Microstructure and Properties of Cr12MoV Steel after Neutral Salt-bath Titanizing Treatment

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

doi:10.15980/j.tzzz.2017.01.001

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Microstructure and Properties of Cr12MoV Steel after Neutral Salt-bath Titanizing Treatment
Vol. 37, Issue 1, Pages: 1-5(2017)
Published： 2017 ，
DOI： 10.15980/j.tzzz.2017.01.001

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[1]潘成刚,程伟伦,周家林,常庆明,王洪福.Cr12MoV模具钢中性盐浴渗钛组织与性能[J].特种铸造及有色合金,2017,37(01):1-5.

Pan Chenggang, Cheng Weilun, Zhou Jialin, et al. Microstructure and Properties of Cr12MoV Steel after Neutral Salt-bath Titanizing Treatment. [J]. Special Casting & Nonferrous Alloys 37(1):1-5(2017)
[1]潘成刚,程伟伦,周家林,常庆明,王洪福.Cr12MoV模具钢中性盐浴渗钛组织与性能[J].特种铸造及有色合金,2017,37(01):1-5. DOI： 10.15980/j.tzzz.2017.01.001.

Pan Chenggang, Cheng Weilun, Zhou Jialin, et al. Microstructure and Properties of Cr12MoV Steel after Neutral Salt-bath Titanizing Treatment. [J]. Special Casting & Nonferrous Alloys 37(1):1-5(2017) DOI： 10.15980/j.tzzz.2017.01.001.

摘要

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。

Abstract

The thermal diffusion processes of titanizing

chromtitanizing and compound chromizing-titanizing on Cr12 MoV steels were performed in a small pit type neutral salt bath furnace.Microstructure

phase constituent

thickness

hardness

wear resistance and corrosion resistance of the coatings prepared were tested and analyzed.The results show that surface microharness of three kinds of coatings are more than 3000HV0.05.Coating microhardness of chromtitanizing and compound chromizing-titanizing exhibits gradient change.Wear resistance and corrosion resistance of coatings after three kinds of TD treatment are improved greatly compared with those of the substrate.

关键词

Cr12MoV钢铬钛共渗渗钛铬钛复合渗中性盐

Keywords

Cr12MoVChromtitanizingTitanizingCompound Chromizing-titanizingNeutral Salt

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