A fatigue crack that starts in the groove of one thread often propagates through adjacent grooves as it enlarges. ... it normally does not occur when metal is compressed. Recognizing Fatigue Failures ...

Metal weakness like the fatigue found in a jet engine that exploded during a Southwest Airlines Co. flight on Tuesday can lie hidden for years and elude detection with even the most advanced ...

In the world of materials sciences, metal fatigue describes the weakening of a material that occurs as a result of being exposed to repeated applied work or stress loads. When a material is exposed to ...

Metal fatigue has caused catastrophic accidents. In 1988, cracks caused part of the roof of an Aloha Airlines Boeing 737 to rip open in flight and a flight attendant plunged to her death. That ...

Metal fatigue occurs when metal - including parts in machines, vehicles and structures - sustains microscopic cracks after being exposed to repeated stress or motion, damage that tends to worsen ...

Metal fatigue may have caused the fuel-line cracks that have grounded NASA’s entire space shuttle fleet, according to independent materials experts. They say the parts of the orbiter’s fuel ...

DALLAS – Federal investigators say metal fatigue caused a hole to rip open in the roof of a Southwest Airlines jet as it cruised at 35,000 feet last year. The National Transportation Safety ...

LAS VEGAS, NV--(Marketwired - Jan 13, 2015) - Metal Fatigue Solutions (MFS), a producer of advanced Nondestructive Testing (NDT) technology systems, today announced its new and upgraded product ...

Central NY News; Southwest finds cracks in more planes, denies metal fatigue is caused by heavy plane use. Published: ; Apr. 05, 2011, 9:47 p.m.

U.S. NTSB investigators determined metal fatigue is suspected as the reason a fan blade fractured just before an in-fight engine failure suffered by United Airlines Flight 328 on Feb. 20, board ...

DALLAS – Federal investigators say metal fatigue caused a hole to rip open in the roof of a Southwest Airlines jet as it cruised at 35,000 feet last year. The National Transportation Safety ...