"). A drawing operation is used to form a cylindrical cup with inside diameter = 75 mm, height = 55 mm and stock thickness = 2.4 mm. Determine (a) blank diameter that gives a drawing ratio of 1.6, (b) drawing force and (c) blank-holding force, given that the tensile strength of the sheet metal (low-carbon steel) = 320 MPa and yield strength = 180 MPa. The die corner radius = 5 %3D mm.

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Entropy

In physics, entropy means the amount of disorder or the degree of randomness associated with a thermodynamic system. The system is not self-organized when the entropy of the system is high. For instance, when a system is at an elevated temperature, its molecules are in random motion, vibrating and colliding with each other. During this scenario, the probability of finding a molecule at a particular place twice, is low. Under this circumstance, the system can be said to be in a high entropy.