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Microtomography and Creep Modeling of a Short Fiber Reinforced Aluminum Piston Alloy
Author(s) -
Marks Esteban,
Requena Guillermo,
Degischer HansPeter,
Boller Elodie
Publication year - 2011
Publication title -
advanced engineering materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.938
H-Index - 114
eISSN - 1527-2648
pISSN - 1438-1656
DOI - 10.1002/adem.201000237
Subject(s) - creep , interconnectivity , materials science , eutectic system , composite material , composite number , alloy , finite element method , aluminium , structural engineering , artificial intelligence , computer science , engineering
Interconnectivity between eutectic silicon and short fibers in an AlSi12CuNiMg/Al2O3/15s composite increases with long‐term creep exposure time due to diffusion. It is also observed that the stationary creep rate decreases significantly compared to the initial stationary creep rate. Interconnectivity between rigid phases is analyzed and three‐dimensional statistical functions are applied to deduce the representative volume elements of the composite in different conditions. Unit cell geometrical models are generated to simulate the stationary creep behavior using the finite element method.