A leak of nearly 13,000 barrels of crude oil from the Keystone Pipeline near the Kansas-Nebraska border last year was caused by a flawed weld and stress on the pipe from being bent, the operator said.

FEA reveals shoulder fillets under unanticipated stress. "How linear FEA helps in fatigue analysis," Machine Design, Jan. 6, 2005, discusses how to get the right margin of safety out of FEA. Darrell ...

This paper shows the cause and the solution to the uncommon noise which happens ½ order component of engine rpm when a vehicle with automatic transmission has an air conditioning load and "drive" ...

Feb 9 (Reuters) - Pipeline operator TC Energy Corp (TRP.TO), opens new tab said on Thursday a combination of factors including bending stress on the pipe and a weld flaw might have led to the Keystone ...