The influence of alloying on slip intermittency and the implications for dwell fatigue in titanium

Felicity F. Worsnop; Rachel E. Lim; Joel V. Bernier; Darren C. Pagan; Yilun Xu; Thomas P. McAuliffe; David Rugg; David Dye

doi:10.1038/s41467-022-33437-z

Nature Communications (Oct 2022)

The influence of alloying on slip intermittency and the implications for dwell fatigue in titanium

Felicity F. Worsnop,
Rachel E. Lim,
Joel V. Bernier,
Darren C. Pagan,
Yilun Xu,
Thomas P. McAuliffe,
David Rugg,
David Dye

Affiliations

Felicity F. Worsnop: Department of Materials, Royal School of Mines, Imperial College London
Rachel E. Lim: Department of Materials Science and Engineering, Pennsylvania State University
Joel V. Bernier: Lawrence Livermore National Laboratory
Darren C. Pagan: Department of Materials Science and Engineering, Pennsylvania State University
Yilun Xu: Department of Materials, Royal School of Mines, Imperial College London
Thomas P. McAuliffe: Department of Materials, Royal School of Mines, Imperial College London
David Rugg: Formerly with Rolls-Royce plc.
David Dye: Department of Materials, Royal School of Mines, Imperial College London

DOI: https://doi.org/10.1038/s41467-022-33437-z
Journal volume & issue: Vol. 13, no. 1
pp. 1 – 9

Abstract

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It is important to understand dwell fatigue that has been implicated in several uncontained jet engine failures. Here the authors observe stress bursts due to slip intermittency in a Ti alloy using synchrotron x-ray diffraction microscopy to understand the roles of precipitates and trace oxygen.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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