Articles by Dr. David Kirk

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Total articles (102)

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  • Relationship Between Coverage and Surface Residual Stress
  • Year: 2005, Source: Conf Proc: ICSP-9 (pg 373-378)
  • ABSTRACT Controlled, uniform, peening has been used to impose precise coverage percentages onto mild steel plate specimens. This was achieved by using an X-Y table to move the specimens under a singl...

  • Evolution of Shot Peening Experimental Techniques
  • Year: 2005, Source: Conf Proc: ICSP-9 (pg 346-353)
  • ABSTRACT A wide variety of experimental techniques have evolved which greatly enhance our knowledge and understanding of the shot peening process. Four technique categories are discussed relating to ...

  • Effects of Indent Ratio on Curvature and Deformation of Sheet and Strip
  • Year: 2004, Source: The Shot Peener magazine, Vol 18 / Issue 1, Winter 2004
  • INTRODUCTION Indent ratio in shot peening is the ratio of the indentation diameter, d, to the component thickness, T, see fig. 1. When the indent ratio is small, we get convex curvature of sheet and s...

  • Prediction and Control of Indent Diameter
  • Year: 2004, Source: The Shot Peener magazine, Vol 18 / Issue 2, Spring 2004
  • INTRODUCTION Shot peening control is based on satisfying two specified parameters - PEENING INTENSITY and COVERAGE. Peening intensity is independent of the component's properties, being defined by the...

  • Actual and Predicted Shot Peening Indentations
  • Year: 2004, Source: The Shot Peener magazine, Vol 18 / Issue 3, Summer 2004
  • INTRODUCTION Shot peening involves the covering of components with indentations. Those indentations induce a surface layer of compressive residual stress that enhances component properties. Two parame...

  • Residual Stresses in Shot Peened Components
  • Year: 2004, Source: The Shot Peener magazine, Vol 18 / Issue 4, Fall 2004
  • INTRODUCTION Shot peening of components produces a 'magic skin' containing compressive residual macrostress. This skin has a thickness that is largely determined by the size of the shot particles that...

  • 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...

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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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