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= 250, Txy = In an engineering component made of AISI 1020 steel as rolled, the most severely stressed point is subjected to the

= 250, Txy = In an engineering component made of AISI 1020 steel as rolled, the most severely stressed point is subjected to the following state of stress: 0x = 200, y = 0, z 100 and Tyz = Tzx = 0MPa. Determine the safety factor against fracture. The material has a yield strength of 260 MPa and an ultimate tensile strength of 441 MPa.

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