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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
4.7Â Â What is the composition, in atom percent, of an alloy that consists of 92.5 wt% Ag and
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|
  Element |
Atomic Radius (nm) |
 Crystal Structure |
 Electro- negativity |
  Valence |
 4.8 |
7.5 wt% Cu? What is the composition, in weight  percent, |
|
Ni |
0.1246 |
FCC |
1.8 |
+2 |
 |
of an alloy that consists of 5 at% Cu  and 95 at% Pt? |
|
C |
0.071 |
 |
 |
 |
 |
 |
|
H |
0.046 |
 |
 |
 |
4.9 |
Calculate the composition, in weight percent, |
|
O |
0.060 |
 |
 |
 |
 |
of an alloy that contains 105 kg of iron, 0.2 kg |
|
Ag |
0.1445 |
FCC |
1.9 |
+1 |
 |
of carbon, and 1.0 kg of  chromium. |
|
Al |
0.1431 |
FCC |
1.5 |
+3 |
4.10 |
What is the composition, in atom percent, of an |
|
Co Cr |
0.1253 0.1249 |
HCP BCC |
1.8 1.6 |
+2 +3 |
 |
alloy that contains 33 g copper and 47 g  zinc? |
|
Fe |
0.1241 |
BCC |
1.8 |
+2 |
4.11 |
What is the composition, in atom percent, |
|
Pt |
0.1387 |
FCC |
2.2 |
+2 |
 |
of an alloy that contains 44.5 lbm of   silver, |
Â
    Zn 0.1332                     HCP               1.6               +2   Â
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Which of these elements would you expect to form the following with nickel:
(a)Â Â Â Â A substitutional solid solution having complete solubility
(b)Â Â Â A substitutional solid solution of incom- plete solubility
(c)Â Â Â Â An interstitial solid solution
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