| 硼对等离子熔覆耐磨复合板的组织性能影响 |
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| 引用本文： | 田成海,李惠琪,迟静,许慧,陆峰,柴禄. 硼对等离子熔覆耐磨复合板的组织性能影响[J]. 材料热处理学报, 2011, 32(12) |
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| 作者姓名： | 田成海 李惠琪 迟静 许慧 陆峰 柴禄 |
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| 作者单位： | 1. 山东科技大学材料科学与工程学院,山东青岛,266510
2. 山东科技大学材料科学与工程学院,山东青岛266510／北京科技大学材料系,北京100083 |
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| 基金项目： | 山东省自然科学基金(2009ZRB01417) |
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| 摘 要： | 采用等离子表面熔覆技术,在Q235基体钢板上熔覆无硼以及含硼（其它粉末成分不变）的铁基合金涂层。利用光学显微镜（OM）、扫描电镜（SEM）、X射线衍射仪（XRD）、电子探针（EMPA）、显微硬度计对涂层的组织、相组成和显微硬度等进行分析。结果表明,含硼粉末熔覆涂层含有（Fe,Cr）7（C,B）3等硼化物相,含量比无硼粉末涂层的（Fe,Cr）7C3等碳化物相含量明显增多;并且产生了大量的共晶硼化物FeB以及少量的Fe2B,均匀弥散的分布在涂层中;在α-Fe中也有间隙固溶的硼;且随着粉末成分含硼量的增加,（Fe,Cr）7（C,B）3硼化物相含量增多,熔覆涂层的平均和最高显微硬度值也相应增加。
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| 关 键 词： | 等离子熔覆 晶格畸变 硼化物 共晶组织 |
Effect of boron on microstructure and performance of wear-resisting steel plate prepared by plasma cladding |
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| TIAN Cheng-hai,LI Hui-qi,,CHI Jing,XU Hui,LU Feng,CHAI Lu. Effect of boron on microstructure and performance of wear-resisting steel plate prepared by plasma cladding[J]. Transactions of Materials and Heat Treatment, 2011, 32(12) |
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| Authors: | TIAN Cheng-hai LI Hui-qi CHI Jing XU Hui LU Feng CHAI Lu |
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| Affiliation: | TIAN Cheng-hai1,LI Hui-qi1,2,CHI Jing1,XU Hui1,LU Feng1,CHAI Lu1(1.School of Materials Science and Engineering,Shandong University of Science and Technology,Qingdao 266510,china,2.Department of Materials,University of Science and Technology Beijing,Beijing 100083,china) |
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| Abstract: | Fe-based alloy coatings with and without boron were prepared on Q235 steel by plasma cladding process.Composition,phases and hardness of the coatings were investigated by means of optical microscope,scanning electron microscopy(SEM),X-ray diffraction(XRD),electron probe microanalysis(EPMA) and microhardness test.The results show that more amount of boride of(Fe,Cr)7(C,B)3 is observed in the coatings containing B compared with that of carbide in the coating without B,and a large mount of FeB and a small amou... |
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| Keywords: | plasma cladding lattice deformation borides eutectic structure |
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