Cr12MoV模具钢中性盐浴渗钛组织与性能

Chenggang Pan,Weilun Cheng,Jialin Zhou,Qingming Chang,Hongfu Wang

Special Casting & Nonferrous Alloys（2017）

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Abstract

采用TD技术在小型井式盐浴炉中对Cr12MoV钢分别进行了渗钛、铬钛共渗、铬钛复合渗中性盐浴处理.测试分析了覆层的显微组织、物相结构、厚度、硬度、耐磨性和耐腐蚀性.结果表明,Cr12MoV中性盐浴渗钛、铬钛共渗和铬钛复合渗覆层的显微硬度(HV0.05)都超过了3 000;铬钛共渗和铬钛复合渗覆层的显微硬度呈现梯度变化;渗钛、铬钛共渗和铬钛复合渗覆层的耐磨性和耐腐蚀性较基体有很大提高.

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