轿车供油单元零件线膨胀系数测定试验研究  

The experimental investigation of linear expansion coefficient measurement of car fuel supplying cell parts

作　　者：麻文焱[1] 杨延俊[2] 潘发明[3] 

机构地区：[1]吉林大学机械科学与工程学院,吉林长春130025 [2]长春大学生物科学技术学院,吉林长春130022 [3]空军航空大学航空理论系,吉林长春130022

出　　处：《长春大学学报》2009年第6期3-5,共3页Journal of Changchun University

摘　　要：详细研究了电阻应变计法测量材料线膨胀系数的原理,结合轿车供油单元零件线膨胀系数测定试验,具体阐述了试验步骤及方法。结果表明应用电阻应变计法测试材料线膨胀系数是一种既简单实用又经济的测试技术。This article studies the principle of measuring coefficient of linear expansion by using resistance strain gauge and discusses the experimental steps and methods combining with the determination test of linear expansion coefficient of car fuel supply cell parts. The result shows it is a practical and economical testing technique to measure linear expansion coefficients of materials by resistance strain gauge.

关 键 词：线膨胀 电阻应变计 测量 

分 类 号：O551.3[理学—热学与物质分子运动论]