On the completeness of the β → ω transformation in metastable β titanium alloys

被引：11
|
作者：
Smilauerova, Jana [1 ]
Harcuba, Petr [1 ]
Kriegner, Dominik [1 ]
Holy, Vaclav [1 ]
机构：
[1] Charles Univ Prague, Fac Math & Phys, Prague, Czech Republic
来源：
JOURNAL OF APPLIED CRYSTALLOGRAPHY | 2017年 / 50卷
关键词：
metastable beta titanium alloys; omega phase; phase transformations; X-RAY-SCATTERING; PHASE-TRANSFORMATIONS; TI; INSTABILITIES; PRECIPITATION; PARTICLES; GROWTH;
D O I：
10.1107/S1600576716020458
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The completeness of the beta -> omega transformation in omega particles in a Ti-8 at.% Mo (Ti-15 wt% Mo) single crystal was investigated by measuring the X-ray diffraction maximum 20 (2) over bar2, which is forbidden in both the pure body-centred cubic beta phase and the hexagonal omega phase, and also the diffraction maxima 0001, 0002 and 10 (1) over bar1, which are forbidden in the beta phase and allowed in omega. From a comparison of the integrated intensities and widths of the diffraction peaks with simulations, the effective (mean) degree of the transformation was determined and the radial profile of the transformation degree in an omega particle was estimated.
引用
收藏
页码：283 / 287
页数：5
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