姚金鑫,程从前,曹铁山,赵杰

• 1:大连理工大学材料科学与工程学院

摘要(Abstract)：

通过建立仿真模型并设计验证实验，综合分析了表面粗糙度、波纹度、几何曲率及其复合作用对渗碳的影响。结果表明：渗碳工件的碳含量随着距表面距离的增加而逐渐降低。粗糙度和波纹度的增大会增加表面渗碳层的不均匀性；几何曲率由负到正不断增加，会导致渗层厚度不断变厚。粗糙度与几何曲率复合作用时，曲率增加和粗糙度的增大会使得渗碳层厚度也逐渐增加；且随着复合曲率增加，粗糙度对正负曲率处渗层厚度差值的影响增大。对16Cr3NiWMoVNbE航空齿轮钢的渗碳淬火实验结果表明：从表面到芯部组织依次为含有块状碳化物的针状马氏体区，针状马氏体和板条马氏体混合区以及板条马氏体区，且渗碳层厚度与模拟结果接近。

关键词(KeyWords)： 渗碳;表面几何形貌;仿真

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 姚金鑫,程从前,曹铁山,赵杰

DOI: 10.13289/j.issn.1009-6264.2022-0017

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