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Development of new damage tolerant alloys for age-forming

Starink, M.J, Sinclair, I., Gao, N., Kamp, N., Gregson, P.J., Pitcher, P.D., Levers, A. and Gardiner, S., (2002) Development of new damage tolerant alloys for age-forming Gregson, P.J. and Harris, S. (eds.) In Aluminium Alloys 2002: Their Physical and Mechanical Properties. Trans Tech., pp. 601-606.

Record type: Conference or Workshop Item (Paper)


The applicability of age forming for the forming of damage tolerant structures is investigated by formulating and testing new alloy-age forming combinations. The alloy formulation process is driven initially by modelling of strength and semi-quantitative understanding of other microstructure-property relations. Using this a range of Al-Cu-Mg-Li-(Zr-Mn) based alloys that are predicted to provide yield strengths in aged condition comparable with incumbent the 2024-T351 alloy for lower wing skins are selected. It is shown that several of these new alloys after artificial aging representative of age-forming have proof strengths (PS), fatigue crack growth resistance (FCGR) and toughness that are comparable or better than incumbent 2024-T351. UTS to PS ratios of the new alloys are lower than incumbent 2024-T351.

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Published date: 2002
Additional Information: Series ISSN: 0255-5476
Venue - Dates: 8th International Conference ICAA8, 2002-07-02 - 2002-07-05
Keywords: fatigue resistance, 2xxx alloys, dsc, creep forming, toughness


Local EPrints ID: 18828
ISBN: 0878498990
ISSN: 0255-5476
PURE UUID: 50f9397d-3e58-43ad-9bbe-51d5170286dc

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Date deposited: 12 Dec 2005
Last modified: 17 Jul 2017 16:34

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Author: M.J Starink
Author: I. Sinclair
Author: N. Gao
Author: N. Kamp
Author: P.J. Gregson
Author: P.D. Pitcher
Author: A. Levers
Author: S. Gardiner
Editor: P.J. Gregson
Editor: S. Harris

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