A variable in an experiment to study the effect of the rate of cooling the behavior of aluminum alloy anti-freeze-Silicon-copper. 319 includes grades using a different rate. By melting the metal in the furnace the induction When the aluminium covering flux for melting, it's filled cover surface water metal sq.km. The temperature that is used to melt metal by melting 800 C pour into mold pouring temperature of 800 750 700 650 using C and respectively. The aluminium used in the research on chemical ingredients, as shown in table 1. In addition, using the technique of analytical thinking, heat (thermal analysis) to measure the rate of cooling and form various phases occurred during curing. Examine the structure of a light microscope with a comma, and then measure the quantity and various compounds in the nafet structure using image analysis (Image Analysis Program)
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