Residual Stresses Induced by Dry and Cryogenic Cooling during Machining of AZ31B Magnesium Alloy

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TitreResidual Stresses Induced by Dry and Cryogenic Cooling during Machining of AZ31B Magnesium Alloy
Type de publicationConference Paper
Year of Publication2014
AuteursOuteiro J.C, Batista A.C, Marques M.J
EditorFrancois M, Montay G, Panicaud B, Retraint D, Rouhaud E
Conference NameRESIDUAL STRESSES IX
PublisherUltra RS; Stresstech; Dectris Ltd; Proto Manufacturing; Conseil Natl Rech Sci; Grand Troyes; Conseil Gen Aube; Reg Champagne Ardenne; LASMIS Res Grp
Conference LocationKREUZSTRASSE 10, 8635 DURNTEN-ZURICH, SWITZERLAND
ISBN Number978-3-03835-153-5
Mots-clésCryogenic machining, Magnesium alloy AZ31B, residual stresses, X-ray diffraction
Résumé

The major challenge of the Mg alloys has been their unsatisfactory corrosion resistance, which can be enhanced by improving the surface integrity. Cryogenic machining, where liquid nitrogen was used during machining, has been reported to improve the surface integrity of machined components, including compressive residual stresses. This paper analyses the influence of several cutting parameters, tool geometry and cryogenic conditions on the surface and subsurface residual stresses distribution.

DOI10.4028/www.scientific.net/AMR.996.658