Behavior, damage and fatigue life assessment of lost foam casting aluminum alloys under thermo-mechanical fatigue conditions

Shadan Tabibian, Eric Charkaluk, Andrei Constantinescu, Alexis Oudin, Fabien Szmytka
2010 Procedia Engineering  
The purpose of this paper is to define a thermomechanical fatigue criterion in order to predict the failure of the cylinder heads issued with the lost foam casting process. The microstructure of the materials (A356-A319) is affected by the lost foam casting process which can directly affect the mechanical properties, the damage mechanisms and thefatigue failure of the materials. The major problem in defining a predictive fatigue criterion in this case is the fact that it should be on one side
more » ... plicable for the structure which is submitted to complex multiaxial thermomechanical loadings and on the other side should take into account the microstructural effects of casting process.
doi:10.1016/j.proeng.2010.03.124 fatcat:ptvrzr3v3zhendn5cthnmrtj4i