理化检验-物理分册2024，Vol.60Issue(5)：31-35,5.DOI:10.11973/lhjy-wl202405008
不同回火温度下C60模具钢硬度的涡流测试方法
Eddy current testing method for hardness of C60 mold steel at different tempering temperatures
侯怀书 1李佳俊 1张勇 2焦超飞1
作者信息
- 1. 上海应用技术大学 机械工程学院,上海 201418
- 2. 海南省锅炉压力容器与特种设备检验所,海口 570203
- 折叠
摘要
Abstract
The influence of different tempering temperatures on the microstructure,electromagnetic properties and hardness of C60 mold steel was studied.The results show that as the tempering temperature increased,the crystal structure of C60 mold steel underwent phase transformation,the direction of internal magnetic moment changed,led to changes in the electromagnetic characteristic parameters of the material,the ferrite content in the structure was increased,and the hardness of the material was decreased.By comparing the relationship between the hardness and impedance of C60 mold steel at different tempering temperatures,an electromagnetic mathematical model for testing the hardness of C60 mold steel was established.The relative error between the electromagnetic detection results and the actual test results was less than 1%,indicated that eddy current electromagnetic signals could accurately test the hardness of C60 mold steel.关键词
C60模具钢/回火温度/硬度/涡流电磁检测/显微组织Key words
C60 mold steel/tempering temperature/hardness/eddy current electromagnetic testing/microstructure分类
通用工业技术引用本文复制引用
侯怀书,李佳俊,张勇,焦超飞..不同回火温度下C60模具钢硬度的涡流测试方法[J].理化检验-物理分册,2024,60(5):31-35,5.
