Homework Answers
Dislocation density
It is defined as the total length of dislocation line per unit volume of crystal.
There is another way to find dislocation density : no of dislocation per unit volume
We count the no of dislocation easily through experimental techniques so it's used more often . Both can give different values which are differentiated by the unit of values
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51. The total length of dislocation line per cubic centimeter in a material.
In a cubic crystal, a dislocation line of mixed character lies along the [112] direction. (i.e....
In a cubic crystal, a dislocation line of mixed character lies along the [112] direction. (i.e. ?⃗ = [112]). Burgers vector, ?⃗⃗ = 1/2 [110]. (a) What are the edge and screw components of the Burgers vector? (b) What is the slip plane?
Iron has a mass of 7.87 g per cubic centimeter of volume, and the mass of...
Iron has a mass of 7.87 g per cubic centimeter of volume, and the mass of an iron atom is 9.27 × 10-26 kg. If you simplify and treat each atom as a cube, (a) what is the average volume (in cubic meters) required for each iron atom and (b) what is the distance (in meters) between the centers of adjacent atoms?
Given that iridium has a FCC crystal structure, a density of 22.4 g per cubic centimeter,...
Given that iridium has a FCC crystal structure, a density of 22.4 g per cubic centimeter, and an atomic weight of 192.2 g/mol, what is the volume of its unit cell in cubic centimeters? For above problem calculate lattice parameter (a) for iridium in cm
Copper has atomic mass 64 and density 8.95 grams per cubic centimeter. What is the diameter...
Copper has atomic mass 64 and density 8.95 grams per cubic centimeter. What is the diameter of a copper atom in solid copper?
Manganese crystallizes with a body-centered cubic unit cell. The radius of a manganese atom is 127 pm. Calculate the density of solid crystalline manganese in grams per cubic centimeter.
Manganese crystallizes with a body-centered cubic unit cell. The radius of a manganese atom is 127 pm. Calculate the density of solid crystalline manganese in grams per cubic centimeter.
Convert 9.02*10^12 molecules ozone per cubic centimeter into ppb given pressure is 1atm and temperature is...
Convert 9.02*10^12 molecules ozone per cubic centimeter into ppb given pressure is 1atm and temperature is 298K.
A beam contains 9.5 × 108 doubly charged positive ions per cubic centimeter, all of which...
A beam contains 9.5 × 108 doubly charged positive ions per cubic centimeter, all of which are moving north with a speed of 5.9 × 105 m/s. What is (a) the magnitude of the current density and (b) direction of the current density Upper J Overscript right-arrow EndScripts. (c) What additional quantity do you need to calculate the total current i in this ion beam?
Silicon atom density is 5x1022 cm-3, i.e., number of silicon atoms per cubic centimeter of silicon....
Silicon atom density is 5x1022 cm-3, i.e., number of silicon atoms per cubic centimeter of silicon. Use your silicon crystal structure knowledge to prove it.
A beam contains 6.1 x 1010 doubly charged positive ions per cubic centimeter, all of which...
A beam contains 6.1 x 1010 doubly charged positive ions per cubic centimeter, all of which are moving north with a speed of 3.7 x 10 m/s. What is (a) the magnitude the current density and (b) direction of the current density J. (c) What additional quantity do you need to calculate the total current in this on beam? (a) Number Units
The average particle density in the Milky Way galaxy is about one particle per cubic centimeter....
The average particle density in the Milky Way galaxy is about one particle per cubic centimeter. Express this number in SI units kg/m3. Assume that the universe is made up of 70% hydrogen and 30% helium. Please be very detailed with how you come up with the numbers..
A beam contains 6.1 x 1010 doubly charged positive ions per cubic centimeter, all of which are moving north with a speed of 3.7 x 10 m/s. What is (a) the magnitude the current density and (b) direction of the current density J. (c) What additional quantity do you need to calculate the total current in this on beam? (a) Number Units
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