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Critical flaw size corresponds to the transition between general yielding and fast fracture. If the fracture...

Critical flaw size corresponds to the transition between general yielding and fast fracture. If the fracture toughness of a high-strength steel can be increased by 38 % (from 125 to 172.5 MPam−−√) without changing its yield strength of 1130 MPa, by what percentage is its critical flaw size changed? Express your answer to three significant figures.

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