Lightweight Aluminium for Automobile application

Apr 15th, 2015
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ULTRA-LIGHTWEIGHTALUMINIUM FOAM FORAUTOMOTIVE APPLICATIONSPRESENTED BY BENSON KILONZOIntroductionThis paper discusses the general characteristics of aluminium foamwhich leads to the wide applications in automotive industry. Thetwo most influential characteristics of the aluminium foams i.e. thelight weight, compressive deformation behaviour and the crashenergy management property are discussed in depth.AbstractUltra lightweight Aluminium foams have found there application in many fields of engineering because ofthe many combined properties that they posses.Aluminium foams are formed by Fraunhofers powder metallurgy process.The lightweight and specific stiffness offer significant reduction of vehicle weight.High energy absorption provide crash energy management.The range of material properties are discussed in the paper and also the current and the potential futureapplication of the material is also discussed.Fraunhofers process of producing thealuminium foamThe overall process is based on blending metal powders with a foaming agent, compacting thepowder mixture to high density and then heating the compact to near the melting point of themetal.The process starts with mixing metal powders (either pre-alloyed metal powders or blends ofelemental powders) with a small amount of foaming agent.After the foaming agent is uniformly distributed within the matrix powders, the mixture isthen compacted to yield a dens

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