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Determine the relative amounts (in terms of mass fractions) of the phases for the alloys and temperatures given in Problem 9.10.
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Determine the relative amounts (in terms of mass fractions of the phases for the alloys and temperatures given in Problem 9.8.
Determine the relative amounts (in terms of volume fractions) of the phases for the alloys and temperatures given in Problems $9.8 \mathrm{a}, \mathrm{b},$ and d. Given here are the approximate densities of the various metals at the alloy temperatures:
Cite the phases that are present and the phase compositions for the following alloys: (a) 15 wt $\%$ Sn -85 wt $\%$ Pb at $100^{\circ} \mathrm{C}\left(212^{\circ} \mathrm{F}\right)$ (b) $25 \mathrm{wt} \% \mathrm{Pb}-75 \mathrm{wt} \% \mathrm{Mg}$ at $425^{\circ} \mathrm{C}\left(800^{\circ} \mathrm{F}\right)$ (c) 85 wt $\%$ Ag-15 wt $\%$ Cu at $800^{\circ} \mathrm{C}\left(1470^{\circ} \mathrm{F}\right)$ (d) 55 wt $\%$ Zn -45 wt $\%$ Cu at $600^{\circ} \mathrm{C}\left(1110^{\circ} \mathrm{F}\right)$ (e) $1.25 \mathrm{kg}$ Sn and $14 \mathrm{kg} \mathrm{Pb}$ at $200^{\circ} \mathrm{C}\left(390^{\circ} \mathrm{F}\right)$ (f) $7.6 \mathrm{lb}_{\mathrm{m}} \mathrm{Cu}$ and $144.4 \mathrm{lb}_{\mathrm{m}} \mathrm{Zn}$ at $600^{\circ} \mathrm{C}$ $\left(1110^{\circ} \mathrm{F}\right)$ (g) 21.7 mol $\mathrm{Mg}$ and 35.4 mol $\mathrm{Pb}$ at $350^{\circ} \mathrm{C}$ $\left(660^{\circ} \mathrm{F}\right)$ (h) 4.2 mol $\mathrm{Cu}$ and 1.1 mol $\mathrm{Ag}$ at $900^{\circ} \mathrm{C}$ $\left(1650^{\circ} \mathrm{F}\right)$
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