Accession Number : AD0746121

Title :   Four Basic Types of Metal Fatigue.

Descriptive Note : Technical rept.,

Corporate Author : GEORGE WASHINGTON UNIV WASHINGTON D C INST FOR THE STUDY OF FATIGUE FRACTURE AND STRUCTURAL RELIABILITY

Personal Author(s) : Wood,William A.

Report Date : JUN 1972

Pagination or Media Count : 99

Abstract : Confusion at present existing in the literature about how fatigue cracks originate and grow can be resolved by distinguishing between four basic types of fatigue, each with a distinctive mode of crack initiation and growth. Each type is illustrated by scanning electron microscopy. (Author)

Descriptors :   (*METALS, *FATIGUE(MECHANICS)), ALLOYS, PLASTIC PROPERTIES, ELASTIC PROPERTIES, CRACKS, CRACK PROPAGATION, ULTRASONIC PROPERTIES, RADIOGRAPHY, MICROSTRUCTURE, ELECTRON MICROSCOPY

Subject Categories : Properties of Metals and Alloys

Distribution Statement : APPROVED FOR PUBLIC RELEASE