Involves experimental testing, numerical modelling and the verification of component lifting methods which are associated with failures due to brittle, ductile, fatigue and creep fracture. In particular, the main impetus has been in the field of high temperature creep/fatigue crack growth by considering the experimental and metallurgical aspects, micro-models and numerical predictions associated with such failure.
The key research is related to the development of unified constitutive equations, which are implemented in commercial FE codes, such as DEFORM and ABAQUS, to predict microstructure evolution in thermomechanical forming processes. Features of the microstructure considered in the predictions include recrystallisation, grain size evolution, precipitate dissolution, nucleation and growth as well as micro void nucleation, growth and healing.
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