On the Origin of the Enhanced Creep Resistance in Underaged Al-Cu Based Alloys

Abstract:

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It has recently been observed that the creep resistance of Al-Cu based precipitation hardened alloys may be enhanced through use of the underaged temper. We have treated this problem theoretically by considering the motion of a dislocation through a precipitation hardened structure and discuss the physical origin of the enhanced creep resistance in the underaged condition. The variation in expected creep resistance as a function of aging treatment is calculated and the possible generality of the experimental observations is considered.

Info:

Periodical:

Materials Science Forum (Volumes 519-521)

Edited by:

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

Pages:

1029-1034

DOI:

10.4028/www.scientific.net/MSF.519-521.1029

Citation:

C. R. Hutchinson et al., "On the Origin of the Enhanced Creep Resistance in Underaged Al-Cu Based Alloys", Materials Science Forum, Vols. 519-521, pp. 1029-1034, 2006

Online since:

July 2006

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Price:

$35.00

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