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Preparation of high-strength beta-CaSiO3 bioceramic with B2O3 and SiO2 sintering additives
Mei, L; Yin, JW; Xia, YF; Yao, DX; Liang, HQ; Zuo, KH; Zeng, YP
2020-11-01
Source PublicationCERAMICS INTERNATIONAL
ISSN0272-8842
Issue16Pages:25970
SubtypeArticle
AbstractCalcium silicate (CS) bioceramic is a promising candidate in bone tissue engineering due to its excellent bioactivity and biodegradability. However, the deficient mechanical properties make it challengeable in hard bone tissue replacement. In this work, high-strength beta-CS bioceramics were prepared with low melting-point B2O3-SO2 sintering additives using liquid phase sintering mechanism via a versatile milling-pressing-pressureless sintering route. The results showed that the addition of B2O3-SO2 could significantly promote densification and induce the in-situ growth of beta-CS rod-like grains. beta-CS ceramics with 5 wt% addition of B2O3/SO2 with mass ratio of 92.5:7.5 sintered at 1000 degrees C for 2 h exhibited a relatively high flexural strength of 228.14 MPa, increased by 340% compared to that of pure beta beta-CS ceramic (52.08 MPa) prepared under the same conditions. The elevated strength fully qualified the strength requirement of cortical bone (135-193 MPa), indicating beta-CS ceramic reinforced with B2O3-SO2 additives had great potential in load-bearing bone repair.
DOI10.1016/j.ceramint.2020.07.086
WOS KeywordCALCIUM SILICATE ; MECHANICAL-PROPERTIES ; CERAMIC SCAFFOLDS ; FABRICATION ; DEGRADATION ; BEHAVIOR
Language英语
WOS Research AreaMaterials Science
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27654
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Mei, L,Yin, JW,Xia, YF,et al. Preparation of high-strength beta-CaSiO3 bioceramic with B2O3 and SiO2 sintering additives[J]. CERAMICS INTERNATIONAL,2020(16):25970.
APA Mei, L.,Yin, JW.,Xia, YF.,Yao, DX.,Liang, HQ.,...&Zeng, YP.(2020).Preparation of high-strength beta-CaSiO3 bioceramic with B2O3 and SiO2 sintering additives.CERAMICS INTERNATIONAL(16),25970.
MLA Mei, L,et al."Preparation of high-strength beta-CaSiO3 bioceramic with B2O3 and SiO2 sintering additives".CERAMICS INTERNATIONAL .16(2020):25970.
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