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In: Mechanical Engineering

Class 20 and class 60 gray cast irons have tensile strengths of about 20 ksi and...

Class 20 and class 60 gray cast irons have tensile strengths of about 20 ksi and
60 ksi, respectively. Assuming that the fractures start from graphite flakes and that
the flakes act as preexisting cracks, use the concepts of the Griffith analysis to predict
the ratio of the average graphite flake sizes of the two cast irons.

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samet mamat answered 2 years ago
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