Abstract

Abstract An investigation of a new forming method for the production of complex profiles is presented. The deformation is effected by the use of simple tools in a flashless type operation where local heating is applied to the billet surface or volume, thus allowing deformation to occur where material yield stress is lowest. The mode of deformation created by the local variation in the material flow stress is complicated and can only be idealised by the use of visioplasticity techniques. Experiments using split billets and integrated aluminium/plasticine billets showed that in the flow of softer material is predominant.

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