Reference : Electron backscattered diffraction of aluminium alloy 7075 samples after heat treatment
Scientific journals : Article
Engineering, computing & technology : Materials science & engineering
http://hdl.handle.net/2268/30806
Electron backscattered diffraction of aluminium alloy 7075 samples after heat treatment
English
Vaneetveld, Grégory mailto [Université de Liège - ULg > Département d'aérospatiale et mécanique > Science des matériaux métalliques >]
Rassili, Ahmed mailto [Université de Liège - ULg > Département d'aérospatiale et mécanique > Science des matériaux métalliques >]
Lecomte-Beckers, Jacqueline mailto [Université de Liège - ULg > Département d'aérospatiale et mécanique > Science des matériaux métalliques >]
Atkinson, Helen Victoria mailto [University of Leicester > Department of Engineering > Materials > 2009 >]
2009
International Journal of Material Forming
Springer
777-780
Yes
International
1960-6206
1960-6214
Paris
france
[en] EBSD ; aluminium alloy 7075 ; heat treatment
[en] Thixoforging is a type of semi-solid metal processing at high solid fraction (0.7<fs<1), which involves the processing of alloys in the semi-solid state. The use of semi-solid material with globular microstructure helps to decrease forming load. But the introduction of a liquid phase in the material is a source of defects that limit mechanical properties of thixoforged parts. One of these defects is the hot cracking for some hot crack-sensitive wrought aluminium alloys. Hot cracking occurs because of strain and deformation during last step of solidification. This paper shows how thixoforging process should help to lower hot cracking tendency without modification of the alloy composition by decreasing strain and deformation due to shrinkage. Different experimental tests by extrusion of 7075 aluminium alloys are used.
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/30806

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