Fig. 4.
SEM - SE images of the Mg/CDHA composites after hydrothermal treatment at (a, d) 37 °C for 7 days (Mg/CDHA-37), (b, e) 90 °C for 6 h (Mg/CDHA-90), and (c, f) 190 °C for 30 min (Mg/CDHA-190). Red arrows point to the pores at the Mg/CDHA interface produced by hydrogen release before α-TCP hardening.
