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粉末冶金原位合成(Ti,W)C增强铁基复合材料

ZHANG Yong,WANG Yi-san,GUO Lun

Materials for Mechanical Engineering（2008）

Cited 23|Views2
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Abstract
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-αFe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1μm;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。
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Key words
wear-resisting property,in-situ synthesis,(Ti,powder metallurgy,W)C
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