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Effect of heat treatment on the insoluble intermetallic phases present in an AA 6063 alloy

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Abstract

The microstructure of a semi-continuously cast AA 6063 alloy was investigated and the transformation of insoluble intermetallic phases by applied heat treatment was studied by selective dissolution of the matrix. Residual intermetallics were characterized using energy-dispersive X-ray analysis, X-ray and electron diffraction techniques. Transformation of β-AlFeSi phase, which is known to have detrimental effects on the surface finish of the extrudates, to more favourable α-AlFeSi phase by heat treatment was determined.

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Authors and Affiliations

  1. Department of Materials Research, TÜBİTAK, Gebze, Turkey

    S. Onurlu

  2. Faculty of Chemistry and Metallurgy, İ.T.Ü., Ístanbul, Turkey

    A. Tekin

Authors
  1. S. Onurlu
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  2. A. Tekin
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Onurlu, S., Tekin, A. Effect of heat treatment on the insoluble intermetallic phases present in an AA 6063 alloy. JOURNAL OF MATERIALS SCIENCE 29, 1652–1655 (1994). https://doi.org/10.1007/BF00368940

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  • DOI: https://doi.org/10.1007/BF00368940

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