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Type: Artigo de periódico
Title: Microstructure features affecting mechanical properties and corrosion behavior of a hypoeutectic Al-Ni alloy
Author: Osorio, WR
Peixoto, LC
Cante, MV
Garcia, A
Abstract: The aim of this article is to analyze the influence of microstructural parameters on the mechanical properties and corrosion behavior of a hypoeutectic Al-Ni alloy. Experimental results include secondary dendrite arm spacing, corrosion potential, current density, pitting potential, ultimate tensile strength and yield strength. It was found that cooling rates during solidification of about 0.6 degrees C/s and 8 degrees C/s can provide secondary dendritic spacings of 7 mu m and 16 mu m, respectively. Although the microstructure having their phases finely and homogeneously distributed was shown to induce better mechanical properties and higher pitting potential, its general corrosion resistance decreased when compared with the corresponding results of the coarser microstructure. (C) 2010 Elsevier Ltd. All rights reserved.
Country: Inglaterra
Editor: Elsevier Sci Ltd
Rights: fechado
Identifier DOI: 10.1016/j.matdes.2010.04.045
Date Issue: 2010
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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