COMBINED EFFECT OF Zr AND Si ON ISOTHERMAL OXIDATION OF Ti

被引：2
|
作者：
Ha, S-H [1 ]
Kim, B-H [1 ]
Yoon, Y-O [1 ]
Lim, H-K [1 ]
Kim, S. K. [1 ]
机构：
[1] Korea Inst Ind Technol, Adv Proc & Mat R&D Grp, 156 Gaetbeol Ro, Incheon 21999, South Korea
来源：
ARCHIVES OF METALLURGY AND MATERIALS | 2018年 / 63卷 / 03期
关键词：
Ti; Zr; Si; silicide; oxidation; BEHAVIOR; TITANIUM; SILICON; ALLOYS;
D O I：
10.24425/123837
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
In this study, the combined effect of Zr and Si on isothermal oxidation of Ti for 25 and 50 hat 820 degrees C, which is the temperature related to exhaust valves operation, was investigated. Si addition into Ti-5mass%Zr alloy led to a distribution of suicide Ti5Si3 phase formed by a eutectic reaction. The Ti sample containing only Zr showed more retarded oxidation rate than Ti-6Al-4V, the most prevalent Ti alloy, at the same condition. However, while a simultaneous addition of Zr and Si resulted in greater increase of oxidation resistance. The oxide layer formed after the addition of Zr and Si comprised TiO2,ZrO2, and SiO2.
引用
收藏
页码：1493 / 1495
页数：3
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