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Failure Analysis and Redesign on Cracked Ductwork

Failure Analysis Cracked Ductwork Cracked Ductwork

When reinforced ductwork failed shortly after being placed in service, we were asked to perform an extensive failure analysis. The results determined that that the ductwork was overly-constrained. Thermal breathing and bending due to a thermal gradient that existed between the top and bottom surfaces were constrained, creating high thermal stresses. We redesigned the ductwork reinforcements and the structural supports.

 

See also:

Failure Analysis & Redesign of a Cracked NASA Heat Exchanger
Failure Analysis and Repair of an Overpressurized Storage Tank
Failure Analysis
Publications – Heat Exchangers, Pressure Vessels, Welds and Other Applications, Fatigue, Elevated Temperature

 

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