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There is a pure aluminum plate, the grain is very coarse, strength and plasticity are poor. In order to refine the grain, what should be the method?
Mar 11, 2018

1. Remelting, the use of fast-cooling refinement of grain is feasible? The precipitation grain radius does not have a formula, two times the surface can divide by the free energy difference, from here should be able to infer the precipitation grain radius and what.

2. Sexual deformation can be, the simplest is rolling.

3. Increase the supercooled degree.

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