Paper Title:
New Quaternary Type of Al-Sr-Ti-B Master Alloy for Grain Refining and Modifying of Al-Si
  Abstract

The paper’s aim is to present the processing of a new master alloy similar to STROBLOY. This alloy represents a combination of two master alloys, already known in aluminum industry (AlTiB and AlSr). The benefits of this new alloy are the cut of Ti, B and Sr consumption, as well as a grain refining/modification ecological technology for Al-Si and Al-Mg-Si alloys. So, this alloy was obtained from binary AlB8, AlSr10 and AlTi10 master alloys melted in an electric resistance furnace and argon atmosphere. Samples were cast in an iron mould. As STROBLOY, this new quaternary alloy contains fast dissolving SrAl4 particles important in modification stage, and nucleating particles such as TiB2 and (Al, Ti)B2 essential for grain refining of aluminum alloys.

  Info
Periodical
Edited by
Ionel Chicinaş and Traian Canta
Pages
295-298
DOI
10.4028/www.scientific.net/AMR.23.295
Citation
P. Moldovan, G. Popescu, C.A. Popescu, I. Apostolescu, A. Buzaianu, "New Quaternary Type of Al-Sr-Ti-B Master Alloy for Grain Refining and Modifying of Al-Si", Advanced Materials Research, Vol. 23, pp. 295-298, 2007
Online since
October 2007
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$32.00
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