Accession Number : AD0453323

Title :   SLIP BAND EXTRUSION IN FATIGUED CLOSE PACKED HEXAGONAL METALS,

Corporate Author : ROYAL AIRCRAFT ESTABLISHMENT FARNBOROUGH (ENGLAND)

Personal Author(s) : Partridge,P. G.

Report Date : AUG 1964

Pagination or Media Count : 1

Abstract : The surface topography produced in fatigued cadmium, zinc, and magnesium polycrystals is described: slip band extrusions occur in cadmium and magnesium but not in zinc. The distribution of the extrusions is related to the dislocation configurations observed in these metals: on the basis of these results a dislocation mechanism involving glissile dislocation dipoles is proposed to account for both extrusions and intrusions in face centred cubic and close packed hexagonal metals. (Author)

Descriptors :   (*METALS, FATIGUE (MECHANICS)), CADMIUM, MAGNESIUM, ZINC, CRYSTAL STRUCTURE, METAL CRYSTALS, DEFORMATION, CRYSTAL DEFECTS, THEORY, SURFACE PROPERTIES, GREAT BRITAIN

Distribution Statement : APPROVED FOR PUBLIC RELEASE