693.932 PEOPLE
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| Naji, M. |
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| Petrov, R. H. | Madrid |
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Reinhard, Christina
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Publications (30/30 displayed)
- 2024Microscale stress-geometry interactions in an additively manufactured NiTi cardiovascular stent:A synchrotron dual imaging tomography and diffraction studycitations
- 2022Mechanical characterisation of V-4Cr-4Ti alloy:Tensile tests under high energy synchrotron diffractioncitations
- 2022Mechanical characterisation of V-4Cr-4Ti alloycitations
- 2022The effects of internal stresses on the creep deformation investigated using in-situ synchrotron diffraction and crystal plasticity modellingcitations
- 2022Investigating the mechanical behaviour of Fukushima MCCI using synchrotron Xray tomography and digital volume correlationcitations
- 2021In-situ Measurements of Stress During Thermal Shock in Clad Pressure Vessel Steel Using Synchrotron X-ray Diffractioncitations
- 2019Influence of microstructure on the corrosion of archaeological iron observed using 3D synchrotron micro-tomographycitations
- 2019Effect of Plasticity on Creep Deformation in Type 316h Stainless Steel
- 2018In-situ synchrotron X-ray radiography observation of primary Al2Cu intermetallic growth on fragments of aluminium oxide filmcitations
- 2018Validating 3D two-parameter fracture mechanics for structural integrity assessmentscitations
- 2018Measurements of Stress During Thermal Shock in Clad Reactor Pressure Vessel Material Using Time-resolved In-situ Synchrotron X-ray Diffraction
- 2018Measurements of stress during thermal shock in clad reactor pressure vessel material using time-resolved in-situ synchrotron X-ray diffractioncitations
- 2017In-situ synchrotron X-ray radiography observation of primary Al2Cu intermetallic growth on fragments of aluminium oxide filmcitations
- 2017A synchrotron X-radiography study of the fragmentation and refinement of primary intermetallic particles in an Al-35 Cu alloy induced by ultrasonic melt processingcitations
- 2016Observation and simulation of indentation damage in a SiC-SiC fibre ceramic matrix compositecitations
- 2016Observation and simulation of indentation damage in a SiC-SiCfibre ceramic matrix compositecitations
- 2016Simultaneous Differential Scanning Calorimetry-Synchrotron X-ray Powder Diffractioncitations
- 2015Structure-morphology correlation in electrospun fibers of semicrystalline polymers by simultaneous synchrotron SAXS-WAXDcitations
- 2015Electric-Field-Induced Domain Switching and Domain Texture Relaxations in Bulk Bismuth Ferritecitations
- 2015Yield behaviour beneath hardness indentations in ductile metals, measured by three-dimensional computed X-ray tomography and digital volume correlationcitations
- 2014In-situ investigation of microcrack formation and strains in Ag-Cu-based multi-metal matrix composites analysed by synchrotron radiationcitations
- 2014Tailoring of unipolar strain in lead-free piezoelectrics using the ceramic/ceramic composite approachcitations
- 2014Tailoring of unipolar strain in lead-free piezoelectrics using the ceramic/ceramic composite approach (vol 115, 124108, 2014)citations
- 2013Residual stresses in Linear Friction Welding of aluminium alloyscitations
- 2010Electron energy loss spectroscopy of nano-scale CrAlYN/CrN-CrAlY(O)N/Cr(O)N multilayer coatings deposited by unbalanced magnetron sputteringcitations
- 2009Influence of the bias voltage on the structure and mechanical performance of nanoscale multilayer CrAlYN/CrN physical vapor deposition coatingscitations
- 2009High temperature tribological performance of CrAlYN/CrN nanoscale multilayer coatings deposited on γ-TiAlcitations
- 2007CrN/NbN superlattice structured coatings with enhanced corrosion resistance achieved by high power impulse magnetron sputtering interface pre-treatmentcitations
- 2007Oxidation Behaviour of Nanoscale Multilayer CrAlYN/CrN Coatings Deposited by the Combined High Power Impulse Magnetron Sputtering/Unbalanced Magnetron Sputtering Techniquecitations
- 2006CrAlYN/CrN superlattice coatings deposited by the combined high power impulse magnetron sputtering/unbalanced magnetron sputtering techniquecitations
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document
Validating 3D two-parameter fracture mechanics for structural integrity assessments
Abstract
In-situ fracture tests were carried out on the I12 beamline at the Diamond Light Source. Four Al-Ti metal-matrix composites (MMCs), with varying combinations of thickness and crack length, were studied to assess for the impact of in-plane and out-of-plane constraint. Synchrotron X-ray computed tomography and synchrotron X-ray diffraction were used to measure total strain and elastic strain respectively. The total strain was calculated via digital volume correlation, with Ti particles within the MMC providing sufficient texture to track the internal displacement vectors in 3D. The total, elastic-plastic strain energy release rate, Jtotal was calculated from 2D slices extracted from the 3D displacement field, with Jtotal reaching a maximum value at the sample surface. It is, however, still unclear whether calculating Jtotal on a slice-by-slice basis provides an accurate representation of strain energy release rate across the crack front; techniques to evaluate the J-integral from the full 3D displacement field are being developed.