| 直流横向磁场作用下钴基合金的组织及性能 |
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| 引用本文： | 刘长军,刘政军,苏明,苏允海.直流横向磁场作用下钴基合金的组织及性能[J].焊接学报,2011,32(3):53-56,60. |
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| 作者姓名： | 刘长军 刘政军 苏明 苏允海 |
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| 作者单位： | 1. 沈阳工业大学,化工装备学院,沈阳,111003
2. 沈阳工业大学,材料科学与工程学院,沈阳,110870 |
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| 基金项目： | 辽宁省自然科学基金资助项目 |
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| 摘 要： | 为了提高堆焊层的性能,研究直流横向磁场对等离子弧堆焊层的组织和性能的影响.在低碳钢表面进行钴基合金粉末等离子弧堆焊时施加直流横向磁场,焊后对堆焊层进行硬度、磨损、显微组织以及X射线衍射分析,并系统地分析直流横向磁场对等离子堆焊层硬度和耐磨性的影响规律.结果表明,施加磁场时堆焊层性能比无磁场时堆焊层性能好.当堆焊电流为1...
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| 关 键 词： | 直流横向磁场 钴基合金 等离子弧堆焊 力学性能 显微组织 |
| 收稿时间： | 2009/10/12 0:00:00 |
Microstructures and mechanical properties of Co-based surfacing alloys under DC transverse magnetic field |
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| LIU Changjun,LIU Zhengjun,SU Ming and SU Yunhai.Microstructures and mechanical properties of Co-based surfacing alloys under DC transverse magnetic field[J].Transactions of The China Welding Institution,2011,32(3):53-56,60. |
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| Authors: | LIU Changjun LIU Zhengjun SU Ming and SU Yunhai |
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| Affiliation: | School of Chemical Equipment, Shenyang University of Technology, Liaoyang, Liaoning 111003, China,School of Material Science and Engineering, Shenyang University of Technology, Shenyang 110870, China,School of Material Science and Engineering, Shenyang University of Technology, Shenyang 110870, China and School of Material Science and Engineering, Shenyang University of Technology, Shenyang 110870, China |
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| Abstract: | In order to improve the properties of surfacing layers,study the influence of surfacing current and magnetic field current on properties and microstructure of surfacing layer,DC transverse magnetic field was applied when Co-based alloy was welded on the surface of low-carbon steel by plasma arc surfacing.The hardness,wear resistance,microstructure and phase constitution of the surfacing layers were investigated via hardness and wear tests as well as SEM and XRD analysis.Furthermore,the influence of surfacing current and magnetic field current on the hardness and wear resistance of the surfacing layer were studied.The results showed that the properties of surfacing layers with introducing DC transverse magnetic field were better than that without magnetic field.When the surface current was 160 A and the magnetic field current was 3 A,the optimal effect of grain refining could be gained.The optimal hardness and wear extent have been obtained at the same time.Furthermore,the DC transverse magnetic field can suppress the"arc blow"and improve the stability of surface process. |
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| Keywords: | DC transverse magnetic field Co-based alloy plasma arc surfacing mechanical property microstructure |
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