一、国外铂合金应变计研制使用概况电阻应变计是一种在工程和科学研究中广泛使用的测量应变的传感器。用电阻应变计进行高温应变测量的工作国外早在1944年就已开始。卅年来,随着宇航技术和核工程等部门的飞速发展,对结构热应力的测量不断提出新的要求,这就促使高温应变计等热应力测量技术有了很大的发展。五十年代 First, the use of foreign platinum alloy strain gauge development Overview Resistance strain gauge is a widely used in engineering and scientific research strain measurement sensor. The use of resistance strain gauges for high-temperature strain measurement work abroad as early as 1944 has already begun. In recent years, with the rapid development of aerospace technology and nuclear engineering departments, new requirements have been put forward on the measurement of structural thermal stress, which has led to great development of thermal stress measurement techniques such as high temperature strain gauges. Fifties