Mandrel supported tensile test to evaluate weld bonding

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United States of America Patent

PATENT NO 6557421
APP PUB NO 20020007683A1
SERIAL NO

09901459

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Abstract

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A tensile test apparatus and method for testing a circumferential weld on a tubular member wherein the tube region of the weld is completely supported by a mandrel and the tubular specimen is gripped on both sides of the weld along the specimen's longitudinal length with a very small separation distance between the tensile test grips. If there are any non-bonded defects in the weld, they are captured by the weld fracture surface as mesa or void features with an orientation different from that of a well bonded region.

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Patent Owner(s)

Patent OwnerAddress
WESTINGHOUSE ELECTRIC CO LLCWESTINGHOUSE LEGAL - IP P O BOX 355 PITTSBURGH PA 15230-0355

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Boyer, Gerald D Hillsboro, MO 1 3
Garde, Anand M West Simsbury, CT 9 120
Hess, Peter M Hillsboro, MO 1 3
Kraus, John F Hillsboro, MO 1 3

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