Figure 4.
Scanning electron micrographs of PP/20% HANR (A), PP/0.5% CNF–20% HANR (B), and PP/2% CNF–20% HANR (C) composites. White arrows indicate CNFs.
Abbreviations: PP, polypropylene; CNF, carbon nanofiber; HANR, hydroxyapatite nanorod.
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