All Stories

  1. Investigation of creep cavitation mechanisms in ferritic Grade 91 steel

    Article • Materialia, December 2025, Elsevier

    Professor Jonathan Parker

  2. A unique high quality study to improve pipeline safety.

    Article • International Journal of Hydrogen Energy, November 2025, Elsevier

    Prof Emilio Martínez-Pañeda, Professor Jonathan Parker

  3. Virtual failure assessment diagrams for hydrogen transmission pipelines

    Article • International Journal of Hydrogen Energy, July 2025, Elsevier

    Professor Jonathan Parker, Prof Emilio Martínez-Pañeda

  4. Development of hybrid first principles – artificial intelligence models for transient modeling of power plant superheaters under load-following operation

    Article • Applied Thermal Engineering, March 2025, Elsevier

    Professor Jonathan Parker

  5. A computational framework to predict weld integrity and microstructural heterogeneity: Application to hydrogen transmission

    Article • Materials & Design, January 2025, Elsevier

    Prof Emilio Martínez-Pañeda, Professor Jonathan Parker

  6. Creep Ductility in 9Cr Creep Strength Enhanced Ferritic Steels - Part II, Microstructural Observations

    Article • October 2024, ASM International

    Professor Jonathan Parker

  7. Creep Ductility in 9Cr Creep Strength Enhanced Ferritic Steels - Part I, Structural Response

    Article • October 2024, ASM International

    Professor Jonathan Parker

  8. Creep Cavitation Imaging and Analysis in 9%Cr-1%Mo P91 Steels

    Article • October 2024, ASM International

    Professor Jonathan Parker

  9. Influence of Hardness on Hydrogen-Assisted Fracture in Pipeline Steels

    Article • September 2024, ASME International

    Professor Jonathan Parker

  10. Nonlinear state estimation of a power plant superheater by using the extended Kalman filter for differential algebraic equation systems

    Article • Applied Thermal Engineering, August 2024, Elsevier

    Professor Jonathan Parker

  11. Creep-Fatigue Life Evaluation for Grade 91 Steels with Various Origins and Service Histories

    Article • Metals, January 2024, MDPI AG

    Professor Jonathan Parker

  12. Computational predictions of weld structural integrity in hydrogen transport pipelines

    Article • International Journal of Hydrogen Energy, January 2024, Elsevier

    Prof Emilio Martínez-Pañeda, Professor Jonathan Parker

  13. Fatigue and Fracture Behavior of Vintage Pipelines in Gaseous Hydrogen Environment

    Article • July 2023, ASME International

    Professor Jonathan Parker

  14. Requirements for and challenges in developing improved creep ductility-based constitutive models for tempered martensitic CSEF steels

    Article • Journal of Materials Research and Technology, March 2022, Elsevier

    Professor Jonathan Parker

  15. Creep crack growth modelling of Grade 91 vessel weldments using a modified ductility based damage model

    Article • European Journal of Mechanics - A/Solids, January 2022, Elsevier

    Professor Jonathan Parker

  16. Modelling of a Grade 91 power plant pressurised header weldment under ultra super-critical creep conditions

    Article • International Journal of Pressure Vessels and Piping, August 2021, Elsevier

    Professor Jonathan Parker

  17. Use of a stepped preparation to improve the damage tolerance of grade 91 steel welds

    Article • Materials at High Temperatures, June 2021, Taylor & Francis

    Professor Jonathan Parker

  18. Influence of microstructure on cavitation in the heat affected zone of a Grade 92 steel weld during long-term high temperature creep

    Article • Materials Characterization, December 2020, Elsevier

    Professor Jonathan Parker

  19. Localised creep cavitation on boron nitride in the heat affected zone of 9% Cr tempered martensitic steel welds

    Article • Materials & Design, November 2020, Elsevier

    Professor Jonathan Parker

  20. Creep damage in long-term grade 91 steel component tests

    Article • Materials at High Temperatures, August 2020, Taylor & Francis

    Professor Jonathan Parker

  21. A Summary of 10 Years Research on Grade 91 and Grade 92 Steel

    Article • October 2019, ASM International

    Professor Jonathan Parker

  22. Assessment and Quantification of Damage in the Grade 91 Steel Partially Transformed Zone

    Article • October 2019, ASM International

    Professor Jonathan Parker

  23. Manufacture and Performance of Welds in Creep Strength Enhanced Ferritic Steels

    Article • Materials, July 2019, MDPI AG

    Professor Jonathan Parker

  24. Cross-Weld Creep Performance in Grade 91 Steel: Macro-Based Assessment

    Article • Welding Journal, March 2019, American Welding Society

    Professor Jonathan Parker

  25. Effect of Simulated Heat Affected Zone Thermal Cycle on the Creep Deformation and Damage Response of Grade 91 Steel Including Heat-to-Heat Variation

    Article • July 2018, ASME International

    Professor Jonathan Parker

  26. Creep Deformation Analyses for Grade 91 Steels Considering Heat-to-Heat Variation

    Article • July 2018, ASME International

    Professor Jonathan Parker

  27. Microstructure Features Contributing to Heat Affected Zone Damage in Grade 91 Steel Feature Type Cross-Weld Tests

    Article • April 2018, ASME International

    Professor Jonathan Parker

  28. Effect of PWHT on the Fracture Toughness and Burst Test Response of Grade 91 Tube Weldments

    Article • April 2018, ASME International

    Professor Jonathan Parker

  29. Application of a Physically-Based Creep Continuum Damage Mechanics Constitutive Model to the Serviceability Assessment of a Large Bore Branch Connection

    Article • April 2018, ASME International

    Professor Jonathan Parker

  30. Creep fracture in tempered martensitic steels

    Article • International Journal of Petrochemical Science & Engineering, January 2018, MedCrave Group LLC

    Professor Jonathan Parker

  31. Metallurgical and Stress State Factors Which Affect the Creep and Fracture Behavior of 9% Cr Steels

    Article • Advances in Materials Science and Engineering, January 2018, Hindawi Publishing Corporation

    Professor Jonathan Parker

  32. The creep and fracture behaviour of tempered martensitic steels

    Article • Materials at High Temperatures, October 2017, Taylor & Francis

    Professor Jonathan Parker

  33. Linking Performance of Parent Grade 91 Steel to the Cross-Weld Creep Performance Using Feature Type Tests

    Article • October 2016, ASM International

    Professor Jonathan Parker

  34. Evaluation of the creep cavitation behavior in Grade 91 steels

    Article • International Journal of Pressure Vessels and Piping, February 2016, Elsevier

    Professor Jonathan Parker

  35. Weld repair of Grade 91 piping and components in power generation applications, creep performance of repair welds

    Article • Materials at High Temperatures, January 2016, Taylor & Francis

    Professor Jonathan Parker

  36. Electromagnetic evaluation of the microstructure of Grade 91 tubes/pipes

    Article • International Journal of Pressure Vessels and Piping, August 2015, Elsevier

    Professor Jonathan Parker

  37. Weld repair of grade 91 piping and components in power generation applications, creep performance of repair welds

    Article • Materials at High Temperatures, June 2015, Maney Publishing

    Professor Jonathan Parker

  38. Creep fatigue interactions in power plant components

    Article • Materials at High Temperatures, November 2014, Taylor & Francis

    Professor Jonathan Parker

  39. Microstructure and creep behaviour of pressure boundary welds from Grade 91 steel tee

    Article • Materials at High Temperatures, April 2014, Taylor & Francis

    Professor Jonathan Parker

  40. In-service behaviour of creep strength enhanced ferritic steels Grade 91 and Grade 92 – Part 2 weld issues

    Article • International Journal of Pressure Vessels and Piping, February 2014, Elsevier

    Professor Jonathan Parker

  41. Factors Affecting the High Temperature Performance of Creep Strength Enhanced Ferritic Steels

    Article • January 2014, Springer Science + Business Media

    Professor Jonathan Parker

  42. Creep performance of a grade 91 header

    Article • International Journal of Pressure Vessels and Piping, November 2013, Elsevier

    Professor Jonathan Parker, Dr Stephen James Brett

  43. Weld Repair Grade 91 steel

    Article • Science and Technology of Welding & Joining, August 2013, Taylor & Francis

    Professor Jonathan Parker

  44. Factors affecting Type IV creep damage in Grade 91 steel welds

    Article • Materials Science and Engineering A, August 2013, Elsevier

    Professor Jonathan Parker

  45. Optimization of Vickers Hardness Parameters for Micro- And Macro-Indentation of Grade 91 Steel

    Article • Journal of Testing and Evaluation, July 2013, ASTM International

    Professor Jonathan Parker

  46. Assessment of the Tempering Behavior of Grade 91 Steel

    Article • Materials Performance and Characterization, May 2013, ASTM International

    Professor Jonathan Parker

  47. In-service behavior of creep strength enhanced ferritic steels Grade 91 and Grade 92 – Part 1 parent metal

    Article • International Journal of Pressure Vessels and Piping, January 2013, Elsevier

    Professor Jonathan Parker

  48. EPRI Guidelines for Fabrication of Components Manufactured From Grade 91 Steel

    Article • July 2012, ASME International

    Professor Jonathan Parker

  49. The Effect of Ovality and Thickness Variations on Stress Analysis of Tube Bends Under Internal Pressure

    Article • July 2012, ASME International

    Professor Jonathan Parker

  50. Creep Fatigue Behavior of Creep Strength Enhanced Ferritic Steels

    Article • Journal of ASTM International, September 2011, ASTM International

    Professor Jonathan Parker

  51. Life management of creep strengthened ferritic steels in boilers and piping

    Article • Energy Materials, June 2007, Taylor & Francis

    Professor Jonathan Parker

  52. Creep-Fatigue Damage: An International Perspective

    Article • January 2007, ASME International

    Professor Jonathan Parker

  53. The Performance of Creep-Strengthened Ferritic Steels in Power Generating Plant

    Article • January 2007, ASME International

    Professor Jonathan Parker

  54. Review of resistance spot welding of steel sheets Part 1 Modelling and control of weld nugget formation

    Article • International Materials Reviews, April 2004, Taylor & Francis

    Professor Jonathan Parker

  55. Review of resistance spot welding of steel sheets Part 2 Factors influencing electrode life

    Article • International Materials Reviews, April 2004, Taylor & Francis

    Professor Jonathan Parker

  56. The use of internal friction techniques as a quality control tool in the mild steel industry

    Article • Journal of Materials Processing Technology, December 2003, Elsevier

    Professor Jonathan Parker

  57. Weld growth mechanism of resistance spot welds in zinc coated steel

    Article • Journal of Materials Processing Technology, December 2003, Elsevier

    Professor Jonathan Parker

  58. Mechanism of bake hardening in ultralow carbon steel containing niobium and titanium additions

    Article • Materials Science and Technology, May 2002, Taylor & Francis

    Professor Jonathan Parker

  59. The potential drop method for monitoring crack growth in real components subjected to combined fatigue and creep conditions: application of FE techniques for deriving calibration curves

    Article • International Journal of Pressure Vessels and Piping, November 2001, Elsevier

    Professor Jonathan Parker

  60. Coating microstructure development during Zinquench galvanising of sheet steel

    Article • Ironmaking & Steelmaking Processes Products and Applications, December 1999, Taylor & Francis

    Professor Jonathan Parker

  61. Creep and fracture behaviour of English Electric Mark III transition welds

    Article • International Journal of Pressure Vessels and Piping, February 1998, Elsevier

    Professor Jonathan Parker

  62. Creep and fracture behaviour of English Electric Mark III transition welds

    Article • International Journal of Pressure Vessels and Piping, February 1998, Elsevier

    Professor Jonathan Parker

  63. Strain localization in creep testing of samples with heterogeneous microstructures

    Article • International Journal of Pressure Vessels and Piping, September 1996, Elsevier

    Professor Jonathan Parker

  64. Mechanism of formation of solute bands in resistance seam welds of mild steel

    Article • Materials Science and Technology, August 1996, Maney Publishing

    Professor Jonathan Parker

  65. Mechanism of formation of solute bands in resistance seam welds of mild steel

    Article • Materials Science and Technology, August 1996, Taylor & Francis

    Professor Jonathan Parker

  66. Effect of heat treatment on creep and fracture behaviour of 1·25Cr–O·5Mo steel

    Article • Materials Science and Technology, December 1995, Maney Publishing

    Professor Jonathan Parker

  67. Effect of heat treatment on creep and fracture behaviour of 1·25Cr–O·5Mo steel

    Article • Materials Science and Technology, December 1995, Taylor & Francis

    Professor Jonathan Parker

  68. Factors Affecting the Grain Growth of Austenite in Low Alloy Steel

    Article • Key Engineering Materials, March 1995, Trans Tech Publications

    Professor Jonathan Parker

  69. Factors Affecting Deformation of Electrodes when Resistance Spot Welding Coated Steel

    Article • Key Engineering Materials, March 1995, Trans Tech Publications

    Professor Jonathan Parker

  70. Influence of Welding Speed on the Solidification Structures when Resistance Seam Welding Thin Mild Steel Sheet

    Article • Key Engineering Materials, March 1995, Trans Tech Publications

    Professor Jonathan Parker

  71. Creep behaviour of low alloy steel weldments

    Article • International Journal of Pressure Vessels and Piping, January 1995, Elsevier

    Professor Jonathan Parker

  72. Effect of thermal cycling on creep behaviour of 2·25Cr–1 Mo/type 316 steel dissilllilar Illetal vvelds

    Article • Materials Science and Technology, October 1994, Taylor & Francis

    Professor Jonathan Parker

  73. The tempering performance of low-alloy steel weldments

    Article • International Journal of Pressure Vessels and Piping, January 1994, Elsevier

    Professor Jonathan Parker

  74. Creep Deformation and Fracture Behaviour of Low Alloy Steel Weldments

    Article • Key Engineering Materials, July 1993, Trans Tech Publications

    Professor Jonathan Parker

  75. Measurement of Critical Properties in 2 1/4Cr1Mo Steel Using Miniature Disc Testing Procedures

    Article • Key Engineering Materials, July 1993, Trans Tech Publications

    Professor Jonathan Parker

  76. Recent Advances in the Assessment of the High Temperature Performance of Low Alloy Steel Components

    Article • Key Engineering Materials, January 1992, Trans Tech Publications

    Professor Jonathan Parker

  77. The high temperature deformation and fracture of mild steel weldments in thick section pipe

    Article • International Journal of Pressure Vessels and Piping, January 1992, Elsevier

    Professor Jonathan Parker

  78. Prediction of Creep Deformation and Failure for 1/2 Cr-1/2 Mo-1/4 V and 2-1/4 Cr-1 Mo Steels

    Article • Journal of Pressure Vessel Technology, January 1985, ASME International

    Professor Jonathan Parker

  79. Prediction of the Service Behaviour of 2¼ Cr-1 Mo Steel Components in Electricity Generating Plant

    Article • January 1985, Elsevier

    Professor Jonathan Parker

  80. Deformation and fracture processes during creep of ferritic steel

    Article • Mechanics of Materials, May 1982, Elsevier

    Professor Jonathan Parker

  81. Rate-controlling processes during creep of super-purity aluminium

    Article • Philosophical Magazine A, May 1980, Taylor & Francis

    Professor Jonathan Parker

  82. The effects of prestrain on the creep and fracture behavior of polycrystalline copper

    Article • Materials Science and Engineering, May 1980, Elsevier

    Professor Jonathan Parker

  83. Anomalous primary creep behaviour of dilute aluminium-silicon alloys

    Article • Scripta Metallurgica, August 1979, Elsevier

    Professor Jonathan Parker

  84. Friction-stress measurements during high-temperature creep of polycrystalline copper

    Article • Metal Science, October 1978, Maney Publishing

    Professor Jonathan Parker

  85. A surface measurement study of grain-boundary sliding during creep of a two-phase, copper-cobalt alloy

    Article • Materials Science and Engineering, August 1977, Elsevier

    Professor Jonathan Parker

  86. Deviations from power law representations for creep at high strain rates

    Article • Scripta Metallurgica, March 1977, Elsevier

    Professor Jonathan Parker

  87. On the subgrain size dependence of creep

    Article • The Philosophical Magazine A Journal of Theoretical Experimental and Applied Physics, September 1976, Taylor & Francis

    Professor Jonathan Parker

  88. The Effect of a Dispersion of Cobalt Particles on High-Temperature Creep of Copper

    Article • Metal Science, January 1975, Maney Publishing

    Professor Jonathan Parker

  89. Creep Fatigue Behavior of Creep Strength Enhanced Ferritic Steels

    Article • ASTM International

    Professor Jonathan Parker