激光功率对FeCoCrNiAl0.3Mo0.1合金涂层质量及组织的影响

doi:10.13251/j.issn.0254-6051.2024.10.040

金属热处理 ›› 2024, Vol. 49 ›› Issue (10): 246-250.DOI: 10.13251/j.issn.0254-6051.2024.10.040

激光功率对FeCoCrNiAl_0.3Mo_0.1合金涂层质量及组织的影响

赵勇桃^1,2, 胡雨晴¹, 胡帅^1,3, 吴银虎¹, 杨泽华⁴, 王瑞¹

1.内蒙古科技大学材料科学与工程学院, 内蒙古包头 014010;
2.内蒙古自治区新金属材料重点实验室, 内蒙古包头 014010;
3.中铁山桥集团有限公司辙叉分公司, 河北秦皇岛 066205;
4.北方重工业集团有限公司工艺材料技术研究所, 内蒙古包头 014030

收稿日期:2024-03-27 修回日期:2024-07-17 出版日期:2024-11-28 发布日期:2024-11-28
作者简介:赵勇桃(1977—),女,教授,博士,主要研究方向为金属材料组织转变及热加工工艺,E-mail: zty0011@126.con
基金资助:
内蒙古自治区自然科学基金(2021MS05034)

Effect of laser cladding power on quality and microstructure of FeCoCrNiAl_0.3Mo_0.1 alloy coating

Zhao Yongtao^1,2, Hu Yuqing¹, Hu Shuai^1,3, Wu Yinhu¹, Yang Zehua⁴, Wang Rui¹

1. College of Materials Science and Engineering, Inner Mongolia University of Science and Technology, Baotou Inner Mongolia 014010, China;
2. Inner Mongolia Key Laboratory of New Metal Material, Baotou Inner Mongolia 014010, China;
3. Rutting Forks Branch, China Railway Shanqiao Group Corporation, Qinhuangdao Hebei 066205, China;
4. Institute of Process Materials Technology, North Heavy Industries Group Co., Baotou Inner Mongolia 014030, China

Received:2024-03-27 Revised:2024-07-17 Online:2024-11-28 Published:2024-11-28

摘要/Abstract

摘要： 采用激光熔覆技术在304不锈钢表面制备得到FeCoCrNiAl_0.3Mo_0.1合金涂层,研究了激光功率(800、1000、1200 W)对涂层质量及组织的影响。结果表明,800、1000 W激光功率下,涂层有裂纹、气孔缺陷,1200 W下涂层未发现明显缺陷。不同激光功率下涂层组织均为柱状枝晶,但经比较分析发现1200 W下的组织更细小均匀;对涂层进行成分分析发现,Fe含量远高于名义值,Al含量远低于名义值,涂层由底部至顶部Fe、Cr元素平均含量逐渐减少,其他元素含量逐渐增多,且晶间Mo、Cr含量高于晶内。

关键词: 激光功率, FeCoCrNiAl_0.3Mo_0.1合金涂层, 质量, 组织

Abstract: FeCoCrNiAl_0.3Mo_0.1 alloy coating was prepared on the surface of 304 stainless steel, and the effect of laser power (800, 1000, 1200 W) on the coating quality and microstructure was studied. The results show that the coating prepared at 800 W and 1000 W laser power has cracks and stoma defects, and no obvious defect is found at 1200 W. The coating structure at different laser powers is columnar, but after comparative analysis, the microstructure of the coating at 1200 W is finer and more uniform. The composition analysis of the coating finds that the Fe content is much higher than the nominal value, but the Al content is far lower than the nominal value. From bottom to top, the average content of Fe and Cr gradually decreases, and the content of other elements gradually increases. It is also found that the content of Mo and Cr in intergranular is higher than that in intragranular.

Key words: laser power, FeCoCrNiAl_0.3Mo_0.1 alloy coating, quality, microstructure

中图分类号:

TG174.4

赵勇桃, 胡雨晴, 胡帅, 吴银虎, 杨泽华, 王瑞. 激光功率对FeCoCrNiAl_0.3Mo_0.1合金涂层质量及组织的影响[J]. 金属热处理, 2024, 49(10): 246-250.

Zhao Yongtao, Hu Yuqing, Hu Shuai, Wu Yinhu, Yang Zehua, Wang Rui. Effect of laser cladding power on quality and microstructure of FeCoCrNiAl_0.3Mo_0.1 alloy coating[J]. Heat Treatment of Metals, 2024, 49(10): 246-250.

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激光功率对FeCoCrNiAl_0.3Mo_0.1合金涂层质量及组织的影响

Effect of laser cladding power on quality and microstructure of FeCoCrNiAl_0.3Mo_0.1 alloy coating

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激光功率对FeCoCrNiAl0.3Mo0.1合金涂层质量及组织的影响

Effect of laser cladding power on quality and microstructure of FeCoCrNiAl0.3Mo0.1 alloy coating

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激光功率对FeCoCrNiAl_0.3Mo_0.1合金涂层质量及组织的影响

Effect of laser cladding power on quality and microstructure of FeCoCrNiAl_0.3Mo_0.1 alloy coating