Articles by Dr. David Kirk

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  • Relationships between Almen Strip Thickness and Arc Heights
  • Year: 2003, Source: The Shot Peener magazine, Vol 16 / Issue 4, Winter 2003
  • Introduction When clamped Almen strips are being peened, a complex curvature is introduced (see Fig 1) where the vertical scale has been deliberately exaggerated. 'Curvature' is defined as 1/R where R...

  • Morphology of Shot Peening Indentations
  • Year: 2003, Source: The Shot Peener magazine, Vol 17 / Issue 2, Spring 2003
  • Introduction 'Morphology' is the science of shape. Shot peening necessarily involves the production of indentations in the component's surface. This article is concerned with the morphology of those i...

  • Shot Particle Shapes
  • Year: 2003, Source: The Shot Peener magazine, Vol 17 / Issue 4, Fall 2003
  • INTRODUCTION The ideal shape for a shot particle is a sphere, but real shot particles are not perfect spheres. The most commonly employed media are cast steel and iron shot, cut steel wire shot, glass...

  • Surface Heating Caused by Peening
  • Year: 2003, Source: The Shot Peener magazine, Vol 17 / Issue 3, Summer 2003
  • Introduction Shot particles striking a component's surface lose part of their kinetic energy to that surface. This loss of impact energy is to be welcomed. If no energy were lost then the peening wou...

  • Coverage: Development, Measurement, Control and Significance
  • Year: 2002, Source: The Shot Peener magazine, Vol 16/ Issue 3, Fall 2002
  • Introduction The prime objective with shot peening is to induce a 'skin' of compressively-stressed material that will improve the service performance of components. A necessary corollary of peening is...

  • Curve Fitting for Shot Peening Data Analysis
  • Year: 2002, Source: The Shot Peener magazine, Vol 16 / Issue 1, Spring 2002
  • Introduction Data abounds in shot peening. We have Almen arc heights, peening times, sieve analyses, shot weightings, image analysis values, air pressure variations, shot flow rates, residual stress d...

  • Image Analysis and Computer Microscopy of Shot Particles
  • Year: 2001, Source: The Shot Peener magazine, Vol 15 / Issue 3, Fall 2001
  • Coventry University, U.K. and Chairman of the International Scientific Committee for Shot Peening INTRODUCTION This paper is intended to show how useful quantitative and qualitative information about ...

  • Residual Stresses and Retained Austenite in Shot Peened Steels
  • Year: 2000, Source: The Shot Peener magazine, Vol 14 / Issue 1, Spring 2000
  • Reprinted with permission from Proceedings of ICSP1. Editor: A. Niku-Lari ABSTRACT X-ray diffractometry has been used to examine the variation of residual stress across shot peened surfaces, the trans...

  • Theoretical Basis of Shot Peening Coverage Control
  • Year: 1999, Source: The Shot Peener magazine, Vol 13/Issue 3, Fall 1999
  • Reprinted with permission from Proceedings of ICSP5. ABSTRACT A simplified treatment of the theoretical basis of coverage control is presented based on the application of an Avrami equation. This appl...

  • Factors Affecting Almen Strip Curvature Readings
  • Year: 1999, Source: Conf Proc: ICSP-7 (pg 291-300)
  • This study considers the actual shape of deformed Almen strips, the source of that shape, variations in strip parameters and peening vaariables affecting curvature readings. It is shown that deformed...

  • Effects of Peening on Stress Corrosion Cracking in Carbon Steel
  • Year: 1999, Source: Conf Proc: ICSP-7 (pg 167-176)
  • Stress corrosion cracking is an inherent problem commonly found in most carbon steels. This research compares the susceptibility of mild, heat-treatable and surface-treated carbon steels to SCC and i...

  • Residual Stresses Induced by Peening Austenitic Ductile Cast-Iron
  • Year: 1999, Source: Conf Proc: ICSP-7 (pg 23-32)
  • Beneficial compressive surface residual stresses have been induced by peening an austenitic ductile cast iron (20%Ni, 2%Cr, 0.15%Nb weldable-grade). Stress levels of -433MPa and -280MPA were found fo...

  • Transformations Induced in Austenitic Stainless Steels by Shot Peening
  • Year: 1999, Source: Conf Proc: ICSP-7 (pg 15-22)
  • The presence of martensite in a nominally austenitic stainless steel can have a profound effect on the steel's physical, chemical, mechanical and service properties. Plastic deformation can induce tr...

  • Shot Peening
  • Year: 1999, Source: Aircraft Engineering and Aerospace Technology; Vol 17 No 4
  • Peening is a very useful process for extending the service life of a large number of metallic components. Its benefits can only be maximised through an understanding of the principles that are involv...

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David Kirk

Born into a multi-generational steelworking family — his grandfather was a Head Roller and his father was an Open-Hearth steelmaker and also a part-time lecturer at Rotherham Technical College — David won a scholarship to a local grammar school. Grammar school success secured three scholarships that took him to Birmingham University to read Industrial Metallurgy. He was the first member of his family to attend university. After graduation, a Department of Science scholarship allowed research that finished with a doctorate for a thesis entitled "The Hot Working of Metals."

First employment as a Research Fellow at Birmingham University was followed by a short period as a Senior Research Metallurgist at the International Nickel Company's Research Laboratory in Birmingham. David then joined Coventry University as a Senior Lecturer in Metallurgy. At Coventry University, he was promoted to Principal Lecturer in Metallurgy and then Chairman of the School of Materials. Initial research activity centered on X-ray residual stress measurement which prompted him to establish Coventry Science Consultants Ltd. This was followed by his installation of a shot-peening research laboratory at the University with active encouragement and advice by the late Jack Plaster.

Upon retirement, David was first appointed as a Visiting Research Fellow and is now Visiting Professor of Materials at Coventry University. David has, after retirement, published some 70 research papers and articles on shot peening and residual stresses. Following his organization of the International Conference on Shot Peening in Oxford, he was elected Chairman of the International Scientific Committee for Shot Peening and he was subsequently elected to be a Life member. David was awarded The Shot Peener of the Year award in 2001 for his significant contributions to the advancement of shot peening.

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