1. An AISI 1018 steel has a yield strength, Sy = 295 MPa. Using the distortion energy theory for the plane stress state ox = -30 MPs, Gy = -65 MPa, and Txy = 40 MPa. 1) Determine the factor of safety. 2) Plot the safety envelope of the material. 3) Plot the load line. 4) Estimate the factor of safety by graphical method (refer to 4-1 Ductile Failure I, P10).

1. An AISI 1018 steel has a yield strength, Sy = 295 MPa. Using the distortion energy theory for the plane stress state ox = -30 MPs, Gy = -65 MPa, and Txy = 40 MPa. 1) Determine the factor of safety. 2) Plot the safety envelope of the material. 3) Plot the load line. 4) Estimate the factor of safety by graphical method (refer to 4-1 Ductile Failure I, P10).

Elements Of Electromagnetics

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Author:Sadiku, Matthew N. O.

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1. An AISI 1018 steel has a yield strength, Sy = 295 MPa. Using the distortion energy theory for
the plane stress state ox = -30 MPs, Oy = -65 MPa, and Txy = 40 MPa.
1) Determine the factor of safety.
2) Plot the safety envelope of the material.
3) Plot the load line.
4) Estimate the factor of safety by graphical method (refer to 4-1 Ductile Failure I, P10).

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