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In-situ white beam microdiffraction study of the deformation behavior in polycrystalline magnesium alloy during uniaxial loading
journal contribution
posted on 2007-01-01, 00:00 authored by Peter LynchPeter Lynch, A Stevenson, D Liang, D Parry, S Wilkins, I Madsen, C Bettles, N Tamura, G GeandierScanning white beam X-ray microdiffraction has been used to study the heterogeneous grain deformation in a polycrystalline Mg alloy (MgAZ31). The high spatial resolution achieved on beamline 7.3.3 at the Advanced Light Source provides a unique method to measure the elastic strain and orientation of single grains as a function of applied load. To carry out in-situ measurements a light weight (~0.5kg) tensile stage, capable of providing uniaxial loads of up to 600kg, was designed to collect diffraction data on the loading and unloading cycle. In-situ observation of the deformation process provides insight about the crystallographic deformation mode via twinning and dislocation slip.
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Journal
AIP conference proceedingsVolume
879Issue
1Pagination
1751 - 1754Publisher
American Institute of PhysicsLocation
New York, N. Y.ISSN
0094-243XLanguage
engPublication classification
C1.1 Refereed article in a scholarly journalUsage metrics
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