Consider the hypothetical eutectic phase diagram for metals A and B, which is similar to that for
Question:
Consider the hypothetical eutectic phase diagram for metals A and B, which is similar to that for the lead-tin system, Figure. Assume that
(1) ? and ? phases exist at the A and B extremities of the phase diagram, respectively;
(2) The eutectic composition is 47 wt% B-53 wt% A; and
(3) The composition of the ? phase at the eutectic temperature is 92.6 wt% B-7.4 wt% A. Determine the composition of an alloy that will yield primary ? and total ? mass fractions of 0.356 and 0.693, respectively.
Transcribed Image Text:
Composition (at% Sn) 40 20 60 80 100 327°C 600 300 Liquid 500 232°C a +L 200 400 8+L 183'C 18.3 61.9 97.8 300 100 a +8 200 100 100 20 40 60 80 Composition (wt% Sn) (Pb) (Sn) Temperature ("C) Temperature ("F)
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We are given a hypothetical eutectic phase diagram for which C eutectic 47 wt B C 92...View the full answer
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Related Book For
Fundamentals of Materials Science and Engineering An Integrated Approach
ISBN: 978-1118061602
4th Edition
Authors: David G. Rethwisch
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