Influence of Y and Zr on TiAl43Nb4Mo1B0.1 titanium aluminide microstructure and properties

被引：5
|
作者：
Bazhenov, V. E. [1 ]
Kuprienko, V. S. [1 ]
Fadeev, A., V [1 ]
Bazlov, A., I [2 ]
Belov, V. D. [1 ]
Titov, A. Yu [1 ]
Koltygin, A., V [1 ]
Komissarov, A. A. [3 ]
Plisetskaya, I., V [1 ]
Logachev, I. A. [4 ]
机构：
[1] Natl Univ Sci & Technol MISiS, Foundry Dept, Leninskiy Pr 4, Moscow 119049, Russia
[2] Natl Univ Sci & Technol MISiS, Lab Adv Green Mat, Moscow, Russia
[3] Natl Univ Sci & Technol MISiS, Lab Hybrid Nanostruct Mat, Moscow, Russia
[4] JSC Kompozit, Metall Mat & Met Technol Dept, Korolev, Russia
来源：
MATERIALS SCIENCE AND TECHNOLOGY | 2020年 / 36卷 / 05期
关键词：
Titanium aluminide; intermetallics; TNM-B1; heat resistance; mechanical properties; MECHANICAL-PROPERTIES; OXIDATION RESISTANCE; DEFORMATION; IMPROVEMENT; BEHAVIOR; YTTRIUM; DESIGN; PHASES; CR;
D O I：
10.1080/02670836.2020.1716493
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The influence of the addition of 2.3 at.-% Y and of 0.8 at.-% Zr + 0.2 at.-% Y on the properties of TiAl43Nb4Mo1B0.1 (TNM-B1) titanium aluminide alloy is investigated. Energy-dispersive X-ray spectroscopy analysis shows that the Y content of the beta, gamma, and alpha(2) phases is low, and nearly all of the Y is in the Al2Y phase. The Zr content in the alloy phases is the same as that in alloy. Tensile tests show that Y addition decreases tensile strength and elongation, but only minor effects on these properties are observed after the addition of Zr and Y. It is shown that the addition of Y leads to a decrease in the heat resistance of TiAl43Nb4Mo1B0.1 alloy at 900 degrees C.
引用
收藏
页码：548 / 555
页数：8
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