Thermodynamic and microstructural factors for the design of thixotropic alloys
DOI:
https://doi.org/10.3989/revmetalm.2005.v41.iExtra.1019Keywords:
Semisolid, Car industry, Aluminium, Microstructure, ThermodynamicAbstract
Semisolid forming is an hybrid process between forging and casting, that is based on the thixotropic properties of some alloys that have been shake during their solidification process. This new process presents some advantages compared with traditional processes, like less quantity of defects than in die casting parts, or the chance to obtain more complicated parts than in forging processes, to mention some. In this article is presented the work that is being carried out at MGEP in the field of semisolid forming of aluminium alloys. Microstructural and thermodynamic quality factors which allow to characterize the material thixotropic behaviour are described.
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