Properties of Rolled and Extruded Semiproducts Made of New Al-Cu-Mg-Ag Heat-Resistant B-1213 Alloy

Abstract:

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Main properties and structure of 2 mm thick sheets and 20×100 mm extruded strips made under industrial conditions from Al-Cu-Mg heat-resistant B-1213 alloy with Ag, Cr, Mn and Zr additions were investigated. It was stated that wrought B-1213 alloy semiproducts are superior to analogous semis made of widely used commercial heat resistant AK4-1ch-type alloys (analogues - AU2GN, 2618 alloys) in strength properties and heat resistance characteristics (by 10-20 %) as well as in crack resistance and fatigue life (by 20-40 %). B-1213 alloy is intended for replacement of traditional heat-resistant alloys of system Al-Cu-Mg-Fe-Ni in advanced aircraft primary structure components subjected heating at elevated temperatures (up to 200-250 oC) and allows one to increase weight efficiency, service life and reliability.

Info:

Periodical:

Materials Science Forum (Volumes 519-521)

Edited by:

W.J. Poole, M.A. Wells and D.J. Lloyd

Pages:

483-488

DOI:

10.4028/www.scientific.net/MSF.519-521.483

Citation:

I.N. Fridlyander et al., "Properties of Rolled and Extruded Semiproducts Made of New Al-Cu-Mg-Ag Heat-Resistant B-1213 Alloy", Materials Science Forum, Vols. 519-521, pp. 483-488, 2006

Online since:

July 2006

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$35.00

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