Biomedical Engineering Reference
In-Depth Information
TABLE 3.3
Summary of Reported Work on Aqueous and Organic Electrophoretic Deposition of Other Bioceramics
Particle
Size
Medium
Type
Solids
Loading
Voltage
(V)
Time
(min)
Temp.
(°C)
Heat
Treatment
Deposit
Properties
Coating
Substrate
SuspensionMedium
Reference
Aqueous
Anode: Pt
Cathode: Zn
Electrode
separation:
2 cm
Medium: H
2
O
Dispersant: Dolapix
CE64
5, 20 wt.%
100+
30
25
1550°C,
2 h
Deposit
thickness:
0.5-1.8 mm
37
α-Al
2
O
3
0.5 μm
Aqueous
Anode:
graphite, Zn
Cathode:
graphite, Zn
Electrode
separation:
2 cm
Medium: H
2
O
Dispersant: Dolapix
CE64 (0-5 wt.%)
5, 10,
20 wt.%
10-30
25-40
None
Deposit
thickness:
2.13-2.23
mm
38
α-Al
2
O
3
α-Al
2
O
3
0.20 μm
Aqueous
For pH < pH
iep
Anode: stainless
steel
Cathode: Pd
Medium: H
2
O
Suspension pH: 2 to 11
pH adjustment: HCl,
NaOH
3 wt.%
0-160
3
25
None
39
For pH > pH
iep
Anode: Zn
Cathode: Pd
Aqueous
Anode: graphite
Cathode: Pd
Electrode
separation:
2 cm
Medium: H
2
O
Suspension pH: 2 to 11
pH adjustment: HCl,
NaOH
Dispersant: Dolapix
CE64 (0.35 wt.%)
5 wt.%
10-700
2, 5
24, 31,
38
1550°C,
2 h
40
α-Al
2
O
3
0.5 μm
Aqueous
Anode: stainless
steel
Cathode: Pt
Electrode
separation:
1.8 cm
Medium: H
2
O
Suspension pH: 10
pH adjustment: HNO
3
Dispersant: Dolapix
ET85, PC33
Binder: 2% PVA
a
in
water
10, 20,
30 wt.%
30-250
2, 5, 10
Deposit
thickness:
10-60 μm
41
α-Al
2
O
3
0.5 μm
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