Palavra-chave: ALUMINIUM SILICON ALLOYS

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