Hydroxyapatite and Other Biomedical Coatings by Electrophoretic Deposition - Biological and Biomedical Coatings: Processing and Characterization - page 94

2 2

1 3

3

4

4

(a)
Time = 0

(b)
Time = 1 day

(c)
Time = 7 days

Slow rate of settling (dispersed)

2

2

3

3

1

4

4

(a)
Time = 0

(b)
Time = 1 day

(b)

(c)
Time = 7 days

(c)

Moderate rate of settling (weakly deflocculated)

2

2

1

4

4

(a)
Time = 0

(b)
Time = 1 day

(c)
Time = 7 days

Fast rate of settling (strongly deflocculated)

1 — Homogeneous suspension
2 — Supernatant zone
3 — Suspension zone
4 — Sediment zone

FIGURE 3.9
Typical results of initial sedimentation tests. (Reprinted from Taib, H., Synthesis and Electrophoretic Deposition
of Tin Oxide (SnO 2 ). Ph.D. Thesis, University of New South Wales, 2009. With permission.)