30Cr13Cu4粉末不锈钢的热等静压制备与热处理

doi:10.13251/j.issn.0254-6051.2023.12.021

金属热处理 ›› 2023, Vol. 48 ›› Issue (12): 129-134.DOI: 10.13251/j.issn.0254-6051.2023.12.021

30Cr13Cu4粉末不锈钢的热等静压制备与热处理

刘文彬^1,2, 赖泽标¹, 林毅贞¹, 陈家欣³, 伍玩秋¹, 黄心开¹

1.阳江职业技术学院机电系, 广东阳江 529566;
2.材料科学与技术广东省实验室阳江分中心(阳江合金材料实验室), 广东阳江 529500;
3.广东省阳江市质量计量监督检验所, 广东阳江 529500

收稿日期:2023-07-08 修回日期:2023-11-09 出版日期:2023-12-25 发布日期:2024-01-29
作者简介:刘文彬(1971—)男,教授,博士,主要研究方向为金属粉末热等静压、粉末注射成形、不锈钢热处理等,E-mail:596608216@qq.com
基金资助:
广东省普通高校,特色创新项目(2020KTSCX346)

Hot isostatic pressing preparation and heat treatment of 30Cr13Cu4 powder stainless steel

Liu Wenbin^1,2, Lai Zebiao¹, Lin Yizhen¹, Chen Jiaxin³, Wu Wanqiu¹, Huang Xinkai¹

1. Department of Electric Engineering, Yangjiang Polytechnic, Yangjiang Guangdong 529566, China;
2. Yangjiang Branch, Guangdong Laboratory for Materials Science and Technology (Yangjiang Advanced Alloys Laboratory), Yangjiang Guangdong 529500, China;
3. Yangjiang Supervision and Inspection Institute of Quality and Metrology, Yangjiang Guangdong 529500, China

Received:2023-07-08 Revised:2023-11-09 Online:2023-12-25 Published:2024-01-29

摘要/Abstract

摘要： 通过热等静压工艺制备出30Cr13Cu4粉末不锈钢,研究了热处理工艺参数(包括时效处理温度和保温时间)对材料组织和性能的影响。结果表明,制备的含Cu不锈钢材料组织均匀,相对密度为98.5%;固溶处理后,随着时效温度的提高,基体上析出的碳化物数量增加,尺寸长大,同时还伴随析出了纳米ε-Cu相,硬度先增加随后降低;较低的时效温度和长时间保温析出的碳化物具有较大的二次硬化效果。520 ℃时效时,随着保温时间的延长,合金的硬度不断提高,保温14 h的硬度为52.1 HRC。

关键词: 热等静压, 时效处理, 马氏体不锈钢, ε-Cu相

Abstract: Cu-bearing 30Cr13Cu4 stainless steel was prepared by hot isostatic pressing, and the effects of heat treatment parameters, including aging temperature and holding time, on the microstructure and properties of the material were studied. The results show that the microstructure is uniform with a relative density of 98.5%. With the increase of aging temperature, the amount of carbide precipitated on the matrix increases, and the carbides grow up gradually, accompanied by nano-ε-Cu phase precipitates, and the hardness of the material increases first and then decreases. Aged at low temperature and long holding time, the precipitated carbide has a greater secondary hardening effect. Aged at 520 ℃, the hardness of the alloy increases with the extension of holding time, and the hardness of the alloy held for 14 h is 52.1 HRC.

Key words: hot isostatic pressing, aging treatment, martensitic stainless steel, ε-Cu phase

中图分类号:

TG146

刘文彬, 赖泽标, 林毅贞, 陈家欣, 伍玩秋, 黄心开. 30Cr13Cu4粉末不锈钢的热等静压制备与热处理[J]. 金属热处理, 2023, 48(12): 129-134.

Liu Wenbin, Lai Zebiao, Lin Yizhen, Chen Jiaxin, Wu Wanqiu, Huang Xinkai. Hot isostatic pressing preparation and heat treatment of 30Cr13Cu4 powder stainless steel[J]. Heat Treatment of Metals, 2023, 48(12): 129-134.

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30Cr13Cu4粉末不锈钢的热等静压制备与热处理

Hot isostatic pressing preparation and heat treatment of 30Cr13Cu4 powder stainless steel

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