Russell Orr: About the Author
Metals Technologies Laboratories, CANMET

Mr. Orr has 16 years experience in welding related projects particularly associated with the structural integrity of welded joints and weld repair procedures. He was actively involved as a co-ordinator of CANMET's first initiative on engineering critical assessment of pressure vessels and is co-project leader of CANMET's second phase in this area. Mr. Orr has a Diploma in Welding Engineering Technology from Northern College, Kirkland Lake, Ontario, Canada.

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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.

July/August 1995 Inspectioneering Journal

Petrochemical and energy utility industries require a methodology which will allow them and the governing regulatory authorities to make technical and financially sound decisions for the repair or replacement of pressure vessels which suffer damage during service.

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