For a lead-tin alloy of composition 40 wt% Sn-60 wt% Pb with a total mass of...
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For a lead-tin alloy of composition 40 wt% Sn-60 wt% Pb with a total mass of 2.8 kg at 180°C (355°F): (a) Determine the mass of the a and ß phases. (b) What is the primary phase present for this alloy? (c) Determine the mass of the primary phase and the eutectic microconstituents. (d) Determine the mass of eutectic a. Composition (at% Sn) 20 40 60 80 100 327°C 600 300 Liquid 500 232°C a+L 200 183°C 400 18.3 61.9 97.8 300 100 a +P 1200 100 20 40 60 80 100 (Pb) Composition (wt% Sn) (Sn) Adapted from Binary Alloy Phase Diagrams, 2nd edition, Vol. 3, T. B. Massalski (Editor-in-Chief), 1990. Reprinted by permission of ASM International, Materials Park, OH. Temperature (°C) Temperature ("F) For a lead-tin alloy of composition 40 wt% Sn-60 wt% Pb with a total mass of 2.8 kg at 180°C (355°F): (a) Determine the mass of the a and ß phases. (b) What is the primary phase present for this alloy? (c) Determine the mass of the primary phase and the eutectic microconstituents. (d) Determine the mass of eutectic a. Composition (at% Sn) 20 40 60 80 100 327°C 600 300 Liquid 500 232°C a+L 200 183°C 400 18.3 61.9 97.8 300 100 a +P 1200 100 20 40 60 80 100 (Pb) Composition (wt% Sn) (Sn) Adapted from Binary Alloy Phase Diagrams, 2nd edition, Vol. 3, T. B. Massalski (Editor-in-Chief), 1990. Reprinted by permission of ASM International, Materials Park, OH. Temperature (°C) Temperature ("F)
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Materials Science and Engineering An Introduction
ISBN: 978-1118324578
9th edition
Authors: William D. Callister Jr., David G. Rethwisch
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