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

Article dans une revue avec comité de lecture
Author
MARTINS DO OUTEIRO, Jose Carlos
127742 Laboratoire Bourguignon des Matériaux et Procédés [LABOMAP]
BATISTA, Antonio
MARQUES, M.J.

URI
http://hdl.handle.net/10985/8496
Date
2014
Journal
Advanced Materials Research

Abstract

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.

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