Materials engineering : high-tech composites to ancient metals (2009)
Zhang, SY, Godfrey, E, Kockelmann, W, Paradowska, A, Bull, M, Abbey, B, ...
Neutron diffraction methods offer a direct measure of the elastic component of strain deep within crystalline materials through precise characterisation of the interplanar crystal lattice spacing....
High-tech composites to ancient metals (2009)
Zhang, SY, Godfrey, E, Kockelmann, W, Paradowska, A, Bull, MJ, Korsunsky, AM, ...
Song, X, Zhang, SY, Dini, D, Korsunsky, AM
Most models based on continuum mechanics do not account for inhomogeneities at the micro-scale. This can be achieved by considering a representative volume of material and using (poly)crystal...
Jun, T-S, Rotundo, F, Ceschini, L, Korsunsky, AM
Linear friction welding (LFW) is a solid state joining process for bonding of two flat-edged, complex geometry components through relative reciprocating motion under axial (compressive) forces....
High energy X-ray diffraction as a method of strain analysis (2008)
Strain analysis in engineering components and assemblies is important for the purposes of evaluating deformation response to in service or laboratory loading, so as to characterise the presence of...
Analysis of strain-induced peak broadening (2008)
Hlfmann, F, Zhang, SY, Jun, TS, Korsunsky, AM
X-ray diffraction measurement in the bulk of engineering components allows evaluation of lattice spacing variation by application of Bragg law and hence, by comparison with a strain-free reference...
Vorster, WJJ, Venter, A, Oliver, EC, Prakash, DGL, Korsunsky, AM
This study was aimed at modelling the deformation and residual stress states of AISI 316L stainless steel water spray quenched samples subjected. Heat transfer coefficients measured for the spray...
Vorster, WJJ, Venter, A, Oliver, EC, Prakash, DGL, Korsunsky, AM
Quench heat treatments are used in metallurgical applications to alter material mechanical properties such as hardness and strength. Although these conventional heat treatments have been used for...
Korsunsky, AM, Vorster, WJJ, Zhang, SY, Dini, D, Latham, D, Golshan, M, ...
Residual stress in laser bent steel components (2006)
Topic, M, Bucher, R, Vorster, W, Zhang, SY, McGrath, P, Korsunsky, AM
Zhang, SY, Oliver, E, Santisteban, J, Korsunsky, AM
The aim of the study here is to present the concept of strain tomography using Bragg edge neutron transmission measurements. The principle of this novel approach is to analyze residual strain fields...
Feasibility study of neutron strain tomography
Abbey, B, Zhang, SY, Vorster, W, Korsunsky, AM
Extraction of information about residual elastic strain within the bulk is of primary importance in understanding deformation and stress within engineering components. Current techniques for mapping...
A study of residual stresses in vacuum plasma sprayed tungsten coatings
Jun, TS, Zhang, SY, Appleby-Thomas, G, Grant, PS, Korsunsky, AM
Thick tungsten (W) coatings are potential plasma facing materials in fusion reactors, but the coefficient of thermal expansion (CTE) mismatch between W and Cu or steel substrates leads to large...
High energy white beam X-ray diffraction studies of residual strains in engineering components
Zhang, SY, Vorster, WJJ, Jun, T, Song, X, Golshan, M, Laundy, D, ...
In order to predict the durability of engineering components and improve performance, it is mandatory to understand residual stresses. The last decade has witnessed a significant increase of residual...