Question

In a forming operation, the plastic deformation of a steel specimen starts under plane stress condition, where the principal stresses are $σ_1=200\ Mpa$ and $σ_2 = 100\ Mpa$. If the steel specimen follows von-Mises yield criterion, then the uniaxial tensile yield strength (in Mpa) of this steel material is ____ . (Rounded off to 1 decimal place)

• A. 173.2
• B. 200.0
• C. 100.0
• D. 223.6

Answer 1

Answer: (A)

173.2

Answer 2

The correct option is (A): 173.2