Cold Creep of Titanium: Analysis of stress relaxation using synchrotron diffraction and crystal plasticity simulations

25 Aug 2020 Xiong Yi Karamched Phani Nguyen Chi-Toan Collins David M Magazzeni Christopher M Tarleton Edmund Wilkinson Angus J

There is a long standing technological problem in which a stress dwell during cyclic loading at room temperature in Ti causes a significant fatigue life reduction. It is thought that localised time dependent plasticity in soft grains oriented for easy plastic slip leads to load shedding and an increase in stress within a neighbouring hard grain poorly oriented for easy slip... (read more)

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