Journal
ADVANCED ENGINEERING MATERIALS
Volume 16, Issue 8, Pages 1038-1043Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adem.201300530
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Funding
- European Research Council under ERC [267464-SPDME-TALS]
- Royal Society of the U.K. [JP091299]
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Experiments were conducted to investigate the low-cycle deformation behavior of an ultrafine-grained (UFG) Ti-6Al-4V alloy produced by severe plastic deformation (SPD) through a combination of equal-channel angular pressing (ECAP) and extrusion. The fatigue properties were examined by stress-controlled fatigue testing at stress amplitudes in the range of 700-1050 MPa. The specimens exhibited a dimpled final overload fracture mode. The results show the UFG alloy has a longer fatigue life and a finer dimple size than the coarse-grained material.
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