Question: 7. (a) Two sheets have the anisotropy values in the three directions as follows: Material R R A B 2.38 0.79 3.45 2.27 1801

7. (a) Two sheets have the anisotropy values in the three directions

7. (a) Two sheets have the anisotropy values in the three directions as follows: Material R R A B 2.38 0.79 3.45 2.27 1801 0.64 0.42 Calculate the average anisotropy and the planar anisotropy in the two materials. Comment on the suitability of the two materials for forming sheet metal parts involving stretching and drawing. 131 7 (b) How does one minimise / live with springback in products made from sheet metal? List four methods of doing so. [2]

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