Biomedical Engineering Reference
In-Depth Information
of crystallization of glass [42, 49, 51]. Several kinds of bioactive
glass-ceramics have been developed, including bioactive A/W glass
ceramic. The compositions and mechanical properties of these glass
ceramics are given in Table 3.27.
Figure 3
.
5
Compositional dependence (in weight percent) of bone
bonding and soft-tissue bonding of bioactive glasses and glass-
ceramics [20].
Ta b l e 3
.
27
Composition (wt%) and mechanical properties of A/W and
Ceravital glass ceramics [20]
A/W glass
ceramic
KG Cera
Ceravital
Mina 13
Ceravital
KGy213
Ceravital
M8/1
Ceravital
Component
SiO
2
34.2
46.2
46
38
50
Ca(PO
3
)
2
—
25.5
16
13.5
7.1
CaO
44.9
20.0
33
31
—
P
2
O
5
16.3
—
—
—
—
Na
2
O
—
4.8
—
4
5
MgO
4.6
2.9
5
—
—
CaF
2
0.5
—
—
—
—
K
2
O
—
0.4
—
—
—
Al
2
O
3
—
—
—
7
1.5
Ta
2
O
5
—
—
—
5.5
—
TiO
2
—
—
—
1
—
B
2
O
3
—
—
—
—
4
Al(PO
3
)
3
—
—
—
—
2.4
SrO
—
—
—
—
20
La
2
O
3
—
—
—
—
6
Gd
2
O
3
—
—
—
—
4
BS [MPa]
215
—
—
70-88
—
E
[GPa]
35
—
—
—
—
BS, bending strength;
E
, Young's modulus.
