Rapid preparation of TiC reinforced Ti6Al4V based composites by carburizing method through spark plasma sintering technique
Rapid preparation of TiC reinforced Ti6Al4V based composites by carburizing method through spark plasma sintering technique
复制标题
放电等离子烧结渗碳法快速制备TiC增强Ti6Al4V基复合材料
DOI：
10.1016/j.matdes.2014.09.008
复制
发表时间：
2015-01-01
影响因子：
8.4
通讯作者：
Chen Xingwang
中科院分区：
文献类型：
--
作者：
Hao Yanjun;Liu Jinxu;Chen Xingwang
提出了一种以机织碳纤维布为碳源，结合放电等离子烧结(SPS)技术快速制备TiC增强Ti6Al4V基复合材料的方法。该方法可在20min内获得厚度为4 mm的渗碳层。显微组织分析表明，该复合材料具有均匀分布的TiC析出物与基体界面良好的优点。力学性能研究表明，与Ti6Al4V基合金相比，TiC增强Ti6Al4V基复合材料在准静态压缩和动态压缩下具有更高的屈服强度、更高的极限压缩强度和相似的塑性。探讨了复合材料的失效机理及其对力学性能的影响。(C)2014爱思唯尔有限公司。保留所有权利。
A rapid method, using woven carbon fiber cloth as carbon supplier, combining with spark plasma sintering (SPS) technique, was proposed to fabricate TiC reinforced Ti6Ai4V based composites. By this way, carburized layer with the thickness of 4 mm can be obtained within 20 min. Microstructure analysis reveals that the composites exhibit advantage of good interfaces between the uniformly distributed TiC precipitates and matrix. Investigations on mechanical properties show that compared with Ti6Al4V matrix alloy, the TiC reinforced Ti6Al4V based composites exhibits higher yield strength, higher ultimate compressive strength, and similar ductility under both quasi-static compression and dynamic compression. The failure mechanisms of the composites and its influence on mechanical properties were discussed. (C) 2014 Elsevier Ltd. All rights reserved.