PLIENO CIKLINIO NESTABILUMO ĮVERTINIMAS ESANT MAŽACIKLIAM DEFORMAVIMUI
EVALUATION OF CYCLIC INSTABILITY FOR STEEL AT LOW CYCLE STRAINING
Author(s): Gražvydas Lukša, Mantas Stonkus, Raimondas ŠniuolisSubject(s): Business Economy / Management, Higher Education , Methodology and research technology
Published by: Vilniaus Universiteto Leidykla
Keywords: low cycle straining; cyclic hardening; softening and stabilization;
Summary/Abstract: Having investigated 286 structural materials at low cycle straining the cycle properties of structural materials were evaluated by mechanical characteristics. The investigation showed that cyclically stable materials were in the same intervals as the cyclically unstable (hardened, softened) according to the ratio of the Rm / ReL ir (Rm / ReL)Z and similarly in the coordinates Rm / ReL – Z, therefore the grouping of structural materials according to the cyclic properties failed. In order to carry out a thorough analysis of the results, the cyclic stress-strain curves parameter α, which characterizes the intensity of cyclic hardening or softening of structural materials at room and elevated temperatures most precisely, was chosen.
Journal: Jaunųjų mokslininkų darbai
- Issue Year: 2015
- Issue No: 2 (44)
- Page Range: 96-100
- Page Count: 5
- Language: Lithuanian