Question
In: Mechanical Engineering
Iron has an fcc structure at temperatures higher than 913 degree centigrade, and bcc structure below...
Iron has an fcc structure at temperatures higher than 913 degree centigrade, and bcc structure below this temperature. At 1148 oC, iron can dissolve maximum of 2.08% of carbon to form steel. However, at temperature lower than 723 oC, iron can only dissolve maximum 0.025% carbon. The atomic radius is 0.129 nm in both structures (don't consider thermal expansion). One of the largest void is located at (0, ½ , 0) for fcc.
What is the largest void size in the fcc structure of iron?
Solutions
samet mamat answered 2 years agoRelated Solutions
Iron has an fcc structure at temperatures higher than 913 degree centigrade, and bcc structure below...
Iron has an fcc structure at temperatures higher than 913 degree
centigrade, and bcc structure below this temperature. At 1148 oC,
iron can dissolve maximum of 2.08% of carbon to form steel.
However, at temperature lower than 723 oC, iron can only dissolve
maximum 0.025% carbon. The atomic radius is 0.129 nm in both
structures (don't consider thermal expansion). One of the largest
void is located at (0, ½ , 0) for fcc.
What is the largest void size in...
22) the diffusion coefficient of carbon FCC iron is lower than BCC iron because a) the...
22) the diffusion coefficient of carbon FCC iron is lower than
BCC iron because
a) the temperature is higher for FCC
b) FCC has a higher packing factor
c) FCC is more cubic
d) Carbon is substitional in FCC
The densest plane and direction in BCC and FCC structure
The densest plane and direction in BCC and FCC
structure
Iron can exist in several crystal structures including BCC and FCC. Given the radius of iron...
Iron can exist in several crystal structures including BCC and
FCC. Given the radius of iron is 126 pm for iron for the following
conditions and draw the directions and/or planes:
Calculate the planar atom density for the following:
BCC lattice structure on (101)
FCC lattice structure on (101)
BCC lattice structure on (010)
FCC lattice structure on (010)
an x ray diffractometer recorder chart for an element that has either BCC or FCC structure...
an
x ray diffractometer recorder chart for an element that has either
BCC or FCC structure showed diffraction peaks at the following 2@
angles: 41.07, 47.73, 69.879, 84.396. the wavelenght of the
incoming radiation is 0.15405 nm. determine
a) the structure of the element, b) the lattice constant 'a',
and c) identify the element
A single crystal of a metal that has the FCC crystal structure is oriented such that...
A single crystal of a metal that has the FCC crystal structure
is oriented such that a tensile stress is applied parallel to the
[110] direction. The critical resolved shear stress for this
material is 1.75 MPa.
1) Calculate the magnitude of applied stress necessary to cause
slip to occur on the (111) plane in the (1-10) direction.
2) Calculate the magnitude of applied stress necessary to cause
slip to occur on the (111) plane in the (10-1)direction.
3) Which...
Calculate the radius of an iridium atom, given that Ir has an FCC crystal structure, a...
Calculate the radius of an iridium atom, given that Ir has an
FCC crystal structure, a density of 22.4
g/cm3 , and an atomic weight of 192.2
g/mol and NA = 6.022 x
1023.
Do the calculations with 5 significant
digits.
Calculate the radius of an iridium atom, given that Ir has an FCC crystal structure, a...
Calculate the radius of an iridium atom, given that Ir has an
FCC crystal structure, a density of 22.4
g/cm3 , and an atomic weight of 192.2
g/mol and NA = 6.022 x
1023.
Do the calculations by using 4 digits.
A nurse at a health clinic hypothesizes that ear thermometers measure higher body temperatures than oral...
A nurse at a health clinic hypothesizes that ear thermometers
measure higher body temperatures than oral thermometers. The nurse
selects a sample of healthy staff members and took the temperature
of each with both thermometers. The temperature data are below.
What can the nurse conclude with an α of 0.01?
ear
oral
97.4
97.9
96.3
97.4
98.1
97.3
97.8
98.6
98.9
97.9
99.1
98.2
a) What is the appropriate test statistic?
---Select--- na z-test One-Sample t-test Independent-Samples t-test
Related-Samples t-test...
How does the crystal structure influence friction? Why do FCC metals have more friction than HCP...
How does the crystal structure influence friction? Why do FCC
metals have more friction than HCP metals?
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