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Quantitative assessment of preferential fatigue initiation sites in a multi-phase aluminium alloy

Joyce, M.R., Lee, K.K., Syngellakis, S. and Reed, P.A.S. (2004) Quantitative assessment of preferential fatigue initiation sites in a multi-phase aluminium alloy Fatigue and Fracture of Engineering Materials and Structures, 27, (11), pp. 1025-1036. (doi:10.1111/j.1460-2695.2004.00815.x).

Record type: Article


Complex multi-phase Al–Sn–Si alloys are commonly employed in the manufacture of small automotive plain bearings. The fundamental fatigue initiation behaviour of this class of alloys is currently not well understood. A range of analytical techniques were applied to investigate preferential initiation site location and to attempt to identify critical microstructural features. It was apparent from experimental studies that points of fatigue crack initiation are associated with the Si secondary phase. Using tessellation approaches and subsequently both adaptive numerical modelling and micro-scale finite element modelling allowed the identification of features affecting the probability that a given Si phase would initiate a fatigue crack.

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Published date: 2004
Keywords: adaptive numerical modelling, aluminium alloys, fatigue, finite element analysis


Local EPrints ID: 22895
ISSN: 8756-758X
PURE UUID: 5c94ee87-528f-4d4a-bdc2-abc8ee048683
ORCID for P.A.S. Reed: ORCID iD

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Date deposited: 21 Mar 2006
Last modified: 17 Jul 2017 16:20

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Author: M.R. Joyce
Author: K.K. Lee
Author: S. Syngellakis
Author: P.A.S. Reed ORCID iD

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