45钢表面双辉等离子渗铝处理

doi:10.13251/j.issn.0254-6051.2024.09.047

金属热处理 ›› 2024, Vol. 49 ›› Issue (9): 280-283.DOI: 10.13251/j.issn.0254-6051.2024.09.047

45钢表面双辉等离子渗铝处理

刘海量^1,2,3, 徐自立^1,2,3, 刘洋^1,2,3, 胡嘉彬^1,2,3

1.武汉纺织大学机械工程与自动化学院, 湖北武汉 430200;
2.湖北省数字化纺织装备重点实验室, 湖北武汉 430200;
3.三维纺织湖北省工程研究中心, 湖北武汉 430200

收稿日期:2024-03-18 修回日期:2024-07-27 出版日期:2024-09-25 发布日期:2024-10-29
通讯作者: 徐自立,教授,博士,E-mail:154161690@qq.com
作者简介:刘海量(1998—),男,研究员级高级工程师,硕士,主要研究方向为先进航空材料热处理技术,E-mail: shijianli2010@126.com。

Double-flare plasma aluminizing on 45 steel surface

Liu Hailiang^1,2,3, Xu Zili^1,2,3, Liu Yang^1,2,3, Hu Jiabin^1,2,3

1. College of Mechanical Engineering and automation, Wuhan Textile University, Wuhan Hubei 430200, China;
2. Hubei Provincial Key Laboratory of Digital Textile Equipment, Wuhan Hubei 430200, China;
3. Three Dimensional Textile Hubei Engineering Research Center, Wuhan Hubei 430200, China

Received:2024-03-18 Revised:2024-07-27 Online:2024-09-25 Published:2024-10-29

摘要/Abstract

摘要： 采用双辉等离子渗铝技术和碳氮共渗技术分别在45钢表面制备出Fe-Al-N和Fe-C-N合金层。分析两合金层表面显微硬度以及物相组成,并观察表面的微观结构、元素分布。结果表明,45钢表面形成的Fe-Al-N合金层表面硬度高达750.27 HV0.1,远高于Fe-C-N合金层表面硬度,是基体的3~4倍;两种合金层横截面硬度分布曲线都呈梯度分布;Fe-Al-N合金层表面更加均匀、致密,形成了较好的化合物聚集现象,表现出更好的耐磨性。

关键词: 45钢, 渗铝, 耐磨性, Fe-Al-N合金层, 硬度

Abstract: Fe-Al-N and Fe-C-N alloy layes were prepared on the surface of 45 steel by double-glow plasma aluminizing technology and plasma carbonitriding technology, respectively. The surface microhardness and phase composition of the two alloy layers were analyzed, and the microstructure of the surface, element distribution were observed. The results show that the surface hardness of the Fe-Al-N alloy layer formed on the surface of the 45 steel is as high as 750.27 HV0.1, which is much higher than the surface hardness of the Fe-C-N alloy layer, and it is 3-4 times of that of the matrix. The cross-sectional hardness distribution curves of the two alloy layers are gradient; the surface of the Fe-Al-N alloy layer is more even and dense, and the compound aggregation phenomenon is formed, showing better wear resistance.

Key words: 45 steel, aluminizing, wear resistance, Fe-Al-N alloy layer, hardness

中图分类号:

TG146

刘海量, 徐自立, 刘洋, 胡嘉彬. 45钢表面双辉等离子渗铝处理[J]. 金属热处理, 2024, 49(9): 280-283.

Liu Hailiang, Xu Zili, Liu Yang, Hu Jiabin. Double-flare plasma aluminizing on 45 steel surface[J]. Heat Treatment of Metals, 2024, 49(9): 280-283.

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45钢表面双辉等离子渗铝处理

Double-flare plasma aluminizing on 45 steel surface

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