碳对接触反应法制备TiC-Al2O3P/Al复合材料组织的影响Effect of carbon on microstructure of TiC-Al2O3P/Al composites prepared by contact reaction technique
张瑞英,史志铭,李红霞
摘要(Abstract):
以Al、TiO2、C为原材料,用接触反应法制备了TiC-Al2O3P/Al复合材料,采用XRD和SEM手段测定了材料的相组成、组织形貌及相分布,分析了碳含量对组织的影响。试验结果表明,该复合材料主要由分布于Al基体中的球状或近球状的TiC颗粒、不规则的Al2O3颗粒和少量的TiAl3组成,且随含碳量的增加,TiAl3减少;当C和TiO2比超过1.5后,TiAl3基本消失,但出现TiC2相。
关键词(KeyWords): 铝基复合材料;接触反应法;显微组织;碳
基金项目(Foundation): 内蒙古自然科学基金重大项目(2009ZD05)
作者(Author): 张瑞英,史志铭,李红霞
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