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Effects Of Temperature And Shot-Peening Intensity On Fretting Fatigue Behavior Of Titanium Alloy Ti-6al-4a, Salman Albinali
Effects Of Temperature And Shot-Peening Intensity On Fretting Fatigue Behavior Of Titanium Alloy Ti-6al-4a, Salman Albinali
Theses and Dissertations
Effects of temperature and shot-peening intensity on fretting fatigue behavior of Ti-6Al-4A were investigated in this study. S-N curves were obtained for both room and elevated temperatures (260 C) for two different shot-peened intensities (4A and 10A). Stress relaxation behavior under both fretting fatigue at elevated temperature and temperature exposure only were also investigated after their measurements were calculated using X-ray diffraction method. The crack initiation location and the crack angle orientation along the surface were determined using optical and scanning electron microscopy (SEM). Cracks initiated near the trailing edge of the tested specimens. Cracks initiated on the contact surface …