Friction behavior of laser cladding magnesium alloy against AISI 52100 steel
Article dans une revue avec comité de lecture
Auteur
MASSE, Jean-EricFABRE, AgnèsRésumé
The use of magnesium alloys in engineering applications is becoming increasingly important as a relatively low density allows savings in energy consumption and therefore reduction in air pollution. An associated reduction in inertia makes these alloys potential candidates for friction components, but they suffer from poor wear resistance. Laser surface alloying with appropriate powder mixture is an innovative technique to improve surface properties of metallic alloys. In this study, the effect of laser surface alloying using Al12%Si powder on wear resistance of a magnesium alloy ZE41 is investigated. Hardness and wear resistance of the alloy are significantly enhanced after treatment.
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Article dans une revue avec comité de lecture; ; ;MASSE, Jean-Eric (Elsevier, 2010)
A laser surface melting treatment (LSMT) was performed on a ZE41 Mg-alloy using an excimer KrF laser. The laser-melted layer depth depends on the laser scan speed. The morphology and the microstructure of the laser-melted ...
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Communication avec acte; ; ; ;MASSE, Jean-Eric (SPIE, 2014)
Dissimilar laser beam welding between A5754 Al alloy and AZ31 Mg alloy with the plate thickness of 2 mm was investigated. Complex flow pattern characterized by a large volume of intermetallic compounds Al12Mg17 and Al3Mg2 ...
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Communication avec acte; ;MASSE, Jean-Eric; GIROT, Franck; LANGLOIS, Laurent (CSC, 2010)
Le procédé Friction Stir Welding qui peut se traduire en français par friction malaxage a été inventé par le TWI de Cambridge en 1991. La soudure est réalisée par apport de chaleur provoqué par le frottement d’un outil en ...
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Article dans une revue avec comité de lecture; ; ;MASSE, Jean-Eric; (Elsevier, 2010)
In this paper, a three-dimensional finite element model is developed to simulate thermal history magnesium-based alloys during laser beam welding. Space–time temperature distributions in weldments are predicted from the ...
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Article dans une revue avec comité de lecture; ; ;MASSE, Jean-Eric; (Laser Institute of America, 2010)
Magnesium alloys have a 33% lower density than aluminum alloys, whereas they exhibit the same mechanical characteristics. Their application increases in many economic sectors, in particular, in aeronautic and automotive ...