ISS 20 class gray iror streng 60 KS1 espectively. Assuming that the fractures start from graphite flakes and that the lakes act as preexisting cracks, use the concepts of Griffith analysis to predict the
ISS 20 class gray iror streng 60 KS1 espectively. Assuming that the fractures start from graphite flakes and that the lakes act as preexisting cracks, use the concepts of Griffith analysis to predict the
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![Class 20 and class 60 gray cast irons have tensile strengths of about 20 and 60 ksi
respectively. Assuming that the fractures start from graphite flakes and that the
flakes act as preexisting cracks, use the concepts of Griffith analysis to predict the
ratio of the average graphite flake sizes of the two cast irons.
2.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa1084959-951a-4ecc-8efc-4b4193cba5ab%2F7c30c1da-30cd-4b6c-854d-a521baa9de4d%2F3m85h5j_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Class 20 and class 60 gray cast irons have tensile strengths of about 20 and 60 ksi
respectively. Assuming that the fractures start from graphite flakes and that the
flakes act as preexisting cracks, use the concepts of Griffith analysis to predict the
ratio of the average graphite flake sizes of the two cast irons.
2.
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