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9. A molybdenum-vanadium alloy of composition 50wt%Mo - 50wt%V is slowly cooled from a temperature of 2600C to 1800C. Determine: a) At what temperature

9. A molybdenum-vanadium alloy of composition 50wt%Mo - 50wt%V is slowly cooled from a temperature of 2600C to 1800C. Determine: a) At what temperature does the first solid phase form? b) What is the composition of this first solid phase? c) At what temperature does complete solidification of the alloy occur? d) What is the composition of the last liquid remaining prior to complete solidification? 2800 2600 2400 2200 2000 1800 2623 Mo a+L a 10 20 30 40 50 60 70 80 Weight Percentage Vanadium 90 1929

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