SEDL / STP / STP283-EB / STP45061S

Fatigue Strength of Crystalline Solids

Sinclair, G. M.
Professor and Instructor, Theoretical and Applied Mechanics, University of Illinois, Urbana, Ill.

Feltner, C. E.
Professor and Instructor, Theoretical and Applied Mechanics, University of Illinois, Urbana, Ill.

Pages: 14    Published: Jan 1961

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Abstract

Recent theoretical concepts and experimental studies of the nucleation and propagation of fatigue cracking in crystalline solids are reviewed. Additional details of the role of dislocation-motion and interaction in fatigue are becoming available through studies involving direct observation of individual dislocations. Results of current investigations of the effects of dislocation—impurity-atom interaction and surface chemical environment on fatigue strength are also discussed.