Discovery of plate-shaped athermal omega phase forming pairs with alpha ' martensite in a Ti-5.26 wt.% Cr Alloy

Qiu, Dong, Zhang, Mingxing, Kelly, Patrick and Furuhara, Tadashi (2013) Discovery of plate-shaped athermal omega phase forming pairs with alpha ' martensite in a Ti-5.26 wt.% Cr Alloy. Scripta Materialia, 69 10: 752-755. doi:10.1016/j.scriptamat.2013.08.020


Author Qiu, Dong
Zhang, Mingxing
Kelly, Patrick
Furuhara, Tadashi
Title Discovery of plate-shaped athermal omega phase forming pairs with alpha ' martensite in a Ti-5.26 wt.% Cr Alloy
Journal name Scripta Materialia   Check publisher's open access policy
ISSN 1359-6462
1872-8456
Publication date 2013-11-01
Year available 2013
Sub-type Article (original research)
DOI 10.1016/j.scriptamat.2013.08.020
Open Access Status Not yet assessed
Volume 69
Issue 10
Start page 752
End page 755
Total pages 4
Place of publication Kidlington, Oxford, United Kingdom
Publisher Pergamon
Language eng
Subject 2500 Materials Science
3104 Condensed Matter Physics
Abstract Plate-shaped athermal ω phase (ω) has been observed for the first time in an as-quenched Ti-5.26 wt.% Cr alloy, forming a plate pair with α′ martensite. The orientation relationship is determined as: [ // [ // [0 0 0 1], (2 2 2) // (0 0 0 1) 0.5 away from (112̄0), with the habit plane (54̄4̄) // ( // (34̄10). Such observations are explained well using the edge-to-edge matching model. The singular α′/ω interface implies that α′ martensite is likely to act as a heterogeneous nucleation site for ω.
Keyword Crystallography
Martensitic transformation
Omega Phase
Edge-to-edge matching
Titanium alloys
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mechanical & Mining Engineering Publications
Official 2014 Collection
 
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