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- W32151702 abstract "Abstract : A commercially available tetragonal zirconia polycrystal ceramic was examined for potential use in advanced engines. Room temperature strength and toughness were determined, as well as the static fatigue life between 800 deg C and 1200 deg C. All of these properties were determined before and after a 100 hour exposure at 1000 deg C. The room temperature flexure strength was 1838 MPa before exposure and it decreased 23% after exposure. The toughness did not change with the exposure. Static fatigue testing revealed that fracture below 1100 deg C was due to the cracks created during machining. At 1100 deg C and higher slow crack growth became the dominant failure mechanism. Overall, the high temperature static fatigue life is better than yttria tetragonal zirconia polycrystal materials without Alumina but it still does not meet the strength at temperature requirements for use in advanced engines." @default.
- W32151702 created "2016-06-24" @default.
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- W32151702 date "1991-12-01" @default.
- W32151702 modified "2023-09-26" @default.
- W32151702 title "Properties of a TZP/Al2O3 Composite after Long-Term Exposure at 1000 deg C" @default.
- W32151702 hasPublicationYear "1991" @default.
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