Materials for Civil and Construction Engineers (4th Edition)
Materials for Civil and Construction Engineers (4th Edition)
4th Edition
ISBN: 9780134320533
Author: Michael S. Mamlouk, John P. Zaniewski
Publisher: PEARSON
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Chapter 2, Problem 2.32QP
To determine

Find the masses of the alloy in the liquid phase and solid phase.

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Given a Cu-Ag alloy with a bulk composition of 30wt% Ag, answer the following: a. At what temperature does the first solid start to form? units: units: units: b. What is the elemental composition of this solid phase when it first appears? c. At what temperature does the material become fully solid? d. What is the elemental composition of the very last portion of liquid that is present just before the system fully transforms to solid? Temperature (°C) 1200 1000 800 A α B 8.0 (CE) units: Composition (at% Ag) 20 40 60 80 100 2200 -Liquidus Liquid 2000 -Solidus a +L 1800 F 1600 779°C (TE) B+L E G 71.9 91.2 1400 β (CE) (CBE) 600 Solvus α + β 400 C 200 0 20 40 (Cu) 1200 1000 800 600 H 400 60 80 100 (Ag) Composition (wt% Ag) Temperature (°F)
Considering an alloy of the two soluble components A and B described by a phase diagram similar to that shown in Figure 2.14, determine the masses of the alloy that are in the liquid and solid phases at a given temperature if the total mass of the alloy is 100 g, component B represents 40% of the alloy, 20% of the liquid is component B, and 70% of solid is component B.   This question is answered on here but I don't get how to get from step 3 to step 4 math wise. it goes from 20*ml + 70Ms=40x100 to solving simultaneously  Ml= 60g Ms= 40g   Trying to figre out how the math works to get to the final answer
Metal X has an atomic weight of 43.1 g/mol, theoretical density of 6.40 g/cm^3, and atomic radius of 122 pm. Determine whether the crystal structure of Metal X is BCC, FCC, or simple cubic. Provide your complete solution.
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