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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 …

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 …
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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 answer to 3 significant figures and report in the format: 12.3 MPa

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User Jwueller
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1 Answer

5 votes

Answer:

42.4 Npa

Step-by-step explanation:

Explanation is attached in the picture below

The specific surface energy for aluminum oxide is 0.90 N/m, and the elastic modulus-example-1
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User Ivanxuu
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8.6k points
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