What twisting moment would just produce brittle failure

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Reference no: EM131181011

A bar of 20 mm in diameter and 300 mm in length is subjected to an axial compressive stress of 20 MPa.

(a) If the material undergoes brittle failure under a tensile stress of 80 MPa, what twisting moment would just produce brittle failure while the compressive force acted?

(b) If the material yields plastically at a yield strength of 80 MPa, what twisting moment would just produce yielding while the compressive force acted?

Reference no: EM131181011

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