| 反应烧结合成碳化钒颗粒增强铁基复合材料 |
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| 引用本文： | 江书勇,徐小玉,朱国女.反应烧结合成碳化钒颗粒增强铁基复合材料[J].热加工工艺,2010,39(2). |
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| 作者姓名： | 江书勇 徐小玉 朱国女 |
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| 作者单位： | 1. 成都电子机械高等专科学校,国家实训基地,四川,成都,61003l
2. 西安铁路局,兴平养路机械厂,陕西,兴平,71310 |
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| 摘 要： | 以铬铁粉、钼铁粉、钒铁粉、铁粉和碳黑为原料.原位反应合成了VC-Fe基复合材料,并用扫描电镜、X射线衍射等测试方法对试样进行了组织结构分析.结果表明:在真空中烧结后,反应合成的复合材料主要相组成为V_8C_7,和α-Fe;在氮气中烧结后,复合材料主要相组成为V(C,N)和γ-Fe;与VC相比,硬质相V(C,N)分布更均匀,颗粒形状趋于球形.
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| 关 键 词： | 原位合成 VC/Fe复合材料 微观组织 |
VC_p-reinforced Iron Matrix Composites Produced by Sintering Synthesis |
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| JIANG Shuyong,XU Xiaoyu,ZHU Guonü.VC_p-reinforced Iron Matrix Composites Produced by Sintering Synthesis[J].Hot Working Technology,2010,39(2). |
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| Authors: | JIANG Shuyong XU Xiaoyu ZHU Guonü |
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| Abstract: | VC/Fe composite was in-situ synthesized by sintering compacts of mixed ferrochromium,ferromolybdenum,iron and carbon black powders.The microstructure of the composite was investigated using X-ray diffraction and scanning electron microscope.The results show that the composites sintered in vacuum mainly consist of V_8C_7 particles and α-Fe.The composites sintered in nitrogen consist of V(C,N)particles and.γ-Fe.Compared with VC particles,V(C,N)particles exhibit more homogeneous distribution in the matrix and their shapes are round. |
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| Keywords: | in-situ synthesis VC/Fe composites microstructure |
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