| WC颗粒增强高铬钢基表层复合材料的制备和组织 |
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| 引用本文： | 刘旋,丁克伟.WC颗粒增强高铬钢基表层复合材料的制备和组织[J].特种铸造及有色合金,2012,32(4):367-369. |
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| 作者姓名： | 刘旋 丁克伟 |
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| 作者单位： | 安徽建筑工业学院建筑结构与地下工程实验室 |
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| 基金项目： | 安徽建筑工业学院青年专项经费资助项目 |
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| 摘 要： | 采用真空实型铸渗法(V-EPC)工艺,成功制备了以高铬钢为基材,WC颗粒为增强颗粒的表层复合材料。结果表明,用含有WC颗粒和高碳铬铁颗粒的预置块制备的不同WC颗粒体积分数的高铬钢基表层复合材料,WC颗粒均匀分布于复合层中,复合层在颗粒熔化、元素扩散互溶、金属液渗入的共同作用下形成由WC、W2C共晶组织,未溶解的高碳铬铁颗粒和各种析出的碳化物组成的组织。
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| 关 键 词： | 真空实型铸渗法 WC颗粒 表层复合材料 高铬钢 |
Preparation and Microstructure of WC Particles Reinforced High Chrome Steel Matrix Surface Composites |
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| Liu Xuan
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Ding Kewei.Preparation and Microstructure of WC Particles Reinforced High Chrome Steel Matrix Surface Composites[J].Special Casting & Nonferrous Alloys,2012,32(4):367-369. |
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| Authors: | Liu Xuan Ding Kewei |
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| Affiliation: | (Laboratory of Architecture Structure and Sub-ground Engineering,Anhui University of Architecture) |
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| Abstract: | WC-particle reinforced high chromium steel matrix surface composites were prepared by V-EPC(vacuum-expandable pattern casting) infiltration.The results show that WC particles are uniformly distributed into the compound layer of high Cr steel composites with different volume of WC particles.Through the co-action of particle melting,element diffusion and infiltration of liquid steel,the microstructure of the composites prepared is composed of eutectic structure of WC and W2C,un-dissolved high Cr steel particle and precipitated carbide phase. |
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| Keywords: | Vacuum-Evaporative Pattern Casting(V-EPC) WC Particles Surface Composites High Chromium Steel |
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