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a. A 'stress-rupture life' of 10000 hours or longer at 923 K (650 °C) at a stress of 676 MPa; or. b. A 'low cycle fatigue life' of 10000 cycles or more at 823 K (550 °C) at a maximum stress of 1095 MPa; 2. Niobium alloys having any of the following:a. A 'stress-rupture life' of 10000 hours or longer at 1073 K (800 °C) at a stress of 400 MPa

Electronics - Audio, TV & Home Theater, Camera & Photo

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