Question: following PbSn phase diagram (a) Schematic show the microstructural evolution in the system along the composition lines A,B and C as temperature is decreased from

following PbSn phase diagram (a) Schematic show the microstructural evolution in

following PbSn phase diagram (a) Schematic show the microstructural evolution in the system along the composition lines A,B and C as temperature is decreased from 350 degrees C to 100 degrees C. (b) Among the three compositions, which ones possess a Eutectic transition? Determine the fraction of Eutectic alpha and beta phases at T= 100 degrees C for those compositions. (c) Show that maximal solidification velocity is given by, where D is the diffusivity Sn atoms in liquid, T is the supercooling, and is the critical inter-laminar spacing. (d) How depends on T ? Together with the equation given in (c), show that

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