A structural component in the form of a wide plate is to be fabricated from a steel alloy that has a plane strain fracture toughness of 88 MPa √/m (ksi √/in.)) and a yield strength of 880 MPa (63820 psi). The flaw size resolution limit of the flaw detection apparatus is 3 mm (0.1181 in.). (a) If the design stress is one-half of the yield strength and the value of Y is 1.11, what is the critical flaw length? i mm (b) On the basis of this value, is a critical flaw subject to detection?

Elements Of Electromagnetics
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A structural component in the form of a wide plate is to be fabricated from a steel alloy that has a plane strain fracture toughness of 88
MPam (ksi √/in.)) and a yield strength of 880 MPa (63820 psi). The flaw size resolution limit of the flaw detection apparatus is 3 mm
(0.1181 in.).
(a) If the design stress is one-half of the yield strength and the value of Y is 1.11, what is the critical flaw length?
i
mm
(b) On the basis of this value, is a critical flaw subject to detection?
Transcribed Image Text:A structural component in the form of a wide plate is to be fabricated from a steel alloy that has a plane strain fracture toughness of 88 MPam (ksi √/in.)) and a yield strength of 880 MPa (63820 psi). The flaw size resolution limit of the flaw detection apparatus is 3 mm (0.1181 in.). (a) If the design stress is one-half of the yield strength and the value of Y is 1.11, what is the critical flaw length? i mm (b) On the basis of this value, is a critical flaw subject to detection?
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