Volume 10 - Materials Characterization Part 11 pps

Table 6 Optimum specimen thickness, t, and resolutions, d, and estimate of minimum fraction of monolayer of segregation that would be detectable, f, for analyzing chromium in iron using

λL o

z.

hkl

P P

L z

=

;

PP

σ

σ

P P

σ

φ

η

φ

•

•

Compound Orthorhombic Space group: c2/m M = 12

[012] [023] [011] [021]

11.3°

10.6°

η

θ

g g

g g

b u b

g b g R

δ

y z

x z z y

σ

≤

0.18

0.003

0.002

Phosphorus 0.010 0.014

≈

Elemental ratio

0.83

3.41

0.95

9.09

Co/Ni 1.62

Table 5 Phase compositions in the Alloy C-22 microstructure

Phase

→

→

Table 6 Optimum specimen thickness, t, and resolutions, d, and estimate of minimum fraction of monolayer

of segregation that would be detectable, f, for analyzing chromium in iron using tungsten and field

emission microscopes at different voltages

Field emission Beam voltage,

≤

μ

→