Formation of Intermediate Phases in Decomposition of Metastable B-Phase in Titanium Alloys of Transition Class

被引：0
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作者：
A. O. Petrova
A. A. Popov
K. I. Lugovaya
M. A. Zhilyakova
机构：
[1] Ural Federal University after the First President of Russia B. N. Eltsyn,
[2] M. N. Mikheev Institute for Metals Physics of the Ural Branch of the Russian Academy of Sciences,undefined
来源：
Metal Science and Heat Treatment | 2022年 / 64卷
关键词：
titanium alloy; heat treatment; processes of decomposition of metastable phases; transition phases; microstructure;
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摘要：
The process of precipitation of transition phases in quenched alloys Ti – 14% Mo and VST3553 is studied under aging at from 300 to 500°C. X-ray diffraction phase analysis and transmission electron microscopy are used to detect the presence of a metastable O″-phase in the alloys quenched from the β-range. The morphology of the precipitated particles and the kinetics of formation of the O″-phase are determined. It is shown that phases O′ and/or O″ are continuously associated with precipitation of phase ω and are transition phases up to the temperature of formation of the α-phase, i.e., 500°C.
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页码：446 / 450
页数：4
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