Effect of microstructure on high temperature properties of in situ synthesized (TiB+La2O3)/Ti composite

被引：21

作者：

Li, Jiuxiao ^{[1
]}

Wang, Liqiang ^{[1
]}

Qin, Lining ^{[1
]}

Chen, Yifei ^{[1
]}

Lu, Weijie ^{[1
]}

Zhang, Di ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, State Key Lab Met Matrix Composites, Shanghai 200240, Peoples R China

来源：

MATERIALS CHARACTERIZATION | 2012年 / 66卷

关键词：

Titanium matrix composites (TMCs); Heat treatment; Microstructure; Tensile properties; Creep properties; TITANIUM MATRIX COMPOSITES; STEADY-STATE CREEP; TI-6AL-2CR-2MO-2SN-2ZR ALLOY; VOLUME FRACTION; BEHAVIOR; TI-6AL-4V; PHASE; MMC; DEFORMATION; TI-6-22-22S;

D O I：

10.1016/j.matchar.2012.02.010

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effects of beta and TRIPLEX heat treatment on the microstructure, tensile properties and creep behavior of in situ synthesized (TiB+La2O3)/Ti composite were studied. The microstructure of specimens after beta heat treatment is widmanstatten, while that after TRIPLEX heat treatment is basketweave in prior beta grain. The sizes of beta grain and alpha + beta colony of specimens after TRIPLEX heat treatment are smaller than those after beta heat treatment. Compared with those after beta heat treatment, the high temperature tensile properties of specimens after TRIPLEX heat treatment are improved significantly, but the creep properties are reduced slightly, which is attributed to the change of microstructure after heat treatment. (C) 2012 Elsevier Inc. All rights reserved.

引用

页码：93 / 98

页数：6

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