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| 高速电弧喷涂FeMnCrAl/Ni包覆WC涂层组织与性能 | |
| 引用本文： | 罗来马,朱流,刘少光,吴玉程,郑玉春,郦剑.高速电弧喷涂FeMnCrAl/Ni包覆WC涂层组织与性能[J].材料热处理学报,2011,32(7). |
| 作者姓名： | 罗来马 朱流 刘少光 吴玉程 郑玉春 郦剑 |
| 作者单位： | 1. 合肥工业大学材料科学与工程学院,安徽合肥,230009 2. 台州学院机械工程学院,浙江台州,318000 3. 浙江科得力新材料有限公司,浙江温州,325029 4. 浙江大学材料系,浙江杭州,310027 |
| 基金项目： | 中央高校基本科研业务费专项资金(2010HGBZ0566); 浙江省优秀青年教师项目 |
| 摘 要： | 采用无需常规敏化活化的预处理常温超声波化学镀方法制备Ni包覆WC复合粉体,以其作为增强相的粉芯丝材通过高速电弧喷涂技术制备FeMnCrAl/Ni包覆WC涂层。采用光学显微分析（OM）、场发射扫描电镜分析（FE-SEM）、能谱分析（EDS）以及涂层性能测试方法,研究Ni包覆WC复合粉体对涂层组织结构及性能的影响。结果表明：Ni包覆WC复合粉体能改善涂层中各相之间的结合状态,减少涂层中氧化物和孔隙率,提高涂层与基体的结合强度和涂层的内聚强度,改善了涂层抗冲蚀磨损性能。 |
| 关 键 词： | Ni包覆WC复合粉体 FeMnCrAl/Ni包覆WC涂层 结合强度 内聚强度 抗冲蚀磨损性能 |
Microstructure and properties of FeMnCrAl/Ni coated WC coatings deposited by high velocity arc spraying |
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| LUO Lai-ma,ZHU Liu,LIU Shao-guang,WU Yu-cheng,ZHENG Yu-chun,LI Jian.Microstructure and properties of FeMnCrAl/Ni coated WC coatings deposited by high velocity arc spraying[J].Transactions of Materials and Heat Treatment,2011,32(7). | |
| Authors: | LUO Lai-ma ZHU Liu LIU Shao-guang WU Yu-cheng ZHENG Yu-chun LI Jian |
| Affiliation: | LUO Lai-ma1,ZHU Liu2,LIU Shao-guang3,WU Yu-cheng1,ZHENG Yu-chun1,LI Jian4(1.College of Materials Science and Engineering,Hefei University of Technology,Hefei 230009,China,2.Department of Mechanical Engineering,Taizhou University,Taizhou 318000,3.Zhejiang Cadre New Material Co Ltd,Wenzhou 325029,4.Department of Materials Science and Engineering,Zhejiang University,Hangzhou 310027,China) |
| Abstract: | Ni-coated WC composite powders were prepared by ultrasonic-assisted electroless plating process without conventional sensitization and activation treatments at room temperature.Ni-coated WC composite powders were used as reinforcing phase in core wires.FeMnCrAl/Ni coated WC coating was deposited on grade 20 steel substrate by high velocity arc spraying.The effect of Ni coated WC composite powders on microstructure and properties of the coatings have been studied and analyzed by optical microscopy(OM),field ... |
| Keywords: | Ni-coated WC composite powder FeMnCrAl/Ni coated WC coating bond strength cohesive strength erosion wear resistance |
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