牛立斌,王晓刚,樊子民

• 1:西安科技大学材料科学与工程学院

摘要(Abstract)：

以金属钨丝网和灰口铸铁为原材料,采用离心铸造技术,通过调整钨丝的中心间距和灰口铸铁熔体的浇铸温度,原位合成WC颗粒增强铁基复合材料。利用XRD、SEM以及两体销盘磨损试验机对所得复合材料复合区的物相种类、显微组织以及磨损性能进行分析研究,结果表明:随浇铸温度的提高,WC衍射峰的强度增强,反应程度增大,WC量不断增多。当钨丝中心间距为0.5 mm,浇铸温度为1400℃时,得到较理想的WC颗粒弥散分布于铁基体中的复合材料;在浇铸温度不变时,随中心距的增大,复合材料的磨损率呈现出先降低后略微升高的趋势。

关键词(KeyWords)： 复合材料;碳化钨;原位合成;磨损

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(50174046);; 陕西省科技统筹计划项目(KTCQ1-17);; 西安市技术转移工程项目(CX1261)

作者(Author): 牛立斌,王晓刚,樊子民

DOI: 10.13289/j.issn.1009-6264.2014.03.005

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