Improvement in the oxidation resistance of the TiAl-based alloy by liquid-phase siliconizing

被引：47

作者：

Xiong, HP ^{[1
]}

Xie, YH ^{[1
]}

Mao, W ^{[1
]}

Ma, WL ^{[1
]}

Chen, YF ^{[1
]}

Li, XH ^{[1
]}

Cheng, YY ^{[1
]}

机构：

[1] Inst Aeronaut Mat, Lab Welding & Forging, Beijing 100095, Peoples R China

来源：

SCRIPTA MATERIALIA | 2003年 / 49卷 / 11期

关键词：

intermetallic compound; oxidation; siliconizing; TEM; SEM;

D O I：

10.1016/j.scriptamat.2003.08.008

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Liquid-phase siliconizing method is proposed to improve the oxidation resistance of the TiAl-based alloy. The expected effect was obtained on the siliconizing condition of 780 degreesC/10 min + 680 degreesC/10 min using Al-10 wt.%Si alloy, The presence of the compounds Ti5Si3 and Al12Si3Ti5 was identified by TEM in the siliconized layer, and the formation mechanism was elucidated from the thermodynamical point of view. (C) 2003 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：1117 / 1122

页数：6

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