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Type: Artigo de periódico
Title: Investigation of the chemical composition of nonmetallic inclusions utilizing ternary phase diagrams
Author: Fernandes, M
Pires, JC
Cheung, N
Garcia, A
Abstract: Nonmetallic inclusions are normally present in steel products, as they originate from reactions that occur during the steelmaking process. Inclusions, which consist of stable nonmetallic phases depending on their chemical composition, can strongly affect the final quality of the metallurgical product. In this sense, the influence of inclusions in the steel is determined by their chemical composition. The aim of this work is to present the evolution of the chemical composition of nonmetallic inclusions utilizing ternary phase diagrams by means of the analysis of steel samples collected during the steel (aluminum-killed steel, SAE 1015) manufacturing process. A computational program was developed to furnish the positions of the inclusions on appropriate ternary phase diagrams by using as input data the chemical composition of the inclusions, determined with a scanning electron microscope (SEM) connected to an energy-dispersive spectrometer (EDS). (C) 2003 Elsevier Inc. All rights reserved.
Subject: nonmetallic inclusions
ternary phase diagram
aluminum-killed steel
energy-dispersive spectrometer (EDS)
Country: EUA
Editor: Elsevier Science Inc
Citation: Materials Characterization. Elsevier Science Inc, v. 49, n. 5, n. 437, n. 443, 2002.
Rights: fechado
Identifier DOI: 10.1016/S1044-5803(03)00072-X
Date Issue: 2002
Appears in Collections:Unicamp - Artigos e Outros Documentos

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