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SEM observation of the structure and surface morphology of the pTa and porous SiC scaffold: (A) porous silicon carbide scaffold, where the pore structure is similar to that of a human trabecular structure; (B) pTa scaffold with fully connected 3D pore structure, where the ta metal was uniformly coated on the SiC scaffold; (C) crystal structure and size; (D) Ta coating thickness. Scale bar = 50 μm.
