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fatigue fracture |
Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson | 0.01 sec. |
fatigue fracture, any fracture that results from excessive physical activity and not from any specific injury, as commonly occurs in the metatarsal bones of runners. See also stress fracture. fatigue fracture Insufficiency fracture, stress fracture Sports medicine A stress fracture affecting the feet of formerly fit foot soldiers, caused by repeated, relatively 'trivial' trauma to normal bone, resulting in local bone
resorption. Cf Flat feet. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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In 2003, that decision was reversed by a state appellate court that said the rule does not apply to this case because Bell had failed to disclose to the Federal Aviation Administration five prior military helicopter crashes that had the same design yoke and fatigue fracture. The implant screws normally fail through fatigue fractures after a great number of loading cycles. The results of this testing revealed that all eight cavity inserts (which met all the chemical, metallographic and impact toughness requirements for premium quality H-13 steel) failed prematurely by a corrosion fatigue fracture mechanism (see sidebar on p. |
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