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    张勇, 王一三, 郭伦. 粉末冶金原位合成(Ti,W)C增强铁基复合材料[J]. 机械工程材料, 2008, 32(1): 40-43.
    引用本文: 张勇, 王一三, 郭伦. 粉末冶金原位合成(Ti,W)C增强铁基复合材料[J]. 机械工程材料, 2008, 32(1): 40-43.
    shu
    ZHANG Yong, WANG Yi-san, GUO Lun. In-situ Synthesis of (Ti,W)C Reinforced Iron Matrix Composites by Powder Metallurgy[J]. Materials and Mechanical Engineering, 2008, 32(1): 40-43.
    Citation: ZHANG Yong, WANG Yi-san, GUO Lun. In-situ Synthesis of (Ti,W)C Reinforced Iron Matrix Composites by Powder Metallurgy[J]. Materials and Mechanical Engineering, 2008, 32(1): 40-43.
    shu

    粉末冶金原位合成(Ti,W)C增强铁基复合材料

    In-situ Synthesis of (Ti,W)C Reinforced Iron Matrix Composites by Powder Metallurgy

      摘要
    • 摘要: 以钛粉、铁粉、钨铁粉、石墨等为原料,原位烧结合成了35%(Ti,W)C/Fe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:复合材料的相组成为α-Fe固溶体、Fe3W3C、(Ti,W)C和少量TiC;原位合成的硬质相(Ti,W)C颗粒形状多为球形,粒径小于1 μm;该复合材料的洛氏硬度达到59 HRC;磨损试验显示其耐磨性是高铬铸铁的5～6倍.

       

      Abstract: (Ti,W)C/Fe composite was in-situ synthesized by sintering compact of mixed titanium ,iron ,ferrotungsten and carbon powders .The microstructure of composite was analyzed by scanning electron microscopy and X-ray diffraction.The results show that the composite consiste of α-Fe,Fe3W3C,(Ti,W)C and TiC.(Ti,W)C particles Are spherical with the size below 1 μm.The Rockwell hardness of the composite is 59 HRC.The wear-resisting property of the composite is 5-6 times of high-chromium cast-iron.

       

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