Fig. 1

Schematic illustration of bioceramic granules preparation, primary characterization of the bioceramic granules and SEM images of the bioceramic granules after sintering. (A) Schematic procedure of bioceramic fiber precursor preparation, Figures were created with BioRender.com; (B) Changes in diameter of the fibrous granules; (C) XRD patterns of ion-doped CSi granules; (D) SEM images of the bioceramic powders after sintering.