CORRELATION OF DEFORMATION AND FATIGUE CH ARACTERISTICS OF SINGLE-CRYSTALS AND POLYCRYSTALS

Authors
KUNZ L LUKAS P
Citation
L. Kunz et P. Lukas, CORRELATION OF DEFORMATION AND FATIGUE CH ARACTERISTICS OF SINGLE-CRYSTALS AND POLYCRYSTALS, Kovove materialy, 33(1), 1995, pp. 43-55
Citations number
24
Categorie Soggetti
Material Science","Metallurgy & Metallurigical Engineering
Journal title
Kovove materialy → ACNP
ISSN journal
0023432X
Volume
33
Issue
1
Year of publication
1995
Pages
43 - 55
Database
ISI
SICI code
0023-432X(1995)33:1<43:CODAFC>2.0.ZU;2-L
Abstract
Comparison of stress-strain and fatigue characteristics of single crys tals and polycrystals of copper and Cu-Zn alloy shows the reasonable m utual conversion of S/N curves on the basis of Taylor conversion facto r. The conversion of cyclic stress-strain curves is possible in the fi rst approximation only. Coffin-Manson curves cannot be mutually conver ted at all. The explanation of this statement is based on the differen t volume fraction of zones exhibiting higher cyclic slip activity in s ingle crystals and polycrystals.