Strengthening of Fe3Al Aluminides by One or Two Solute Elements

被引：6

作者：

Kratochvil, Petr ^{[1
]}

Danis, Stanislav ^{[2
]}

Minarik, Peter ^{[1
]}

Pesicka, Josef ^{[1
]}

Kral, Robert ^{[1
]}

机构：

[1] Charles Univ Prague, Fac Math & Phys, Dept Phys Mat, Ke Karlovu 5, CZ-12116 Prague 2, Czech Republic

[2] Charles Univ Prague, Fac Math & Phys, Dept Condensed Matter Phys, Ke Karlovu 5, CZ-12116 Prague 2, Czech Republic

来源：

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2017年 / 48A卷 / 09期

关键词：

IRON ALUMINIDES; AL; STRESS; TEMPERATURE; PHASE;

D O I：

10.1007/s11661-017-4211-x

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The compressive yield stress of Fe-26Al with additives Ti (0.5 to 4 at. pct), Cr (0.5 to 8 at. pct), Mo (0.5 to 4 at. pct), and V (0.5 to 8 at. pct) at 1073 K (800 A degrees C) has been determined. The effect of the concentration of diverse solutes on the yield stress at 1073 K (800 A degrees C) was compared, and the additivity of the effects of solutes was tested. The effects in iron aluminides with two solutes (V and Ti, Ti and Cr, V and Cr) are compared with those of a single solute V, Ti, and Cr. It is found that the additivity of yield stress increments is valid only for lower solute concentrations. When the amount of the solute atoms increases, the yield stress increment is substantially higher than the sum of the yield stress increments of single solutes. This behavior is related to the high-temperature order in iron aluminides.

引用

页码：4135 / 4139

页数：5

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