Fig. 9From: Comparison of the effect of argon, hydrogen, and nitrogen gases on the reduced graphene oxide-hydroxyapatite nanocomposites characteristicsa, b FESEM images of the sintered powders synthesized using nitrogen (IV) gas injection (10 bar) and c load–displacement diagrams for the sintered powders synthesized using volume change (I), argon (II), hydrogen (III), nitrogen (IV) gas injection (10 bar), d SEM image of the Vickers affected zoneBack to article page