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3. Composites A tungsten matrix with 20% porosity is infiltrated with silver. Assuming that the pores are interconnected: (a) What is the density of the

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3. Composites A tungsten matrix with 20% porosity is infiltrated with silver. Assuming that the pores are interconnected: (a) What is the density of the composite before infiltration with silver? (b) What is the density after infiltration with silver? (c) What factors would you consider when infiltrating with silver? W=19.25g/cm3,Ag=10.49g/cm3,air=1.23g/cm3

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