Hydrothermal Crystallization with Microstructural Self-Healing Effect on Mechanical and Failure Behaviors of Plasma-Sprayed Hydroxyapatite Coatings - Biological and Biomedical Coatings: Processing and Characterization - page 261

(a) (b)

Amorphous

Crystallite

(002)

(110)

(201)

(102)

0.5 µm 300 nm

FIGURE 6.17
TEM images of hydrothermally crystallized HACs: (a) HT150 and (b) HT200.

PO

(a)

POH

PO

(b)

POH

PO

(c)

Ti-O

POH

Ti-OH

528 532 536

Binding energy (eV)

FIGURE 6.18
XPS O 1 s spectra curve-fitting results of (a) plasma-sprayed HACs, (b) HT-HACs, and (c) surface close to
HT-HACs/Ti substrate interface.