2A) i. Explain the Tresca and Von Mises criteria in crystal plasticity and their role in the design of engineering structures. What is the equivalent stress o in the von Mises criterion? (10 points)ii. Explain in detail the topological aspects (Elastic vs Plastic regions of graphs (a) and (b) in the figure below in terms of yielding conditions in a multi-axial state of stress. (10 points)Fig. 3(6)(42)

Learn How To Grow Crystals Easily at Home