W. David Wang: About the Author
Shell Global Solutions
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Published Articles
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July/August 2008 Inspectioneering Journal
This paper covers most of the common (and some not so common) types of NDE methods for heat exchanger (HX) tubular in-service inspections. In addition to noting some of the various advantages and limitations with these methods, the paper covers heat exchanger tubular inspection planning, data analysis needs, a consequence rating method for scheduling inspection and bundle renewals, tubular cleaning methods and tubular inspection technician qualifications.
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Nondestructive Assessment of Mechanical Property Loss of SA-516-70 Steel due to Hydrogen Induced CrackingSeptember/October 2001 Inspectioneering Journal
Hydrogen-induced cracking is a damage mechanism commonly observed in the petroleum refining industry [1, 2]. The damage appears as laminar cracks and blisters, which can link up in the through-wall direction to form stepwise cracking.
