................. 4 2 .1.3 应变花..................................................................................................................... 5 2 .1.4 金属电阻应变片电桥电路图 ................................................................................. 6 2 .1.5 温度补偿 ............................................................................................................... 7 2 .2 半导体应变片 .................................................................................................................. 11 2 .2 .1 半导体应变片的定义及其应用 ........................................................................... 11 2 .2 .2 半导体应变片分类 ................................................................................................ 12 2 .2 .3 半导体应变片的优缺点 ....................................................................................... 13 2 .3 应变电测法的优缺点 ...................................................................................................... 13 三、 光测法 ........................................................................................................................... 14 3 .1 光弹法的分类 ..................................
