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Pure shear plastic flow and failure of titanium alloys under quasi-static and dynamic torsional loading

Abstract:

The pure shear responses of Ti6Al4V alloy and Ti3Al2.5V alloy, conceived for unique applications in jet engine components, are compared using Digital Image Correlation technique from quasi-static (10−3/s), medium strain rate (101/s) and high strain rates (103/s). A series of bespoke torsion tests have been performed on a screw driven mechanical system, a fast hydraulic Instron machine and a Campbell split Hopkinson torsion bar, equipped with high speed photographic equipment. Observations hav...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1016/j.mechmat.2022.104262

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Role:
Author
ORCID:
0000-0003-3650-3526
Publisher:
Elsevier
Journal:
Mechanics of Materials More from this journal
Volume:
167
Article number:
104262
Publication date:
2022-02-16
Acceptance date:
2022-02-11
DOI:
ISSN:
0167-6636
Language:
English
Keywords:
Pubs id:
1239394
Local pid:
pubs:1239394
Deposit date:
2022-02-12

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