Articles by Dr. David Kirk

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  • Quantification of Shot Peening Coverage
  • Year: 2014, Source: The Shot Peener magazine, Vol 28, Issue 4, Fall 2014
  • Shot peening is essentially a surface metalworking process. A stream of high-energy shot particles does work on the surface of components. The work done manifests itself in the form of dents. Coverag...

  • Water-Jet Peening and Water-Jet Shot Peening
  • Year: 2014, Source: The Shot Peener magazine, Vol 28, Issue 3, Summer 2014
  • Water-jet peening and water-jet shot peening have the common feature of employing a jet of water. There are, however, important differences between the two processes. Water-jet peening has to impose a...

  • Estimate Compressed Layer Depth by Using Almen Peening Intensity
  • Year: 2014, Source: The Shot Peener magazine, Vol 28, Issue 2, Spring 2014
  • INTRODUCTION: Shot peening induces a surface layer that contains compressive residual stress. It is this compressed surface layer that is largely responsible for improved fatigue performance of com...

  • ‘Peenability’ of Steel Components
  • Year: 2014, Source: The Shot Peener magazine, Vol 28, Issue 1, Winter 2014
  • INTRODUCTION: Component designers can assess whether or not their components have the capability for service improvement by shot peening. The extent of such improvement can be termed component ‘...

  • Shot Stream Force Affects Thin Components
  • Year: 2013, Source: The Shot Peener magazine, Vol 27, Issue 4, Fall 2013
  • INTRODUCTION The force exerted by a shot stream must always generate some degree of component bending. This bending may be so small as to be insignificant—as is the case with ‘thick’ components...

  • Shot Stream Power and Force
  • Year: 2013, Source: The Shot Peener magazine, Vol 27, Issue 3, Summer 2013
  • INTRODUCTION Shot peening is achieved by directing a powerful shot stream at components.The stream’s power depends upon the velocity, flow rate and density of the shot and carrier fluid (normall...

  • Peening Impressions (Dents)
  • Year: 2013, Source: The Shot Peener magazine, Vol 27, Issue 2, Spring 2013
  • INTRODUCTION: The SAE specification J2277 on coverage mentions “overlapping peening impressions (dents).” That specification also includes “Coverage is defined as the percentage of a surface ...

  • Principles of Almen Strip Selection
  • Year: 2013, Source: The Shot Peener magazine, Vol 27, Issue 1, Winter 2013
  • INTRODUCTION: The guiding principles for Almen strip selection are thickness, variability and shape. Thickness selection, N, A or C is a normally matter for users rather than shot peeners. Thickness ...

  • J 443 An Evolutionary Guide to Shot Peening Intensity Measurement
  • Year: 2012, Source: The Shot Peener magazine, Vol 26 / Issue 2, Spring 2012
  • INTRODUCTION J443 – Procedures for Using Standard Shot-Peening Test Strip, was first approved in January, 1952. As an SAE Recommended Practice document the principles that it enshrined were widely a...

  • Satisfactory Peening Intensity Curves
  • Year: 2012, Source: The Shot Peener magazine, Vol 26 / Issue 4, Fall 2012
  • ACADEMIC STUDY: INTRODUCTION Obtaining satisfactory peening intensity curves is a basic priority. Such curves will: 1 Allow acceptable derivation of the peening intensity, 2 Help in determining the...

  • Shot Peening Coverage Requirements
  • Year: 2012, Source: The Shot Peener magazine, Vol 26 / Issue 3, Summer 2012
  • ACADEMIC STUDY INTRODUCTION Users require that their components should be peened to specified levels of coverage. They also require that the shot stream used has specified characteristics – such a...

  • Academic Study - Component Shape Changes Caused by Shot Peening
  • Year: 2012, Source: The Shot Peener magazine, Vol 26 / Issue 1, Winter 2012
  • INTRODUCTION Shot peening is a cold-working process that has the potential to effect useful shape changes. Every cold-working process injects a residual stress system on shaping a metallic component....

  • Continuous Measurement Versus Intermittent Indication of Peening Intensity Curves
  • Year: 2011, Source: The Shot Peener magazine, Vol 25 / Issue 4, Fall 2011
  • Academic Study by Dr. David Kirk INTRODUCTION Peening intensity curves are of vital importance for effective shot peening. They can be either continuously measured or intermittently indicated. The...

  • Variability of a Shot Stream
  • Year: 2011, Source: The Shot Peener magazine, Vol 25 / Issue 3, Summer 2011
  • Academic Study by Dr. David Kirk INTRODUCTION A particular shot stream should always be regarded as a combination of shot particles carried along in a stream of fluid. The fluid is normally air but ...


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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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