Mechanical Behavior of Nickel Base Foams for Diesel Particle Filter Applications
An original processing route by powder metallurgy was developped to alloy pure Ni foams so, that the foam becomes refractory for high temperature applications. The modelling of such a foam at high temperature starts from the behavior of the basic constitutive material, then we use micromechanical models to predict the mechanical properties under tension and in compression creep. A 3D finite element analysis of a volume analysed by X-ray tomography is performed to study the foam deformation mechanisms in both conditions.
KeywordsPowder Metallurgy Creep Test Diffusional Creep Representative Volume Element Size Alloyed Foam
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