【作者】 刘艳梅； 姜龙涛； 于杰； 陈国钦； 武高辉；

【Author】 LiuYanmei~1,Jiang Longtaox~1,YuJie~2,ChenGuoqin~1,Wu Gaohui~1 (1 Center for Metal Matrix Composites Engineering Technology, Harbin Institute of Technology,Harbin 150080; 2 Analysis and Measurement Center,Harbin Institute of Technology,Harbin 150001)

【机构】 哈尔滨工业大学金属复合材料与工程研究所； 哈尔滨工业大学测试分析中心；

【摘要】 利用石墨纤维、Ti粉和纯Al为原料,采用压力浸渗法研制了Grf/Ti-Al复合材料,通过SEM和XRD测试分析了复合材料内部的显微结构特点及相组成,采用Instron 5569力学性能测试仪对室温弯曲性能进行了测试、分析。结果表明:利用该方法制备的复合材料纤维周围无界面反应物,Ti颗粒在Al中分布均匀,随着Ti颗粒粒度的减小,室温弯曲性能呈线性趋势增长,且以11μmTi粉制备的复合材料中有TiAl₃金属间化合物生成。更多还原

【Abstract】 Graphite fiber reinforced Ti-Al composite was fabricated through infiltration reaction process of Ti,Al and graphite fiber.The microstructure and phases composition were analyzed by SEM and XRD,as well as the mechanical property was tested by Instron 5569 instrument.The result showed that there were no reactants around fibers,the flexural strength and the content of TiAl₃ increased with the size of Ti particles decreased.更多还原