P28_page_6

P28 | page 6 | https://thedailydialectics.com/pdfs/P28/P28.pdf

phase was formed which was the orthorhombic ZrO» phase after a heat-treatment at 550 °C during 6 h [13]. 350 + * 200 * & 210, monoclinic ++ space group : P21/c (14) cas -erormacar 250 +2r0,, tetragonal space group : P42inme (137) cas overarie Intaraty (we) | 2-theta (") Figure 5: XRD pattern of the…