FERNANDA MARGARIDO, M. O. FIGUEIREDO
The study investigates a quaternary Fe-AI-Si-Ca phase, termed CAALSIFER, identified in ferrosilicon alloys through scanning electron microscopy. The objective was to analyze its structural and chemical properties in relation to known phases, specifically a-Fe1-xSi2 (leboite). Utilizing experimental and computed X-ray diffraction data, various models of substitutional impurities and structural defects were applied to understand the new phase better. The analysis encompassed four distinct models: FeSi2, Fe0.5Si2, Fe(Si0.8Ca0.2)2, and (Fe0.5Al0.1)(Si0.8Ca0.2)2, with the most fitting results observed in the last model. Furthermore, the implications of CAALSIFER's presence are discussed concerning the alteration of a-to-β transformations in industrial leboite, which significantly impacts the efficiency of Fe-Si refining processes. The findings suggest that understanding the microstructure and texture of ferrosilicon is crucial for optimizing the hydrometallurgical treatment of these alloys, potentially enhancing the processing methods currently employed in the industry.
@article{60a82757-064d-4d3a-b2ad-69d4400e1dbc,
title={CAALSIFER: A Quaternary Fe-AI-Si-Ca Phase Isotypic with a-Leboite (Fet _ xSi2)},
author={FERNANDA MARGARIDO and M. O. FIGUEIREDO},
year={1988},
language={pt}
}TY - JOUR TI - CAALSIFER: A Quaternary Fe-AI-Si-Ca Phase Isotypic with a-Leboite (Fet _ xSi2) AU - FERNANDA MARGARIDO AU - M. O. FIGUEIREDO PY - 1988 LA - pt ER -
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