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Chemistry, 03.03.2020 21:26 tjahaheuuwu
A specimen of a 4340 steel alloy with a plane strain fracture toughness of 54.8 MPa(50 ksi) is exposed to a stress of 1205 MPa(174800psi) . (a) If the largest surface crack is 0.8 mm (0.03150 in.) long, determine the critical stress ?c. (b) Will this specimen experience fracture? Assume that the parameter Y has a value of 0.99.
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A specimen of a 4340 steel alloy with a plane strain fracture toughness of 54.8 MPa(50 ksi) is expos...
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