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Thick single crystalline Tin ( Sn ) and Indium ( In ) metal plates are attached against each other ( = semi - infinite diffusion
Thick single crystalline Tin Sn and Indium In metal plates are attached against each other semiinfinite diffusion couple at the temperature of
a Based on the phase diagram see Fig. a draw the structure of the diffusion couple with superimposed composition profile for Indium, when sufficient amount of time has elapsed so that local equilibria is achieved in all interfaces. NB Mark clearly the compositions of the phases at all interfaces!p
b Please discuss on the possible diffusion mechanisms and types in that diffusion couple? p
c Based on the Gibbs energy composition diagram see Figure define the driving force for to diffuse through phase ie from interface to interface at
Figure Gibbs energy composition diagram at from In system
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