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2012 | 122 | 3 | 625-629
Article title

The Influence of Silicon Content on Recrystallization of Twin-Roll Cast Aluminum Alloys for Heat Exchangers

Content
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Languages of publication
EN
Abstracts
EN
Thin foils of aluminum alloys are commonly used in automotive industry for manufacturing heat exchangers. Use of twin-roll casting instead of direct-chill casting requires modifications in the manufacturing process and use of improved materials. In the present study, the evolution in microstructure and mechanical properties during isochronal annealing of two AW3003-based alloys differing in silicon content was monitored. The silicon influenced both the microhardness and precipitation kinetics during annealing, but not the recrystallization temperature. Precipitation of cubic α-Al_{15}(Mn,Fe)_3Si_2 phase occurred in two steps in the material with higher Si content, while mainly precipitates of Al_6(Mn,Fe) phase formed in the second material in a broad temperature interval, preferentially at grain boundaries.
Keywords
EN
Contributors
author
  • Charles University in Prague, Faculty of Mathematics and Physics, Ke Karlovu 5, 121 16 Prague 2, Czech Republic
  • CIRIMAT, ENSIACET, 5 allée Emile Monso, B.P. 44362, 31030 Toulouse cedex 4, France
author
  • Charles University in Prague, Faculty of Mathematics and Physics, Ke Karlovu 5, 121 16 Prague 2, Czech Republic
author
  • CIRIMAT, ENSIACET, 5 allée Emile Monso, B.P. 44362, 31030 Toulouse cedex 4, France
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv122z3p49kz
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