Abstract
Fretting fatigue behavior of IMI 834 titanium alloy has been investigated at room temperature, 400 and 590 °C. For comparison plain fatigue tests were also carried out. Finite element analysis was done to evaluate the tangential stress coefficient and relative slip amplitude during fretting fatigue at room temperature and high temperatures. The fracture surface and fretting contact surface were examined using scanning electron microscope. The result showed that, the fatigue strength has reduced due to fretting both at room temperature and high temperature. With an increase in temperature the fretting fatigue strength reduced. It reduced significantly at 400 °C and drastically at 590 °C, due to the increase in severity of damage in fretting contact surface with an increase in test temperature. The results were discussed based on the relative slip amplitude values, tangential stress coefficient values and the surface damage observations.
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Jayaprakash, M., Komatsu, D., Okazaki, M. et al. High Temperature Fretting Fatigue Behavior of IMI 834 Titanium Alloy. Trans Indian Inst Met 69, 439–444 (2016). https://doi.org/10.1007/s12666-015-0815-2
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DOI: https://doi.org/10.1007/s12666-015-0815-2