Hydroxyapatite and Other Biomedical Coatings by Electrophoretic Deposition - Biological and Biomedical Coatings: Processing and Characterization - page 112

TABLE 3.6
Summary of Recent Studies of Electrophoretic Deposition of Hydroxyapaptite (HAp)

HAp
Concentration

Voltage
(V)

Time
(min)

Temperature
(°C)

Quality
(Cracks)

Thickness
(μm) Coating HApType Substrate Medium Sintering Reference

Precipitated
HAp

Ti 2-Propanol,

ethanol,
methanol

0.2-8 vol.% 300-600 0.01-10 25 1000°C,

2 h, Ar

Yes/No 50 86

HAp, TCP a

HAp Submicron

HAp powder

Carbon rod Ethanol-HNO 3 ~20 g/L <150 >1.5 25 1150°-

1300°C,
2 h

No 50-200 88

HAp Precipitated

HAp,
HAp powder

Ti6Al4V Isopropanol 75-300 0.2-2 25 900°C,

1 h, Ar,
vacuum

>15 96

HAp Nanomonetite Ti Ethanol-HCl 10 g/L 10-50 1-30 25 97

HAp Gold surface

on quartz
crystal
microbalance

10, 50, 100 5 0.01-0.02 98

HAp Calcined HAp

powder

Ti6Al4V Ethanol 10, 20, 50,

200

1 40 1000°C,

1 h, Ar

No 30 99

HAp HAp powder Pyrolytic

carbon-coated
carbon-carbon
composite rod

Ethanol-glycol 5 g/L 300 0.2-3 20-80 1000°C,

1 h,
vacuum

Yes 100

HAp 316L stainless

steel

Isopropanol 30, 60, 90 1-5, 3 800°C,

1 h, 10 -4-5
Torr

No 20-120 101

HAp Nano-HAp Ti Ethanol 15 g/L 150 1 950°C, 1 h 102

HAp Nano-HAp Ti Acetic

anhydride

10 1 25 800°C, 1 h No 103

HAp HAp powder Fecralloy, 22

wt.% Cr,
4.8 wt.% Al

Ethanol 30 g/L 80 0.5 1000°-

1150°C,
2 h

104

HAp Nano-HAp,

polystyrene
spheres for
pores

Ti Ethanol 100 1 450°-

1000°C,
1 h, air

105