W. David Wang: About the Author
Shell Global Solutions
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Published Articles
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July/August 2008 Inspectioneering JournalBy John Reynolds at Intertek, and W. David Wang at Shell Global Solutions
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...
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Nondestructive Assessment of Mechanical Property Loss of SA-516-70 Steel due to Hydrogen Induced CrackingSeptember/October 2001 Inspectioneering JournalBy W. David Wang at Shell Global Solutions
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.
