問題詳情

7. (Total:15 %) Two plants are prepared form the X alloy and Z ceramic, and theirfracture toughness values are 60 and 5

. The alloy and ceramic plates areexposed to the same tensile stress of 375MPa.


【題組】 (1) Please determine the minimumlength of surface cracks for this alloy and ceramic. Assume the value of 1.5 for Ydimensionless constant (10%).

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