Find Research Outputs

Search results

• Article

  Finite Element Analysis of Laser Peening of Thin Aluminum Structures

  Langer, K., Spradlin, T. & Fitzpatrick, M., 6 Jan 2020, In: Metals. 10, 1, 16 p., 93.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Shot peening
  • Aluminum
  • Lasers
  • Finite element method
  • Surface treatment
  2 Citations (Scopus)

  10 Downloads (Pure)

• Germanium diffusion in aluminium: connection between point defect parameters with bulk properties

  Ganniari-Papageorgiou, E., Fitzpatrick, M. E. & Chroneos, A., 28 Jul 2015, In: Journal of Materials Science: Materials in Electronics. 26, 11, p. 8421-8424

  Research output: Contribution to journal › Article

  Open Access

  File

  • Germanium
  • Point defects
  • Aluminum
  • point defects
  • germanium
  6 Citations (Scopus)

  17 Downloads (Pure)

• High strain-rate material model validation for laser peening simulation

  Langer, K., Olson, S., Brockman, R., Braisted, W., Spradlin, T. & Fitzpatrick, M. E., 2015, In: The Journal of Engineering. September 2015

  Research output: Contribution to journal › Article

  Open Access

  File

  • Shot peening
  • Strain rate
  • Lasers
  • Compression testing
  • Residual stresses
  78 Downloads (Pure)

• Improvement of the Contour Method for Measurement of Near-Surface Residual Stresses from Laser Peening

  Torpali, M. B., Fitzpatrick, M. E. & Gungor, S., May 2013, In: Experimental Mechanics. 53, 9, p. 1705-1718

  Research output: Contribution to journal › Article

  Open Access

  • Shot peening
  • Residual stresses
  • Lasers
  • X ray diffraction
  • Splines
  27 Citations (Scopus)

• Influence of cooling rate on the precipitation kinetics of nanoscale isothermal ω-phase in metastable β-Ti alloy, Ti–5Al–5Mo–5V–3Cr

  Sharma, D., Parfitt, D., Chen, B., Roebuck, B., Venero, D. A., Kada, S. R., Fabijanic, D. & Fitzpatrick, M. E., 6 Nov 2020, In: Journal of Alloys and Compounds. (In-Press), p. (In-Press) 157822.

  Research output: Contribution to journal › Article › peer-review

  • Precipitates
  • Cooling
  • Water
  • Neutron scattering
  • Aging of materials

• In situ observation of strain and phase transformation in plastically deformed 301 austenitic stainless steel

  Das, Y. B., Forsey, A. N., Simm, T. H., Perkins, K. M., Fitzpatrick, M. E., Gungor, S. & Moat, R. J., 16 Sep 2016, In: Materials & Design. 112, p. 107-116

  Research output: Contribution to journal › Article

  Open Access

  File

  • Phase transitions
  • Austenitic stainless steel
  • Transformation Induced Plasticity steel
  • Electron diffraction
  • Martensitic transformations
  35 Citations (Scopus)

  148 Downloads (Pure)

• Instantaneous vehicle fuel consumption estimation using smartphones and Recurrent Neural Networks

  Kanarachos, S., Mathew, J. & Fitzpatrick, M., 15 Apr 2019, In: Expert Systems with Applications. 120, p. 436-447 12 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Recurrent neural networks
  • Smartphones
  • Fuel consumption
  • Monitoring
  • Air pollution
  10 Citations (Scopus)

  77 Downloads (Pure)

• Intrinsic defect processes and elastic properties of Ti3AC2 (A = Al, Si, Ga, Ge, In, Sn) MAX phases

  Christopoulos, S., Filippatos, P-P., Hadi, M. A., Kelaidis, N., Fitzpatrick, M. & Chroneos, A., 14 Jan 2018, In: Journal of Applied Physics. 123, 2, 025103.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • elastic properties
  • defects
  • nuclear fuels
  • operating temperature
  • transition metals
  15 Citations (Scopus)

  61 Downloads (Pure)

• Investigation of oxygen self-diffusion in PuO2 by combining molecular dynamics with thermodynamic calculations

  Saltas, V., Chroneos, A., Cooper, M. W. D., Fitzpatrick, M. E. & Vallianatos, F., 26 Oct 2016, In: RSC Advances. 6, 105, p. 103641-103649 9 p.

  Research output: Contribution to journal › Article

  Open Access

  File

  • Molecular dynamics
  • Chemical activation
  • Thermodynamics
  • Oxygen
  • Plutonium
  5 Citations (Scopus)

  21 Downloads (Pure)

• Mapping residual strain induced by cold working and by laser shock peening using neutron transmission spectroscopy

  Ramadhan, R. S., Syed, A. K., Tremsin, A. S., Kockelmann, W., Dalgliesh, R., Chen, B., Parfitt, D. & Fitzpatrick, M. E., 5 Apr 2018, In: Materials and Design. 143, p. 56-64 9 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Cold working
  • Shot peening
  • Spectroscopy
  • Neutrons
  • Lasers
  11 Citations (Scopus)

  24 Downloads (Pure)

• Measurement and Modelling of Residual Stress in Wire-Feed Additively Manufactured Titanium

  Ahmed, B., van der Veen, S., Fitzpatrick, M. & Guo, H., 2018, In: Materials Science and Technology. 34, 18, p. 2250-2259 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Titanium
  • residual stress
  • Residual stresses
  • titanium
  • Wire
  6 Citations (Scopus)

  13 Downloads (Pure)

• Measurement of the evolution of internal strain and load partitioning in magnesium hybrid composites under compression load using in-situ synchrotron X-ray diffraction analysis

  Meixner, M., Fitzpatrick, M. E. & Reimers, W., 17 Jan 2011, In: Composites Science and Technology. 71, 2, p. 167-176 10 p.

  Research output: Contribution to journal › Article › peer-review

  • Synchrotrons
  • X ray diffraction analysis
  • Magnesium
  • Compaction
  • Composite materials
  12 Citations (Scopus)

• Microstructure, tensile and creep properties of an austenitic ODS 316L steel

  Leo, J. R. O., Pirfo Barroso, S., Fitzpatrick, M. E., Wang, M. & Zhou, Z., 11 Mar 2019, In: Materials Science and Engineering A. 749, p. 158-165 8 p.

  Research output: Contribution to journal › Article › peer-review

  • tensile creep
  • creep properties
  • Oxides
  • Steel
  • tensile properties
  5 Citations (Scopus)

• Minimization and Mitigation of Wire EDM Cutting Errors in the Application of the Contour Method of Residual Stress Measurement

  Ahmed, B. & Fitzpatrick, M. E., Jan 2016, In: Metallurgical and Materials Transactions A. 47, 1, p. 301-313

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Stress measurement
  • stress measurement
  • residual stress
  • Residual stresses
  • Wire
  12 Citations (Scopus)

  101 Downloads (Pure)

• Modelling of an imaging beamline at the ISIS pulsed neutron source

  Burca, G., Kockelmann, W., James, J. A. & Fitzpatrick, M. E., 2013, In: Journal of Instrumentation. 8, October 2013

  Research output: Contribution to journal › Article

  Open Access

  • Neutron sources
  • Neutron
  • Imaging
  • Neutrons
  • neutron sources
  12 Citations (Scopus)

• Modelling oxygen self-diffusion in UO2 under pressure

  Cooper, M. W. D., Grimes, R. W., Fitzpatrick, M. E. & Chroneos, A., 22 Oct 2015, In: Solid State Ionics. 282, p. 26-30

  Research output: Contribution to journal › Article

  Open Access

  File

  • Oxygen
  • oxygen
  • Hydrostatic pressure
  • nuclear fuels
  • Nuclear fuels
  36 Citations (Scopus)

  33 Downloads (Pure)

• Neutron diffraction residual stress measurements on girth-welded 304 stainless steel pipes with weld metal deposited up to half and full pipe wall thickness

  Haigh, R. D., Hutchings, M. T., Games, J. A., Ganguly, S., Mizuno, R., Ogawa, K., Okido, S., Paradowska, A. M. & Fitzpatrick, M. E., Jan 2013, In: International Journal of Pressure Vessels and Piping. 101, January 2013, p. 1-11

  Research output: Contribution to journal › Article

  Open Access

  • Neutron diffraction
  • Stress measurement
  • Steel pipe
  • Austenitic stainless steel
  • Metals
  17 Citations (Scopus)

• Optimal design of a quadratic parameter varying vehicle suspension system using contrast-based Fruit Fly Optimisation

  Kanarachos, S., Dizqah, A. M., Chrysakis, G. & Fitzpatrick, M. E., 1 Jan 2018, In: Applied Soft Computing. 62, p. 463-477 15 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Vehicle suspensions
  • Fruits
  • Global optimization
  • Brain
  • Damping
  23 Citations (Scopus)

  153 Downloads (Pure)

• Oxygen self-diffusion in ThO2 under pressure: connecting point defect parameters with bulk properties

  Cooper, M. W. D., Fitzpatrick, M. E., Tsoukalas, L. H. & Chroneos, A., 2016, In: Materials Research Express.

  Research output: Contribution to journal › Article

  Open Access

  File

  • Point defects
  • Hydrostatic pressure
  • Oxygen
  • Nuclear fuels
  • Molecular dynamics
  3 Citations (Scopus)

  25 Downloads (Pure)

• Physical properties and defect processes of M3SnC2 (M = Ti, Zr, Hf) MAX phases: Effect of M-elements

  Hadi, M. A., Christopoulos, S., Naqib, S. H., Chroneos, A., Fitzpatrick, M. & Islam, A. K. M. A., 5 Jun 2018, In: Journal of Alloys and Compounds. 748, p. 804-813 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Fermi surface
  • Debye temperature
  • Lattice constants
  • Electronic density of states
  • Physical properties
  21 Citations (Scopus)

  30 Downloads (Pure)

• Prediction of welding residual stresses using machine learning: Comparison between neural networks and neuro-fuzzy systems

  Mathew, J., Griffin, J., Alamaniotis, M., Kanarachos, S. & Fitzpatrick, M., Sep 2018, In: Applied Soft Computing. 70, p. 131-146 15 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Fuzzy systems
  • Residual stresses
  • Welding
  • Machine learning
  • Neural networks
  18 Citations (Scopus)

  124 Downloads (Pure)

• Probabilistic kernel machines for predictive monitoring of weld residual stress in energy systems

  Alamaniotis, M., Mathew, J., Chroneos, A., Fitzpatrick, M. & Tsoukolas, L., May 2018, In: Engineering Applications of Artificial Intelligence. 71, p. 138-154 16 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Residual stresses
  • Welds
  • Linear regression
  • Steel pipe
  • Monitoring
  6 Citations (Scopus)

  26 Downloads (Pure)

• Problems in using a comb sample as a stress-free reference for the determination of welding residual stress by diffraction

  Ganguly, S., Edwards, L. & Fitzpatrick, M. E., 25 Jan 2011, In: Materials Science and Engineering A. 528, 3, p. 1226-1232 7 p.

  Research output: Contribution to journal › Article › peer-review

  • Diffraction
  • welding
  • residual stress
  • Residual stresses
  • Welding
  20 Citations (Scopus)

• Reactor pressure vessel embrittlement: Insights from neural network modelling

  Mathew, J., Parfitt, D., Wilford, K., Riddle, N., Alamaniotis, M., Chroneos, A. & Fitzpatrick, M. E., 15 Apr 2018, In: Journal of Nuclear Materials. 502, p. 311-322 12 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • pressure vessels
  • Embrittlement
  • embrittlement
  • Pressure vessels
  • reactors
  9 Citations (Scopus)

  32 Downloads (Pure)

• Recovery of fatigue life using laser peening on 2024‐T351 aluminium sheet containing scratch damage: The role of residual stress

  Smyth, N., Toparli, M. B., Fitzpatrick, M. & Irving, P. E., 1 May 2019, In: Fatigue and Fracture of Engineering Materials and Structures. 42, 5, p. 1161-1174 14 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Aluminum sheet
  • Shot peening
  • Residual stresses
  • Lasers
  • Fatigue of materials
  8 Citations (Scopus)

  13 Downloads (Pure)

• Research on energy consumption and energy efficiency of machine tools: a comprehensive survey

  Caires Moreira, L., Li, W., Fitzpatrick, M., Lu, X. & Li, X., 2018, In: International Journal of Nanomanufacturing. 14, 2, p. 140-164 25 p.

  Research output: Contribution to journal › Article › peer-review

  • Machine tools
  • Energy efficiency
  • Energy utilization
  • Sustainable development
  • Climate change
  2 Citations (Scopus)

• Residual stress and texture control in Ti-6Al-4V wire + arc additively manufactured intersections by stress relief and rolling

  Honnige, J. R., Colegrove, P. A., Ahmed, B., Fitzpatrick, M., Ganguly, S., Lee, T. L. & Williams, S. W., 15 Jul 2018, In: Materials & Design. 150, p. 193-205 13 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Stress relief
  • Residual stresses
  • Textures
  • Wire
  • Neutron diffraction
  51 Citations (Scopus)

  34 Downloads (Pure)

• Residual stress characterization of single and triple-pass autogenously welded stainless steel pipes

  Haigh, R. D., Hutchings, M. T., Fitzpatrick, M. E., James, J. A., Okido, S., Mizuno, R., Ogawa, K. & Hughes, D. J., Aug 2016, In: International Journal of Pressure Vessels and Piping. 144, p. 1–10

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Stainless Steel
  • Steel pipe
  • Residual stresses
  • Stainless steel
  • Pipe
  20 Downloads (Pure)

• Residual stresses in aerospace structures reinforced with bonded crack retarders

  Syed, A. K., Fitzpatrick, M. E. & Moffatt, J. E., 2016, In: Journal of Strain Analysis for Engineering Design. 51, 2, p. 170-175

  Research output: Contribution to journal › Article

  Open Access

  File

  • Residual Stress
  • Crack
  • Residual stresses
  • Cracks
  • Fatigue
  1 Citation (Scopus)

  55 Downloads (Pure)

• Residual stresses induced by laser shock peening in orthopaedic Ti-6Al-7Nb alloy

  Shen, X., Shukla, P., Subramaniyan, A. K., Zammit, A., Swanson, P., Lawrence, J. & Fitzpatrick, M. E., Nov 2020, In: Optics and Laser Technology. 131, 106446.

  Research output: Contribution to journal › Article › peer-review

  • Ti-6Al-7Nb alloy
  • peening
  • orthopedics
  • Shot peening
  • Orthopedics
  2 Citations (Scopus)

• Residual Stress Evaluation in Selective-Laser-Melting Additively Manufactured Titanium (Ti-6Al-4V) and Inconel 718 using the Contour Method and Numerical Simulation

  Ahmed, B., van der Veen, S., Fitzpatrick, M. & Guo, H., Aug 2018, In: Additive Manufacturing. 22, p. 571-582 12 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Selective laser melting
  • Titanium
  • Residual stresses
  • Computer simulation
  • Titanium alloys
  36 Citations (Scopus)

  236 Downloads (Pure)

• Robust Virtual Sensing for Vehicle Agile Manoeuvring: A Tyre-model-less Approach

  Acosta, M., Kanarachos, S. & Fitzpatrick, M., Mar 2018, In: IEEE Transactions on Vehicular Technology. 67, 3, p. 1894-1908

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Tire
  • Sensing
  • Tires
  • Sensor
  • Driver
  10 Citations (Scopus)

  187 Downloads (Pure)

• Supervision Controller for Real-time Surface Quality Assurance in CNC Machining using Artificial Intelligence

  Caires Moreira, L., Li, W., Lu, X. & Fitzpatrick, M., Jan 2019, In: Computers & Industrial Engineering. 127, p. 158-168 11 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Quality assurance
  • Surface properties
  • Artificial intelligence
  • Machining
  • Controllers
  6 Citations (Scopus)

  34 Downloads (Pure)

• Surface preparation for residual stress measurement of an accelerated corrosion tested welded marine steel

  Ahmed, B. & Fitzpatrick, M. E., 2015, In: Corrosion Science. 91, p. 357–360

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Stress measurement
  • Steel
  • Residual stresses
  • Corrosion
  • Neutron diffraction
  2 Citations (Scopus)

  111 Downloads (Pure)

• Synchrotron X-ray diffraction measurements of internal stresses during loading of steel-based metal matrix composites reinforced with TiB2 particles

  Bacon, D. H., Edwards, L., Moffatt, J. E. & Fitzpatrick, M. E., 1 May 2011, In: Acta Materialia. 59, 9, p. 3373-3383 11 p.

  Research output: Contribution to journal › Article › peer-review

  • Synchrotrons
  • Steel
  • X ray diffraction
  • Metals
  • Residual stresses
  31 Citations (Scopus)

• TEM study of the effect of high-temperature thermal cycles on the stability of the Y-Al-O oxides in MA956 ODS steel

  Leo, J. R. O., Moturu, S. R. & Fitzpatrick, M. E., 1 Sep 2019, In: Journal of Materials Research and Technology. 8, 5, p. 3719-3725 7 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Oxides
  • Steel
  • Transmission electron microscopy
  • Hot Temperature
  • Temperature
  1 Citation (Scopus)

  10 Downloads (Pure)

• The effect of compressive fatigue loads on fatigue strength of non-load carrying specimens subjected to ultrasonic impact treatment

  Polezhayeva, H., Howarth, D., Kumar, M., Ahmed, B. & Fitzpatrick, M. E., 2015, In: Welding in the World. 59, 5, p. 713-721

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Compressive stress
  • Ultrasonics
  • Fatigue of materials
  • Ocean structures
  • Residual stresses
  9 Citations (Scopus)

• The Effect of Hot Deformation Parameters on Microstructure Evolution of the α-Phase in Ti-6Al-4V

  Perumal, B., Rist, M. A., Gungor, S., Brooks, J. W. & Fitzpatrick, M. E., Aug 2016, In: Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. 47, 8, p. 4128-4136 9 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • forging
  • Hot working
  • Forging
  • hot working
  • Microstructure
  15 Citations (Scopus)

  23 Downloads (Pure)

• The effect of laser shock peening on hardness and microstructure in a welded marine steel

  Ahmed, B. & Fitzpatrick, M. E., 2015, In: The Journal of Engineering. July 2015

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Shot peening
  • Hardness
  • Lasers
  • Microstructure
  • Steel
  46 Downloads (Pure)

• The effect of material cyclic deformation properties on residual stress generation by laser shock processing

  Angulo, I., Cordovilla, F., García-Beltrán, A., Smyth, N. S., Langer, K., Fitzpatrick, M. E. & Ocaña, J. L., 1 Jun 2019, In: International Journal of Mechanical Sciences. 156, p. 370-381 12 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • residual stress
  • Residual stresses
  • shock
  • Lasers
  • lasers
  6 Citations (Scopus)

  16 Downloads (Pure)

• The influence of temperature on deformation-induced martensitic transformation in 301 stainless steel

  Das, Y. B., Forsey, A. N., Kelleher, J., Kabra, S., Fitzpatrick, M. E., Simm, T. H., Gungor, S. & Moat, R. J., 22 Nov 2018, In: Materials Science and Technology (United Kingdom). 34, 17, p. 2114-2125 12 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Martensitic transformations
  • Martensite
  • martensitic transformation
  • Austenitic stainless steel
  • stainless steels
  3 Citations (Scopus)

• Thermodynamic calculations of oxygen self-diffusion in mixed-oxide nuclear fuels

  Parfitt, D. C., Cooper, M. W. D., Rushton, M. J. D., Christopoulos, S-R. G., Fitzpatrick, M. E. & Chroneos, A., 29 Jul 2016, In: RSC Advances. 6, p. 74018-74027 10 p.

  Research output: Contribution to journal › Article

  Open Access

  File

  • Mixed oxide fuels
  • uranium dioxide
  • Thorium
  • Thermodynamics
  • Oxygen
  10 Citations (Scopus)

  28 Downloads (Pure)

• The τ-plot, a multicomponent 1-D pole figure plot, to quantify the heterogeneity of plastic deformation

  Simm, T. H., Das, Y. B., Forsey, A. N., Gungor, S., Fitzpatrick, M. E., Prakash, D. G. L., Moat, R. J., Birosca, S., Quinta da Fonseca, J. & Perkins, K. M., Feb 2020, In: Materials Characterization. 160, 110114.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Plastic deformation
  • plastic deformation
  • poles
  • Poles
  • plots
• Abstract

  Computational modelling to enhance safety of operating nuclear power plants

  Mathew, J., Christopoulos, S., Chroneos, A., Parfitt, D. & Fitzpatrick, M., 13 Oct 2016.

  Research output: Contribution to conference › Abstract

• Disordered Ionic Conductors

  Kordatos, A., Christopoulos, S., Fitzpatrick, M. & Chroneos, A., 8 Sep 2016.

  Research output: Contribution to conference › Abstract

  • conductors
  • solid oxide fuel cells
  • energy storage
  • electric power
  • electric batteries

• Stabilization of Zrn+1AlCn MAX Phases: Issues and Achievements

  Zapata-Solvas, E., Christopoulos, S., Fitzpatrick, M., Chroneos, A. & Lee, W. E., 23 Oct 2016.

  Research output: Contribution to conference › Abstract › peer-review

  Open Access

  • Nuclear reactors
  • Stabilization
  • Accidents
  • Phase stability
  • Zircaloy