Research Article

The Influence of Electrolytic Concentration on the Electrochemical Deposition of Calcium Phosphate Coating on a Direct Laser Metal Forming Surface

Figure 5

Contact angle of various study groups: control group (a), group 10−4 (b), group 10−3 (c), and group 10−2 (d).
(a)
(b)
(c)
(d)