For studying the L-HCCF of an actual turbine disk mortise teeth at elevated temperature, this paper presents a new experimental system, using actual disk as experimental component, ingeniously achieving the combined loading (simulating low cycle radial centrifugal force and high cycle crosswise vibration of blade), the high-frequency induction local heating (550 °C constant temperature), the control of high cycle vibrating frequency and amplitude, and the crack real-time detection. The experimental result is identical with the practical flight failure. This method can be easily popularized for the L-HCCF studying of many components.
A New Experimental Method of Combined Fatigue of Actual Turbine Disk Mortise Teeth at Elevated Temperature
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Wang, R, & Nie, J. "A New Experimental Method of Combined Fatigue of Actual Turbine Disk Mortise Teeth at Elevated Temperature." Proceedings of the ASME 1996 Turbo Asia Conference. ASME 1996 Turbo Asia Conference. Jakarta, Indonesia. November 5–7, 1996. V001T08A006. ASME. https://doi.org/10.1115/96-TA-020
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