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Phase transformations in Cu – Al alloy

  • Transformations. Structure
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Metal Science and Heat Treatment Aims and scope

The phases obtained in copper aluminum bronze alloy (Cu – 10 wt.% Al – 2 wt.% Fe) cast into a permanent die were investigated. The parameters examined were the preheating temperatures of the die and the graphite coating thickness. The phases α and γ2 were detected as well as the metastable phases β′ and γ′. The intermetallics of the system Fe – Al were obtained in various stoichiometric compositions. The different cooling rates of the casting resulted in two mechanisms of transformation to α grains out of the unstable β phase, one being nucleation and growth producing needle-shaped α grains, the other exhibiting a massive transformation to spherical α grains. These two mechanisms determine the changes in the size of the α grains as a result of changes in the cooling rate in its various ranges.

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Authors and Affiliations

  1. Department of Mech. Eng., Energy and Materials, Public University of Navarre, Pamplona, Spain

    I. Cenoz & M. Gutierrez

Authors
  1. I. Cenoz
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  2. M. Gutierrez
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Correspondence to I. Cenoz.

Additional information

Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 6, pp. 10 – 14, June, 2011.

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Cenoz, I., Gutierrez, M. Phase transformations in Cu – Al alloy. Met Sci Heat Treat 53, 265–269 (2011). https://doi.org/10.1007/s11041-011-9380-4

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  • DOI: https://doi.org/10.1007/s11041-011-9380-4

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