The specific surface energy for aluminum oxide is 0.90 N/m, and the elastic modulus is 393 GPa. Compute the critical stress, in MPa, required for propagation of a surface crack of length 0.25 mm. Round

asked Jun 24, 2021 95.0k views

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5 votes

Answer:

42.4 Npa

Step-by-step explanation:

Explanation is attached in the picture below

Ivanxuu answered Jul 1, 2021

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