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. 2021 Jan 18;8:616845. doi: 10.3389/fbioe.2020.616845

Figure 13.

Figure 13

(A) The SEM micrographs of initial powders and photo of the sample, including various zones across the sample; (B) the SEM micrographs of various zones: (a–c) Ti/Zr(–) produced under the pressure of 500 MPa; and (d–f) Ti/Zr(+) that was produced under 1,000 MPa pressure, reproduced with permission of (Matuła et al., 2020).