Answer to Question #208256 in Mechanical Engineering for Kels

Question #208256

In a lead Tin(Pb-Sn) system the following invariant reaction was observed at a temperature of 183°C (19% Sn) +(97% Sn)=Liquid (62% Sn). Liquid melting point of Lead and Tin are 327°C and 232°C i) Draw the phase diagram ii) Calculate the fraction of total a in the alloy containing 80% at 182°C


1
Expert's answer
2021-06-29T00:31:23-0400

Part i



Part ii

"W_{\\alpha}=\\frac{C_1-C_0}{C_1-C_2}=\\frac{97.8-80}{97.8-18.3}=0.22"

"W_{\\beta}=1-W_{\\beta}=1-0.22=0.78"


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