金属加工（热加工）Issue(6)：17-22,6.
预处理组织对42CrMo钢离子渗氮行为的影响
The effect of pre-treatment organization on ion nitriding behavior of 42CrMo steel
摘要
Abstract
Obtaining the microstructure of different pre-treatment surfaces of 42CrMo nitrided steel through normalizing and quenching and tempering treatment,OM,EDS and microhardness tester were used to analyze and detect the samples after ion nitriding,and a portable microhardness tester was used to verify the actual production of nitrided steel.The results indicate that when there is a semi decarburized layer structure on the surface of 42CrMo nitrided steel,the microhardness test results of the sample with normal non decarburized structure on the surface are similar,and the combination of nitrogen and alloying elements in steel to form alloy nitrides dominates the strengthening effect,However,its surface brittleness level has significantly decreased,and the decrease in hardness gradient at equidistant distances from the surface is the largest.The microstructure level and matrix hardness are the main factors affecting the surface Vickers hardness after ion nitriding detection.关键词
渗氮钢/预处理组织/离子氮化/显微组织Key words
nitrided steel/preprocessing organization/ionic nitriding/microscopic organization引用本文复制引用
李子岩,许鸿翔,陈生超,何潇,郭敬强,颜世铛,赵少甫,卢金生..预处理组织对42CrMo钢离子渗氮行为的影响[J].金属加工（热加工）,2024,(6):17-22,6.基金项目
工信部高质量发展专项项目(2023ZY02004) （2023ZY02004）
郑机所(郑州)传动科技有限公司发展基金(ZJCD04202402). （郑州）
