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contributor authorRussell J. McDonald
contributor authorChristos Efstathiou
contributor authorPeter Kurath
date accessioned2017-05-09T00:32:55Z
date available2017-05-09T00:32:55Z
date copyrightJuly, 2009
date issued2009
identifier issn0094-4289
identifier otherJEMTA8-27120#031013_1.pdf
identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/140596
description abstractThe purpose of this work is to explore nonuniform plastic flow at small length- and time-scales. Pure single crystal copper tensile specimens were pulled along the [6¯ 5 6] crystal axis at three nominal strain-rates: 0.01%/s, 0.04%/s, and 0.10%/s. Simultaneously, the surface deformation was monitored with in situ digital image correlation over a length-scale of ∼100 μm and a time-scale of 0.07–0.2 s. Sequential digital image correlation strain-rate fields show compelling evidence of a wavelike plastic deformation that is proportional to the nominal strain-rate and decelerates with increasing strain hardening. While a mechanism responsible for the waves is not identified, a methodology correlating observations of multiple researchers is forwarded.
publisherThe American Society of Mechanical Engineers (ASME)
titleThe Wavelike Plastic Deformation of Single Crystal Copper
typeJournal Paper
journal volume131
journal issue3
journal titleJournal of Engineering Materials and Technology
identifier doi10.1115/1.3120410
journal fristpage31013
identifier eissn1528-8889
keywordsDeformation
keywordsCrystals
keywordsCopper
keywordsWaves AND Mechanisms
treeJournal of Engineering Materials and Technology:;2009:;volume( 131 ):;issue: 003
contenttypeFulltext


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