金属热处理 ›› 2025, Vol. 50 ›› Issue (9): 257-263.DOI: 10.13251/j.issn.0254-6051.2025.09.041

• 材料研究 • 上一篇    下一篇

Y2O3对H13钢表面激光熔覆Stellite6熔覆层组织与性能的影响

周虎1, 程战1,2, 李谈2, 李宁波2, 李日榜2, 王冰2, 龙伟民1,2, 关常勇3   

  1. 1.宁波大学 机械工程与力学学院, 浙江 宁波 315211;
    2.中国机械总院集团宁波智能机床研究院有限公司, 浙江 宁波 315700;
    3.山东索力得焊材股份有限公司, 山东 肥城 271612
  • 收稿日期:2025-03-16 修回日期:2025-06-20 出版日期:2025-09-25 发布日期:2025-10-13
  • 通讯作者: 程 战,高级工程师,博士,E-mail: brazecheng@163.com
  • 作者简介:周 虎(1998—),男,硕士研究生,主要研究方向为激光熔覆,E-mail: 1078140234@qq.com。
  • 基金资助:
    宁波市“3315”人才计划2020年创新团队C类(CIE20060105);浙江省异质增材工程研究中心资助项目(CIE21010101)

Effect of Y2O3 addition on microstructure and properties of Stellite6 laser clad coating on H13 steel

Zhou Hu1, Cheng Zhan1,2, Li Tan2, Li Ningbo2, Li Ribang2, Wang Bing2, Long Weimin1,2, Guan Changyong3   

  1. 1. Faculty of Mechanical Engineering and Mechanics, Ningbo University, Ningbo Zhejiang 315211, China;
    2. China Academy of Machinery Ningbo Academy of Intelligent Machine Tool Co., Ltd., Ningbo Zhejiang 315700, China;
    3. Shandong Solid Solder Co., Ltd., Feicheng Shandong 271612, China
  • Received:2025-03-16 Revised:2025-06-20 Online:2025-09-25 Published:2025-10-13

摘要: 采用激光熔覆技术在H13钢表面制备Stellite6熔覆层和Y2O3/Stellite6复合熔覆层。利用金相显微镜、扫描电镜、维氏显微硬度计以及多功能摩擦磨损试验机等仪器,研究了最佳工艺参数下Stellite6熔覆层和Y2O3/Stellite6复合熔覆层的宏观形貌、微观组织、物相组成、显微硬度与耐磨性。结果表明:Y2O3的添加不会改变Stellite6熔覆层的组织类型和物相组成,但是可以起到细化熔覆层组织和减小Co、Cr元素偏析的作用;同时Y2O3可以降低Stellite6熔覆层的摩擦因数,提高其硬度和耐磨性。

关键词: 模具钢, 钴基合金, Y2O3, 激光熔覆, 微观组织, 耐磨性

Abstract: Stellite6 clad layer and Y2O3/Stellite6 composite clad layer were prepared on the H13 steel by laser cladding. The macroscopic morphology, microstructure, phase composition, microhardness and wear resistance of the Stellite6 clad layer and Y2O3/Stellite6 composite clad layer under the optimal process parameters were studied by means of optical microscope, scanning electron microscope, Vickers microhardness tester and multifunctional friction and wear tester. The results show that the Y2O3 does not change the microstructure and phase composition of the Stellite6 clad layer, but it can refine the microstructure of clad layer and reduce the segregation of Co and Cr. At the same time, the Y2O3 can reduce the friction coefficient of Stellite6 clad layer and improve its microhardness and wear resistance.

Key words: die steel, cobalt-based alloy, Y2O3, laser cladding, microstructure, wear resistance

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