MICROSTRUCTURAL STUDY OF THE BRAZED JOINT BETWEEN ALUMINA AND TI-6AL-4V ALLOY

被引:38
作者
BARBIER, F
PEYTOUR, C
REVCOLEVSCHI, A
机构
[1] Laboratoire de Chimie des Solides, Unité associée, Centre National de la Recherche Scientifique, Université Paris‐Sud, Orsay
关键词
bonding; brazing; interfaces; joints; microstructure;
D O I
10.1111/j.1151-2916.1990.tb09799.x
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Alumina was joined to Ti‐6AI‐4V alloy by active brazing. High reactivity between the Cu‐40Ag‐5Ti braze alloy and these materials led to the formation of interfacial reaction products. These products were characterized by transmission electron microscopy and electron microprobe analysis. A continuous layer, identified as Cu2(Ti, Al)4O, was formed at the braze/Al2O3 interface. In addition, a series of Cu‐Ti intermetallic phases ((Ti,Al)3Cu, Ti2Cu, TiCu, Ti3Cu4, and β‐Ti(Cu, Al)4), starting from the Ti‐6Al‐4V base metal was observed. Copyright © 1990, Wiley Blackwell. All rights reserved
引用
收藏
页码:1582 / 1586
页数:5
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