Special features of formation of omega-phase in titanium alloys due to hardening

被引：0
|
作者：
A. G. Illarionov
A. A. Popov
S. V. Grib
O. A. Elkina
机构：
[1] Ural Federal University in the Name of the First President of Russia B. N. El’tsyn,
[2] Institute for Metals Physics of the Ural Branch of the Russian Academy of Sciences,undefined
来源：
Metal Science and Heat Treatment | 2011年 / 52卷
关键词：
titanium alloys; phase transformations; omega-phase; hardening; electron concentration; alloying with hydrogen;
D O I：
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学科分类号：
摘要：
Special features of formation of athermal ω-phase in titanium alloys of the Ti – Nb, Ti – V, and Ti2AlNb-base systems are considered from the standpoint of changes in the electron concentration of the β-solid solution. The conditions of formation of ω-phase with anomalous (“raft”) morphology are determined. A dislocation model explaining the morphological features is suggested. The effect of hydrogen alloying of titanium alloys on the process of formation of ω-phase in hardening is described. Amethod for computing electron concentration for titanium alloys with hydrogen is suggested.
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页码：493 / 498
页数：5
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