ADM guidance-ceramics: Fatigue principles and testing

J R Kelly1, P F Cesar2, S S Scherrer3

  • 1Department of Reconstructive Sciences and Center for Biomaterials, University of Connecticut Health Center, Farmington, USA.

Abstract

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Fatigue occurs when materials rupture under repeated or fluctuating loads, even at stress levels far below their static breaking strength. It typically results in brittle failure, even for ductile materials. It is a critical consideration in designing machines and structural components subjected to repetitive or varying loads. The nature of these loadings can range from fluctuating loads like unbalanced pump impellers causing vibrations to repeatedly bending a thin steel rod wire back and forth...
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