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Lifetime, Cyclic Deformation and Damage Behaviour of MAR-M247 LC under Thermo-Mechanical Fatigue Loading with 0°, 180°, -90° and +90° Phase Shift between Strain and Temperature
2014
Procedia Engineering
Thermo-mechanical fatigue tests under 0° (in-phase), +180° (out-of-phase), +90° (clockwise diamond) and -90° (counterclockwise diamond) phase shift between mechanical loading and temperature were conducted on nickel-based superalloy Mar-M247 LC. Tests were carried out under total strain control with a temperature range of 100 -850 °C and a heating and cooling rate of 5 K/s. Mechanical strain amplitudes were 0.3 to 0.6 % with a strain ratio of R = -1. Results show, that for the strain amplitudes
doi:10.1016/j.proeng.2014.06.260
fatcat:ujep4orgpfbjdavll265kxdp5m