Microstructure of high temperature Ti-based brazing alloys and wettability on SiC ceramic

被引：32
作者：
Li, Jiake [1 ,2 ]
Liu, Lei [1 ]
Wu, Yating [1 ]
Li, Zhibin [1 ]
Zhang, Wenlong [1 ]
Hu, Wenbin [1 ]
机构：
[1] Shanghai Jiao Tong Univ, State Key Lab Met Matrix Composites, Shanghai 200240, Peoples R China
[2] Jingdezhen Ceram Inst, Sch Mat Sci & Engn, Jingdezhen 333001, Peoples R China
来源：
MATERIALS & DESIGN | 2009年 / 30卷 / 02期
关键词：
Non-ferrous metals and alloys (A); Chemical reactions (F); Microstructure (F);
D O I：
10.1016/j.matdes.2008.04.070
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ti-based brazing alloys were prepared by the non-consumable arc-melting technology. The wettability behavior of the brazing alloys on silicon carbide (SiC) was investigated by means of sessile drop method in vacuum at 1400 degrees C for 10 min. The brazing alloys of 91.5Ti-8.5Si (wt.%), 87.1Ti-8.1Si-4.8Cu (wt.%) and 83.2Ti-7.7Si-9.1Cu (wt.%) exhibit good wettability on SiC plate, but bad cohesion with SiC after cooling. However, the brazing alloys of 22Ti-78Si (wt.%) and 21Ti-74.2Si-4.8Cu (wt.%) exhibit both good wettability and cohesion with SiC after cooling. Microstructure, phase composition of the brazing alloys and the interface between the brazing alloys and SiC were investigated by using SEM coupled with EDS and XRD, respectively. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：275 / 279
页数：5
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