Isothermal omega kinetics in beta-titanium alloys

被引：8
|
作者：
Coakley, James [1 ,2 ]
Seong, Baek-Seok [3 ]
Dye, David [4 ]
Ohnuma, Masato [5 ]
机构：
[1] Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL USA
[2] Univ Cambridge, Dept Mat Sci & Met, Cambridge, England
[3] Korea Atom Energy Res Inst, HANARO Ctr, Daejeon, South Korea
[4] Imperial Coll, Dept Mat, London, England
[5] Hokkaido Univ, Lab Quantum Beam Syst Engn, Sapporo, Hokkaido, Japan
来源：
PHILOSOPHICAL MAGAZINE LETTERS | 2017年 / 97卷 / 03期
基金：
英国工程与自然科学研究理事会; 美国国家科学基金会;
关键词：
Titanium alloys; X-ray diffraction; small angle scattering; ageing; omega phase transformation; X-RAY-SCATTERING; SMALL-ANGLE SCATTERING; MULTIFUNCTIONAL ALLOYS; MECHANICAL-PROPERTIES; TI-MO; PHASE; PRECIPITATION; TI-5AL-5MO-5V-3CR; GROWTH; ALPHA;
D O I：
10.1080/09500839.2017.1282633
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Small angle X-ray and neutron scattering provide a non-localised quantitative analysis of nanoscale. precipitates in Ti-7Mo at.% and Gum metal, a Ti-Nb based alloy. The nucleation and coarsening kinetics are more rapid in the Ti-Nb alloy than the Ti-Mo alloy, presumably as Nb diffuses more rapidly than Mo in Ti. Therefore Mo-based beta-Ti alloys are more stable during. ageing than Nb-based beta-Ti alloys. To the authors' knowledge, this represents the first publication quantifying omega size, volume fraction and element partitioning in Gum metal.
引用
收藏
页码：83 / 91
页数：9
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