A Study of the Room Temperature Fatigue Properties of Molybdenum
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The powder metallurgy and arc-cast types of wrought molybdenum stock were studied in rotating beam fatigue. Endurance ratios of unnotched specimens after 5×107 cycles were found to be 0.74 and 0.81, respectively. Fatigue notch factors (Kf) of 1.36 and 2.05, respectively, were obtained on V-notched specimens having a theoretical stress-concentration factor Kt = 3.1.
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