Mathematics · Metal Casting
Pure aluminium is cast in a cube-shaped mold with dimensions 20 mm × 20 mm × 20 mm. Another mold of the same material is used to cast a sphere of aluminium having a diameter of 20 mm. Given that the pouring temperature and casting conditions are identical, what is the ratio of the solidification time of the cube-shaped mold to that of the spherical mold according to Chvorinov's rule?
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