John Bowker: About the Author
Materials Technology Laboratory

Dr. Bowker, as a research scientist with CANMET for 15 years, has worked on a development of high strength steels for marine and pipeline applications. He is an expert in the application of simulation techniques for the thermo-mechanical processing of steel. More recently he has become active in the application of Engineering Critical Assessment (ECA) methodologies in the petrochemical industry. He is currently co-project leader of CANMET phase II initiative on “ECA of Pressure Vessels for Sour Service.” Dr. Bowker has a B. MET. and Ph.D in Metallurgy from Sheffield University, United Kingdom.

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Published Articles

May/June 2001 Inspectioneering Journal

The use of engineering critical assessment (ECA)of "fitness for service", for the evaluation of flaws and local wall thinning in pressure vessels is receiving a lot of attention in the petrochemical and utility industries. A rigorous methodology based on fracture mechanics and accurate flaw sizing can be used to assess the risk of operation of a damaged vessel by predicting the amount of damage that can lead to premature failure.

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