Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报

ZHONGGUO YOUSEJINSHU XUEBAO

第9卷    第4期    总第33期    1999年12月

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文章编号:1004-0609(1999)04-0736-04
TiC/2618复合材料的再结晶过程及高温性能
龙春光    张厚安    唐果宁    彭成章

(湘潭工学院 机械工程系,湘潭411201)

摘 要: 利用退火实验、金相观察及高温拉伸实验,采用复合材料与基体合金对比的方法,对XD法(即原位反应法)制备的TiC(6%)/2618复合材料的再结晶过程和高温力学性能进行了研究。结果表明:通过XD法在2618合金中加入的硬度高而尺寸细小的TiC增强相能阻碍基体的再结晶,使其再结晶温度至少提高了50℃;同时,在高温拉伸时,TiC粒子能有效阻碍位错运动,从而提高复合材料的高温力学性能。

 

关键字: 再结晶;TiC/2618复合材料;XD法

Recrystallization process and high temperature property of TiC/2618 composites prepared by XD method
Long Chunguang, Zhang Houan, Tang Guoning, Peng Chengzhang

Department of Mechanical Engineering of Xiangtan Institute of Technology, Xiangtan 411201, P.R.China

Abstract:By anneal experiment, microstructure observation and extension experiment at elevated temperature, and by comparing the composites with the matrix, the recrystallization process and the mechanical properties of high temperatures of TiC/2618 composites prepared by the XD method were studied. The results show that the recrystallization behavior of the 2618 alloy is hindered effectively by adding the fine and hard TiC particles, and its recrystallization temperature is increased at least 50℃, and because of the hindrance of the dislocation movement by the TiC particles, the mechanical properties of high temperatures have been increased.

 

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ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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