温度对合金钢40CrNiMoA静力学常数的影响  

Effect of Temperature on Static Constants of Alloy Steel 40CrNiMoA

作　　者：林杰俊 刘军[2] 李涛[1] 耿小亮[2] 刘嘉欣 王波[2] LIN Jiejun;LIU Jun;LI Tao;GENG Xiaoliang;LIU Jiaxin;WANG Bo(Shanghai Marine Equipment Research Institute,Shanghai 200031,China;School of Mechanics,Civil Engineering and Architecture,Northwestern Polytechnical University,Xi'an 710129,China)

机构地区：[1]上海船舶设备研究所,上海200031 [2]西北工业大学力学与土木建筑学院,陕西西安710129

出　　处：《热加工工艺》2021年第22期34-37,共4页Hot Working Technology

基　　金：装备预研重点实验室基金资助项目(6142704200405)。

摘　　要：为减小在变温环境中使用的传感器的测量误差,需要对传感器材料在变温环境条件下的静力学常数变化进行研究。通过试验的方法获得-50~100℃下40CrNiMoA的弹性模量和泊松比。结果表明:40CrNiMoA的弹性模量与泊松比均与温度变化近似呈线性关系,弹性模量随温度的上升而变小,泊松比随温度的上升而变大。In order to reduce the measurement error of the sensor used in the variable temperature environment,it is necessary to study the change of the static constant of the sensor material under variable temperature environment.The modulus of elasticity and Poisson’s ratio of 40 CrNiMoA at-50-100℃were obtained by experimental methods.The results show that the elastic modulus and Poisson’s ratio of 40 CrNiMoA are approximately linear with the change of temperature.The elastic modulus decreases with the increase of temperature,and the Poisson’s ratio increases with the increase of temperature.

关 键 词：温度 传感器 40CrNiMoA 弹性模量 泊松比 

分 类 号：TG142[一般工业技术—材料科学与工程]