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6.27 The surface of a steel machine member is subjected to principal stresses of 200 MPa and 100 MPa. What tensile yield strength is required to provide a safety factor of 2 with respect to initial yielding:
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6.27 The surface of a steel machine member is subjected to principal stresses of 200 MPa and 100 MPa. What tensile yield strength is required to provide a safety factor of 2 with respect to initial yielding: According to the maximum‐shear‐stress theory? According to the maximum‐distortion‐energy theory? [Ans.: (a) 400 MPa, (b) 346 MPa]

User Marwin
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Answer:

(a) 400 MPa

(b) 346 MPa

Step-by-step explanation:

See the attached pictures for explanation.

6.27 The surface of a steel machine member is subjected to principal stresses of 200 MPa-example-1
6.27 The surface of a steel machine member is subjected to principal stresses of 200 MPa-example-2
User Kghbln
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