Transformation of the Structure and Parameters of Phases during Aging of a Titanium Ti-10V-2Fe-3Al Alloy and Their Relation to Strengthening

被引:7
作者
Zhelnina, A. V. [1 ]
Kalienko, M. S. [1 ,2 ]
Illarionov, A. G. [2 ,3 ]
Shchetnikov, N. V. [1 ]
机构
[1] PAO Corp VSMPO AVISMA, Verkhnyaya Salda 624760, Russia
[2] Ural Fed Univ, Inst Nat Sci & Math, Ekaterinburg 620002, Russia
[3] Russian Acad Sci, Ural Branch, Mikheev Inst Met Phys, Ekaterinburg 620108, Russia
关键词
Ti-10V-2Fe-3Al alloy; quenching; aging; structure; phase composition; chemical composition of phases; precipitation strengthening; hardness;
D O I
10.1134/S0031918X20120133
中图分类号
TF [冶金工业];
学科分类号
0806 ;
摘要
Scanning electron microscopy, electron microprobe and X-ray diffraction analyses, and durometry are used to study changes in the structure, phase composition, and hardness of a quenched titanium Ti-10V-2Fe-3Al alloy in the course of aging at 500 degrees C for 2-32 h. A complex analysis of changes in the lattice parameters of the primary and secondary alpha phases formed in the alloy during aging has been performed for the first time using full-profile X-ray diffraction analysis. Aging-induced changes in the hardness of the alloy are shown to be determined both by the sizes of formed secondary alpha-phase particles and changes in the alloying of the matrix beta solid solution.
引用
收藏
页码:1220 / 1226
页数:7
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