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Abstract

Failure occurred in a type 304 stainless steel leaf spring attached to the undercarriage assembly of an airport shuttle train. Failure analysis showed that the fracture was caused by low-cycle, reversed bending fatigue. The stresses leading to failure were imposed by poor alignment. It was recommended that improved assembly procedures be used and that, if another failure occurred, a steel of higher fatigue strength be used.

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W.F. Jones, III, 1992. "Fatigue Fracture of a Stainless Steel Leaf Spring", Handbook of Case Histories in Failure Analysis, Khlefa A. Esaklul

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