Journal
JOURNAL OF MATERIALS SCIENCE
Volume 45, Issue 3, Pages 765-770Publisher
SPRINGER
DOI: 10.1007/s10853-009-3998-2
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Funding
- Australian Research Council [DP0772880]
- US Army Research Office [W911NF-08-1-0201]
- U.S. DOE
- Australian Research Council [DP0772880] Funding Source: Australian Research Council
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Optical microscopy was used to examine the shear strain imposed in duplex stainless steel disks during processing by high-pressure torsion (HPT). The results show a double-swirl pattern emerges in the early stages of HPT and the two centres of the swirl move towards the centre of the disk with increasing revolutions. Local shear vortices also develop with increasing numbers of revolutions. At 20 revolutions, there is a uniform shear strain pattern throughout the disk and no local shear vortices.
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