Biomedical Engineering Reference
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Fig. 6.14
Bright-field TEM
image of a Si-Fe/SiO
2
(mixed-composite) particle
sample prepared using
ultramicrotomy, showing
fractures in the SiO
2
perpendicular to the cutting
direction. However,
observation of the Fe-Si and
the Fe-Si/SiO
2
interface is
possible (
D. Laub, EPFL -
CIME Lausanne
)
Fig. 6.15
Bright-field TEM
image of an aluminum-based
alloy (metallic material)
prepared without embedding
on the bulk material using
ultramicrotomy, showing
tearing of matter due to the
heterogeneity in hardness of
phases (2) and (3) with the
strain-hardened matrix (1).
More significant strain
hardening can be seen in
phase (3) (
J. Ayache,
CNRS-UMR8126-IGR,
Vi l lejui f
)
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