Accession Number : AD0720025

Title :   The Fatigue Deformation of Dispersion Hardened Copper Single Crystals,

Corporate Author : TORONTO UNIV (ONTARIO) DEPT OF METALLURGY AND MATERIALS SCIENCE

Personal Author(s) : Kupcis,O. A. ; Woo,O. T. ; Ramaswami,B. ; McGrath,J. T.

Report Date : 05 MAR 1970

Pagination or Media Count : 6

Abstract : Constant strain amplitude fatigue deformation at room temperature has been studied in single crystals of copper with and without a dispersion of Al2O3 particles. The size, shape and distribution of the alumina particles were varied by internally oxidizing copper-aluminium single crystals by two different methods. Although the saturation stress level does not seem to be affected by the presence of the dispersed phase, the fatigue hardening and the resulting dislocation structure are significantly different. (Author)

Descriptors :   (*COPPER, DEFORMATION), SINGLE CRYSTALS, FATIGUE(MECHANICS), DISPERSION HARDENING, GRAIN STRUCTURES(METALLURGY), CANADA

Subject Categories : Metallurgy and Metallography

Distribution Statement : APPROVED FOR PUBLIC RELEASE