Mumbai University > Mechanical Engineering > Sem 4 > Material Technology

Marks: 5M

Year: Dec 2015

Critical Resolved Shear Stress (CRSS):

• minimum stress to initiate slip, or stress required to initiate slip on a given slip plane and in a given direction [most favorably oriented slip system].

i.e. FCC crystal with 12 slip systems

$\tau = \frac{\text{Load}}{\text{Aeea}} \\ \tau = \frac{P cos \theta}{\frac{A}{cos \phi}}, \text{Since} \sigma …