Observation of Mode I and Mode II Fatigue Crack Growth on Silicon Nitride Balls under Cyclic Compressive Loads

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Abstract:

Mode I and Mode II fatigue crack growth on the equator of silicon nitride balls were tested under cyclic compressive loads. The mode I crack propagated in a straight direction along compressive axis. The angle of the mode II crack changed toward the direction perpendicular to tensile stress direction. The effect of mode I on cracks in differential mode II was strong after cycles.

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Solid State Phenomena (Volume 335)

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93-100

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July 2022

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© 2022 Trans Tech Publications Ltd. All Rights Reserved

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