<trans-title xml:lang="en">Preparation and Properties of Barium Titanate/Calcium Silicate Composite Bioactive Piezoelectric Ceramics</trans-title>

Ziqin WEI; Xiang XIA; Qin LI; Guorong LI; Jiang CHANG

doi:10.15541/jim20210549

Journal of Inorganic Materials, Volume. 37, Issue 6, 617(2022)

Preparation and Properties of Barium Titanate/Calcium Silicate Composite Bioactive Piezoelectric Ceramics

Ziqin WEI1...2, Xiang XIA2, Qin LI2, Guorong LI2, and Jiang CHANG12,* |Show fewer author(s)

Author Affiliations

¹1. College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China

²2. State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China

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Figures & Tables(8)

1. Flow chart of sample preparation

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2. XRD patterns (a) and SEM images (b) of composite ceramics

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3. Characterization of piezoelectric properties of composite ceramics

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4. Characterization of in vitro mineralization

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5. Cell activity of series solutions of extracts from BT and 0.7BT0.3CS by CCK8 assay

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Table 1. Raw material composition of the composite ceramics
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Table 1. Raw material composition of the composite ceramics
BT 0.9BT 0.1CS 0.8BT 0.2CS 0.7BT 0.3CS 0.6BT 0.4CS CS
BT/g 2.0000 1.8951 1.7782 1.6481 1.5014 0
CS/g 0 0.1049 0.2215 0.3519 0.4986 2.0000

Table 2. Piezoelectric constant d₃₃ of composite ceramics
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Table 2. Piezoelectric constant d₃₃ of composite ceramics
BT 0.9BT0.1CS 0.8BT0.2CS 0.7BT0.3CS 0.6BT0.4CS CS
Before mineralization/(pC·N^-1) 169 44 11 4 1 0
After mineralization/(pC·N^-1) 161 39 8 3 0 0

Table 3. Surface element composition of sample after 14 d mineralization
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Table 3. Surface element composition of sample after 14 d mineralization
BT/% 0.9BT0.1CS/% 0.8BT0.2CS/% 0.7BT0.3CS/%
O 59.98 60.53 61.37 7.84
P - 0.74 0.65 6.81
Si - 2.57 7.34 0.23
Ca - 2.04 4.12 8.62
Ti 19.97 17.38 14.42 2.65
Ba 20.05 16.74 12.10 2.71
Ca/P - 2.76 6.34 1.27

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Ziqin WEI, Xiang XIA, Qin LI, Guorong LI, Jiang CHANG. Preparation and Properties of Barium Titanate/Calcium Silicate Composite Bioactive Piezoelectric Ceramics[J]. Journal of Inorganic Materials, 2022, 37(6): 617

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