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http://dx.doi.org/10.4191/kcers.2019.56.2.12

Biocompatibility of 13-93 Bioactive Glass-SiC Fabric Composites  

Park, Jewon (Engineering Ceramics Center, Korea Institute of Ceramic Engineering and Technology)
Na, Hyein (Engineering Ceramics Center, Korea Institute of Ceramic Engineering and Technology)
Choi, Sung-Churl (Division of Materials Science and Engineering Hanyang University)
Kim, Hyeong-Jun (Engineering Ceramics Center, Korea Institute of Ceramic Engineering and Technology)
Publication Information
Journal of the Korean Ceramic Society / v.56, no.2, 2019 , pp. 205-210 More about this Journal
Abstract
Bioactive glass (BG) finds limited use as a bone replacement material owing to its low mechanical properties. In order to solve this problem, the micro-sized 13-93 BG was prepared as a fabric composite with SiC microfibers, and its mechanical properties and biocompatibility were investigated in this study. The tensile strengths of BG-SiC fiber-bundle composites increased in proportion to the number of SiC fibers. In particular, even when only one SiC fiber was substituted, the tensile strength increased by 81% to 1428 MPa. In the early stage of the in-vitro test, a silica-rich layer was formed on the surface of the 13-93 BG fibers. With time, calcium phosphate grew on the silica-rich layer and the BG fibers were delaminated. On the other hand, no products were observed on the SiC fibers for 7 days, therefore, SiC fibers are expected to maintain their strength even after transplantation in the body.
Keywords
Bioactive glass; Bioglass-SiC fabric composite; Mechanical properties; Biocompatibility; Biomedical applications;
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Times Cited By KSCI : 2  (Citation Analysis)
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