Palavra-chave: ALUMINIUM SILICON ALLOYS

RHEOCAST QUALITY INDEX SEMI SOLID MATERIAL RE-HEATING MICROSTRUCTURAL CHARACTERISATION MACROSTRUCTURAL CHARACTERISATION RHEOCAST VISCOSITY SEMI SOLID BEHAVIOUR ULTRA-REFINING THIXOFORMING SOLIDIFICATION GRAIN REFINEMENT CASTING SILICON REFINEMENT MASTER ALLOY ELETROMAGNETIC STIRRING MICROSTRUCTURE DSC THERMODYNAMIC CHARACTERIZATION RHEOCASTING SEMISOLID PROCESSING MATERIALS CHARACTERIZATION RHEOLOGICAL BEHAVIOUR THIXOFORMABILITY GRAIN REFING ULTRASOUND MELT TREATMENT POROSITY THIXO-FORMING MAGNESIUM ALLOYS MECHANICAL STIRRING HEAT-TREATMENT CHARACTERISATION HEAT TREATMENT TIXOCONFORMAÇÃO NBR ISO 9001 GESTÃO PELA QUALIDADE TOTAL QUALIDADE FERRAMENTAS DA QUALIDADE MELHORIA CONTÍNUA