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Crystallization of AlSi17Cu5Mg Alloy after Time-thermal Treatment

Authors
  • Piątkowski, J.
  • Kamiński, P.
Type
Published Article
Journal
Archives of Foundry Engineering
Publisher
De Gruyter Open
Publication Date
Feb 20, 2015
Volume
15
Issue
1
Pages
83–86
Identifiers
DOI: 10.1515/afe-2015-0015
Source
De Gruyter
Keywords
License
Green

Abstract

In the dissertation it has been shown, that so called “time-thermal treatment” (TTT) of the alloy in liquid state as overheating the metal with around 250°C above Tliq. and detailing it in temperature for 30 to 40 minutes has the influence on changing the crystallization parameters (Tliq., TEmin., TEmax., TE(Me), TSol.). It was ascertained, that overheating the AlSi17Cu5Mg alloy substantially above Tliq. results with microcrystalline structure. Evenly distributed in the eutectic warp primeval silicon crystals and supersaturated with alloying additives of base content (Cu, Mg, Fe) of α(Al) solution, ensures not only increase durability in ambient temperature, but also at elevated temperature (250°C), what due to it’s use in car industry is an advantage.

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