Engineering Materials
Recrystallization temperature is one

At which crystals grow bigger in size
At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated
At which change of allotropic form takes place
At which crystals first start forming from molten metal when it is cooled

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Engineering Materials
A coarse grained steel

Is less tough and has a greater tendency to distort during heat treatment
Is less tough and has a less tendency to distort during heat treatment
Is more ductile and has a less tendency to distort during heat treatment
Is more ductile and has a greater tendency to distort during heat treatment

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