Given Values:
Energy for Vacancy Formation (eV/atom) = 0.11
Metal: Sulfur
Temperature (°C) = 723
Alloy Mctal A: Manganese
Alloy Metal B: Beryllium
Metal-X: Iron
Metal-Y: Vanadium
Magnification: 159
ASTM Grain Size: 5
Grain per Square Inch: 110
Notation: Your Answer = ?
3. For an alloy that consists of 75 at% of Alloy Metal and 25% of Alloy Metal B, what is the concentration of Alloy Metal? Your Answer = ?
4. For an alloy that consists of 75 at% of Alloy Metal and 25% of Alloy Metal B, what is the concentration of Alloy Metal? Your Answer = ?
5. Metal-X forms a substitutional solid solution with Metal-Y. Compute the number of Metal-X atoms per cubic centimeter and 67 wt% Metal-Y. (Answer in Engineering Notation): Your Answer = ?
6. For the ASTM Grain Size listed above, approximately how many grains would there be per square inch at 100 magnification? Your Answer = ?
7. For the ASTM Grain Size listed above, approximately how many grains would there be per square inch at the listed magnification? Your Answer = ?
8. For the ASTM Grain Size listed above, approximately how many grains would there be per square inch with no magnification? Your Answer = ?
9. A photomicrograph was taken of a specimen at a magnification of 100X, and it was determined that the average number of grains per square inch was the number listed above. What is this specimen's ASTM grain size number? (Write answer to the hundredth place): Your Answer = ?