Biomedical Engineering Reference
In-Depth Information
β
-SiC
2
3
202
Si
111
111
202
113
002
Beech SiC
Beech
20
μ
m
Beech
20
μ
m
C
5
4
n-SiC
1
Beech
SiC
500
μ
m
Eucalyptus SiC
μ
-SiC
Si
Beech C
Eucalyptus C
2
μ
m
20
35
50
65
Si
C
2
Θ
6
(a)
(b)
Figure 11.10.
(a) XRD spectra showing the crystalline phases present in the C preforms and
bioSiC materials. (b) SEM, TEM micrographs and EDS composite showing different aspects of
bioSiC microstructure.
TABLE 11.1. Chemical Composition Measured by XRF and XPS of B io - S i C Obtained from
Beech, Sapelly and Eucalyptus. The Presence in the B io - S i C of the Corresponding Elements
is Indicated by X
Bio - SiC type
Beech
Sapelly
Eucalyptus
Element
XRF
XPS
XRF
XPS
XRF
XPS
A l
X
X
X
X
X
B
X
X
C
X
X
X
X
X
X
Ca
X
X
X
X
X
X
C r
X
C u
X
X
X
X
F e
X
X
X
K
X
X
X
L a
X
M n
X
N
X
X
X
N a
X
X
X
X
O
X
X
X
P
X
X
X
S
X
X
X
Si
X
X
X
X
X
X
T i
X
X
X
Z n
X
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