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Type: Artigo de periódico
Title: Dendritic microstructure affecting mechanical properties and corrosion resistance of an Al-9wt% Si alloy
Author: Goulart, PR
Osorio, WR
Spinelli, JE
Garcia, A
Abstract: It has been reported that the mechanical properties and corrosion resistance of metallic alloys depend strongly on the solidi. cation microstructural arrangement. The correlation of corrosion behavior and mechanical properties with microstructure parameters can be very useful for planning solidi. cation conditions in order to achieve desired final properties. The aim of the present work is to investigate the influence of dendritic microstructural parameters of an Al-9wt.% Si alloy on mechanical properties and corrosion resistance. The experimental results establish correlations between secondary dendrite arm spacings (lambda(2)) and ultimate tensile strength (sigma(u)), yield strength (sigma(y)), corrosion potential (E-Corr), and corrosion rate (i(Corr)).
Subject: Al-Si alloys
chill mold
corrosion resistance
corrosion tests
dendrite arm spacing
electrochemical impedance spectroscopy (EIS)
equivalent circuit
mechanical properties
polarization tests
tensile testing
ultimate tensile strength
yield strength
Country: EUA
Editor: Taylor & Francis Inc
Citation: Materials And Manufacturing Processes. Taylor & Francis Inc, v. 22, n. 3, n. 328, n. 332, 2007.
Rights: fechado
Identifier DOI: 10.1080/10426910701190345
Date Issue: 2007
Appears in Collections:Unicamp - Artigos e Outros Documentos

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