[1]张 玺,何 丽,吴菲菲,等.doi: 10.3969/j.issn.1001-3849.2026.01.014回火处理对铁基合金-WC涂层耐磨性能的影响[J].电镀与精饰,2026,(01):109-115.
　ZHANG Xi,HE Li,WU Feifei,et al.Effects of tempering treatment on wear resistance of iron-based alloy-WC coating[J].Plating & Finishing,2026,(01):109-115.
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doi: 10.3969/j.issn.1001-3849.2026.01.014回火处理对铁基合金-WC涂层耐磨性能的影响()

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG]

卷:
期数:
2026年01
页码:
109-115
栏目:
出版日期:
2026-01-31

文章信息/Info

Title:
Effects of tempering treatment on wear resistance of iron-based alloy-WC coating
作者:
张 玺1; 2; 何 丽3; 吴菲菲1; 2; 4; 刘文卓1; 2; 解 芳1; 2; 翟长生5
(1. 南阳理工学院 河南省增材制造航空材料工程研究中心,河南 南阳 473004 ;2. 南阳理工学院 南阳市增材制造技术与装备重点实验室,河南 南阳 473004 ;3. 南阳理工学院 图书馆,河南 南阳 473004 ;4. 郑州轻工业大学 机电工程学院,河南 郑州 450002 ;5. 岩柏增材智造(徐州)
Author(s):
ZHANG Xi1; 2;  HE Li3;  WU Feifei1; 2; 4;  LIU Wenzhuo1; 2;  XIE Fang1; 2;  ZHAI Changsheng5
(1. Henan Province Engineering Research Center of Additive Manufacturing Aeronautical Materials, Nanyang Institute of Technology, Nanyang 473004, China; 2. Nangyang Key Laboratory of Additive Manufacturing Technology and Equipment, Nanyang Institute of Technology, Nanyang 473004, China; 3. Library, Nanyang Institute of Technology, Nanyang 473004, China; 4. College of Mechanical and Electrical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China; 5. Yanbai Intelligent Additive Manufacturing (Xuzhou) Technology Co., Ltd., Xuzhou 221116, China)
关键词:
回火处理; 铁基自熔合金; WC; 耐磨性
Keywords:
tempering treatment;  iron-based self-fusing alloy;  WC;  wear resistance
分类号:
TG156.5；TQ050.4
文献标志码:
A
摘要:
为提高45钢的耐磨性，采用火焰喷涂+真空重熔工艺在45钢表面制备了铁基自熔合金涂层，并通过添加WC颗粒和回火处理改善涂层性能。采用金相显微镜、扫描电子显微镜、能谱仪、X射线衍射仪、显微维氏硬度计、摩擦磨损试验机等仪器测试分析了各涂层的表/截面性能。结果表明，铁基自熔合金涂层主要由Cr7C3、Fe2Si等硬质相及(Fe, Cr)、(Ni, Cr, Fe)等固溶体相组成。添加WC可细化涂层枝晶结构，提高涂层显微硬度(从993.15 HV0.5提升至1 057.73 HV0.5)，降低涂层表面摩擦系数(从0.879降至0.556)，但涂层表/截面的孔洞缺陷略有增加。添加WC并经回火处理后，涂层枝晶分布更为均匀，孔洞缺陷大幅度减少，涂层显微硬度进一步提升至1 060.06 HV0.5，摩擦系数进一步降低至0.531，磨损表面平坦均匀，耐磨性能显著优于其他两种涂层。
Abstract:
In order to improve the wear resistance of 45 steel, the iron-based self-fusing alloy coating was prepared on the surface of 45 steel by flame spraying and vacuum remelting process, and the coating performance was improved by adding WC particles and tempering treatment. The surface and cross section properties of the coatings were analyzed by metallographic microscope, scanning electron microscope, energy dispersive spectrometer, X-ray diffractometer, micro Vickers hardness tester and friction and wear testing machine. The results show that the iron-based self-fusing alloy coating is mainly composed of hard phases such as Cr 7C3 and Fe 2Si and solid solution phases such as (Fe, Cr) and (Ni, Cr, Fe). The addition of WC can refine the dendrite structure of the coating. The microhardness of the coating is increased from 993.15 HV 0.5 to 1 057.73 HV0.5, and the surface friction coefficient of the coating is decreased from 0.879 to 0.556. However, the hole defects at the coating surface and cross section will increase slightly with the addition of WC. After adding WC and tempering treatment, the dendrite distribution of coating is more uniform and the hole defects are greatly reduced. The microhardness of the coating is further increased to 1060.06 HV 0.5, and the friction coefficient is further reduced to 0.531. The wear surface of the coating is flat and uniform, and the wear resistance of the coating is significantly better than that of the other two coatings

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更新日期/Last Update: 2026-01-16