Browsing School of Engineering by Subject "plasticity"

Now showing items 1-3 of 3

Characterisation of head-hardened rail steel in terms of cyclic plasticity response and microstructure for improved material modelling

Athukorala, Asitha C.; De Pellegrin, Dennis V.; Kourousis, Kyriakos I. (Elsevier, 2016)

Stress- and strain-controlled tests of heat treated high-strength rail steel (Australian Standard AS1085.1) have been performed in order to improve the characterisation of the said material׳s ratcheting and fatigue wear ...
Enhanced non-linear material modelling for analysis and qualification of rollover protective structures

Agius, Dylan J.; Kourousis, Kyriakos I.; Takla, Monir; Subic, Aleksandar (SAGE, 2016)

Finite element simulations of a rollover protective structure are an important aspect in its design, as it provides a means of structural integrity qualification prior to the required destructive testing. A good understanding ...
Multiaxial ratcheting with advanced kinematic and directional distortional hardening rules

Feigenbaum, Heidi P.; Dugdale, Joel; Dafalias, Yannis F.; Kourousis, Kyriakos I.; Plesek, Jiri (Elsevier, 2012)

Ratcheting is defined as the accumulation of plastic strains during cyclic plastic loading. Modeling this behavior is extremely difficult because any small error in plastic strain during a single cycle will add to become ...

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