| 添加碳化钨铁基合金等离子弧熔覆复合涂层的组织分析 |
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| 引用本文： | 卢金斌,张照军,宁久超,刘红涛.添加碳化钨铁基合金等离子弧熔覆复合涂层的组织分析[J].焊接学报,2009,30(9):65-68. |
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| 作者姓名： | 卢金斌 张照军 宁久超 刘红涛 |
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| 作者单位： | 中原工学院材料与化工学院,郑州,450007 |
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| 基金项目： | 河南省基础与前沿技术研究资助项目 |
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| 摘 要： | 采用预置法等离子弧熔覆技术,在Q235钢基体表面熔覆了添加50%镍包WC(碳化钨)的Fe-Cr-B-Si合金粉末,制备了具有冶金结合的复合涂层.采用SEM,EDS,XRD等研究了涂层的组织,利用显微硬度计测试了涂层的显微硬度分布.结果表明,涂层与基体为冶金结合,其中部分WC分解,剩余WC主要分布在涂层的中、底部并与涂层结合良好,最后形成以γ-Fe为基,大颗粒WC,枝晶Fe3W3C3Fe6W6C,W2C,W2C等增强的复合涂层,涂层的显微硬度可达900～1100 HV0.2.
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| 关 键 词： | 等离子弧熔覆 组织 显微硬度 碳化钨 |
| 收稿时间： | 2008/12/29 0:00:00 |
Microstructure analysis on composite coating of Fe-based alloy added WC by plasma cladding |
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| LU Jinbin,ZHANG Zhaojun,NING Jiuchao and LIU Hongtao.Microstructure analysis on composite coating of Fe-based alloy added WC by plasma cladding[J].Transactions of The China Welding Institution,2009,30(9):65-68. |
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| Authors: | LU Jinbin ZHANG Zhaojun NING Jiuchao and LIU Hongtao |
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| Affiliation: | Department of Material and Chemical Engineering, Zhongyuan University of Technology, Zhengzhou 450007, China,Department of Material and Chemical Engineering, Zhongyuan University of Technology, Zhengzhou 450007, China,Department of Material and Chemical Engineering, Zhongyuan University of Technology, Zhengzhou 450007, China and Department of Material and Chemical Engineering, Zhongyuan University of Technology, Zhengzhou 450007, China |
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| Abstract: | |
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| Keywords: | plasma cladding microstructure microhardness WC |
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