Ch10 - Sheet1 Page 1 CH 10 - PHASE DIAGRAMS Err:510 10.1...

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Unformatted text preview: Sheet1 Page 1 CH 10 - PHASE DIAGRAMS Err:510 10.1 Given sugar-water solubility phase diagram: A) Amount of sugar dissolved? C_sugar(wt%) = m_sugar / (m_surgar+m_water)*100, m_sugar B) How much of the solid sugar will come out of solution upon cooling to T2? C_sugar(wt%) = m'_sugar / (m'_surgar+m_water)*100, m_sugar so m''_sugar = m_sugar - m'_sugar Err:510 10.6 Is it possible to have a copper& silver alloy that, at equilibrium, consists of an a phase of composition 4 wt% Ag&96 wt% ---->It is possible to have a Cu-Ag alloy, which at equilibrium consists of an a phase of composition 4 wt% Ag-96 wt% Cu and Err:510 10.7 A 50 wt% Ni— 50 wt% Cu alloy is slowly cooled from 1400°C (2550°F) to 1200°C (2190°F). (a) At what temperature does the first solid phase form? ----> Upon cooling form 1400°C, the first solid phase forms at the temperature at which this vertical line intersects the Lf (a + L (b) What is the composition of this solid phase? ---->The composition of this solid phase corresponds to the intersection with the L+ (a + L) phase boundary, of a tie line const (c) At what temperature does the liquid solidify?----> Complete solidification of the alloy occurs at the intersection of this same vertical line at 50 wt% Ni with the (a+ L)& a ph (d) What is the composition of this last remaining liquid phase?What is the composition of this last remaining liquid phase?...
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This note was uploaded on 11/16/2009 for the course ENGIN 45 taught by Professor Devine during the Fall '07 term at University of California, Berkeley.

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Ch10 - Sheet1 Page 1 CH 10 - PHASE DIAGRAMS Err:510 10.1...

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