The solidification diagram of Pb-As alloys forms a eutectic with the2.8% As by mass. Both elements are completely insoluble in the solid state.The densities of Pb and As are 11.4 and 5.7 g / cm 3 respectively.It asks:to. Draw the binary equilibrium diagram knowing that the melting point of Pb is327ºC and that of As 480ºC. The eutectic transformation temperature is 290ºC.b. Calculate the density of the eutectic alloy.
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