Biomedical Engineering Reference
In-Depth Information
TABLE 3.3 (Continued)
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
α-Al
2
O
3
0.3-0.5 μm
Nonaqueous
Electrode
separation:
3.5 cm
Medium: ethanol +
n
-butylamine
Dispersant: Dolapix
CE64
100 g/L
25
1550°C,
2 h
48
α-Al
2
O
3
0.2-0.4 μm
Nonaqueous
Electrode
separation:
0.6 cm
Medium: ethanol
Dispersant: polyacrylic
acid, polyethylene
imine
60 wt.%
50
10
25
Deposit
thickness:
4-5 mm
49
α-Al
2
O
3
0.7 μm
Aqueous
versus
nonaqueous
Anode: steel
Cathode: Zn
Electrode
separation:
2 cm
Medium: H
2
O, ethanol
Dispersant: Dolapix
CE64, citric acid
50 wt.%
5-60
25
1550°C,
2 h
50
β-Al
2
O
3
1 μm
Nonaqueous
Anode: stainless
steel
Cathode:
graphite
Medium:
dichloromethane
40 g/L
100-500
0-5
25
1700°-
1750°C,
1-5 h
51
β-Al
2
O
3
Nonaqueous
Anode: stainless
steel, Ni, Invar
Cathode:
stainless steel
Medium:
n
-amyl
alcohol
40-750
g/L
200-
1000
25
1700°-
1825°C
52
37 nm
Aqueous
Anode: graphite
Cathode: Cu
Electrode
separation:
2 cm
Medium: H
2
O
Suspension pH: 2 and 11
pH adjustment: HCl,
NaOH
0.01-0.16
vol.%
30
25
1050°C,
1 h
Porous
deposit,
Pore size
18-25 nm
53
γ-Al
2
O
3
33 nm
Aqueous
Anode: stainless
steel
Cathode: Pd
Electrode
separation:
2 cm
Medium: H
2
O
Suspension pH: 5-6
pH adjustment: HCl,
NaOH
3-5 wt.%
54
γ-Al
2
O
3
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