MICROSTRUCTURE VS CASTING PROCESSES IN THE FE-SI-CA-AL SYSTEM

• Tipo: Artigo em Revista Científica Internacional
• Data: 1993

Autores

MARGARIDO, F (Autor) Outra; José Inácio Martins (Autor) FEUP; GONCALVES, A (Autor) Outra; FIGUEIREDO, MO (Autor) Outra

Revista

A Revista está pendente de validação pelos Serviços Administrativos.

Título: MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING

Vol. 173

Páginas: 115-118

ISSN: 0921-5093

Indexação

ISI Web of Knowledge - 0 Citações

ISI Web of Science

Scopus - 0 Citações

Classificação Científica

FOS: Ciências da engenharia e tecnologias > Outras ciências da engenharia e tecnologias

Outras Informações

ID Authenticus: P-001-MB5

DOI: 10.1016/0921-5093(93)90198-n

Abstract (EN): A quaternary phase isostructural with alpha-Fe1-xSi2 and named ''caalsifer'' for its chemical constitution was earlier detected in industrial ferrosilicon alloys (Margarido and Figueiredo, 1988). With the aim of ascertaining the possible domain for such a non-equilibrium compound and contributing to the understanding of microstructure and phase solidification in casting processes of ferrosilicon alloys, a systematic study of phase formation within the quaternary Fe-Si-Al-Ca system was undertaken. Results are presented of laboratory experiments using both are and induction fusion furnavces with water-cooled copper crucibles, and compositions close to that assumed for cadsifer. The obtained materials were chemically and compositionally characterized through scanning electron microscopy and X-ray diffraction. A relation is tentatively established between microstructure plus phase assemblage on the one hand, and cooling rate on the other.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 4