Page 242 - MATERIAL SCIENCE AND ENGINEERING PART 1
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Impurities in solids                               1         2         3
                                                    1











                 Mechanism










        It gets cooled                          Pouring

         when poured                            temperature

       into the mould                                  T/t = Cooling rate                    Equilibrium                superheat

            and molten                                Thermal arrest                         freezing

           metal in the                                                                      temperature

            liquid form               Temperature, T

          will solidify.

           This time is                     Local solidification time

            called local

         solidification                                    Time, t

                      time.                                                                                                             222



                                                    Politeknik Ibrahim Sultan
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