原位冶金反应碳化钨增强铁基复合材料Fe-based composite reinforced with WC particles prepared by in-situ metallurgy reaction
柴禄,李惠琪,姬强,许慧,陆峰,王梅,田成海
摘要(Abstract):
利用自耗电极直流电弧原位冶金的方法,获得了碳化钨增强铁基复合材料。采用SEM、EDS、XRD等研究了复合材料的组织,利用显微硬度计测试了其显微硬度。结果表明:W在富C的过热液相中混合扩散,发生原位冶金反应生成WCp。WCp和鱼骨状(Fe,W)6C组织弥散分布在由Fe、Cr、Ni、Mn、C等元素组成的粘结相中,这种强硬质相、辅助硬质相与基体的弥散分布和交叠组合是获得良好力学性能的基础。
关键词(KeyWords): 自耗电极;原位冶金;碳化钨;结晶;复合材料
基金项目(Foundation): 山东省自然科学基金计划(2009ZRB01417)
作者(Author): 柴禄,李惠琪,姬强,许慧,陆峰,王梅,田成海
DOI: 10.13289/j.issn.1009-6264.2012.s1.007
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