The magnetic density of weldments was detected and analyzed in different heattreatment conditions by metal magnetic memory technology.
用金属磁记忆检测技术，对不同热处理状态下焊接件的磁场强度进行了检测和分析。
2
Shape memory and supper elasticity properties of the Cu-Al-Ni alloys prepared by ohno continuous casting process were tested after different heattreatment, and the mechanisms were analyzed.