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Type: Artigo
Title: Morphological characterization of al-2.0wt%si-2.5wt%cu alloy produced by direct chill casting and electromagnetic stirring for thixoforming process
Author: Torres, Luis Vanderlei
Benati, Davi M.
Zoqui, Eugênio José
Abstract: This work evaluates, by means of its morphological characterization, a new Al-2.0wt%Si-2.5wt%Cu alloy produced by direct casting under electromagnetic stirring for thixoforming process. The alloy was submitted to re-heating treatment in two conditions of solid fractions, 45% and 60%, for 0, 30, 90 and 210 s. Re-heating treatment times promote solid phase particles globularization, presenting average grain sizes of approximately 90 μm for both solid fraction. These results show that the alloy is viable for thixoforming process, especially in the condition of 90 s of treatment time at 45% and 60% of solid fraction, that presents grain size about 90 μm and shape factor higher than 0.60. Another important fact about the small grain/primary particle size is related to the use of electromagnetic stirring in its production, that promotes the breakdown of the material structure and consequently stimulates globularization
Subject: Ligas (Metalurgia)
Country: Suíça
Editor: Trans Tech Publications
Rights: Fechado
Identifier DOI: 10.4028/
Date Issue: 2014
Appears in Collections:FEM - Artigos e Outros Documentos

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