Engineering, 12.03.2021 15:10 sujeyribetanco2216

A block of material contains a cylindrical interior crack of length 2a (or a surface crack of length a). (i) How much elastic strain energy is released by forming this crack?
(ii) How much energy is needed to make the surface of this crack?
(iii) Under what circumstance(s) will the crack grow?

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A block of material contains a cylindrical interior crack of length 2a (or a surface crack of length...