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Silicon nitride gradient structure biological ceramic and preparation method thereof
The invention provides a silicon nitride gradient structure biological ceramic and a preparation method thereof, and belongs to the field of biological ceramics. The preparation method of the silicon nitride gradient structure biological ceramic comprises the following steps: preparing outer bearing layer slurry, performing slip casting, preparing an inner contact layer filler, performing filling molding, and performing post-treatment. According to the silicon nitride gradient structure biological ceramic and the preparation method thereof, the defect of low toughness of the biological ceramic is effectively overcome, the toughness of the biological ceramic is improved, the bearing performance of the biological ceramic in a human body is ensured, the mechanical stability is improved, the bonding stability of different functional layers of the biological ceramic is improved, and the defect of stress concentration is eliminated; the overall stability of the biological ceramic is improved, and the problems of layering and interface cracking among different functional layers are avoided; the bonding performance of the biological ceramic and human bone tissues is further improved, so that good growth of human bone tissues in contact with the biological ceramic is ensured.
本发明提供一种氮化硅梯度结构生物陶瓷及其制备方法，属于生物陶瓷领域。所述氮化硅梯度结构生物陶瓷的制备方法，由以下步骤组成：制备外承力层浆料、注浆成型、制备内接触层填充料、填充成型、后处理。本发明的氮化硅梯度结构生物陶瓷及其制备方法，有效克服生物陶瓷低韧性缺陷，在改善其韧性，保证其在人体内承力性能，改善力学稳定性的同时，提高生物陶瓷不同功能层之间的结合稳定性，消除应力集中缺陷，提高生物陶瓷的整体稳定性，避免不同功能层之间的分层、界面开裂问题；以及进一步提高生物陶瓷与人体骨骼组织的结合性能，以保证与其接触的人体骨组织良好生长。
Silicon nitride gradient structure biological ceramic and preparation method thereof
The invention provides a silicon nitride gradient structure biological ceramic and a preparation method thereof, and belongs to the field of biological ceramics. The preparation method of the silicon nitride gradient structure biological ceramic comprises the following steps: preparing outer bearing layer slurry, performing slip casting, preparing an inner contact layer filler, performing filling molding, and performing post-treatment. According to the silicon nitride gradient structure biological ceramic and the preparation method thereof, the defect of low toughness of the biological ceramic is effectively overcome, the toughness of the biological ceramic is improved, the bearing performance of the biological ceramic in a human body is ensured, the mechanical stability is improved, the bonding stability of different functional layers of the biological ceramic is improved, and the defect of stress concentration is eliminated; the overall stability of the biological ceramic is improved, and the problems of layering and interface cracking among different functional layers are avoided; the bonding performance of the biological ceramic and human bone tissues is further improved, so that good growth of human bone tissues in contact with the biological ceramic is ensured.
本发明提供一种氮化硅梯度结构生物陶瓷及其制备方法，属于生物陶瓷领域。所述氮化硅梯度结构生物陶瓷的制备方法，由以下步骤组成：制备外承力层浆料、注浆成型、制备内接触层填充料、填充成型、后处理。本发明的氮化硅梯度结构生物陶瓷及其制备方法，有效克服生物陶瓷低韧性缺陷，在改善其韧性，保证其在人体内承力性能，改善力学稳定性的同时，提高生物陶瓷不同功能层之间的结合稳定性，消除应力集中缺陷，提高生物陶瓷的整体稳定性，避免不同功能层之间的分层、界面开裂问题；以及进一步提高生物陶瓷与人体骨骼组织的结合性能，以保证与其接触的人体骨组织良好生长。
Silicon nitride gradient structure biological ceramic and preparation method thereof
一种氮化硅梯度结构生物陶瓷及其制备方法
XU XIANBAO (author) / SUI SONGLIN (author) / MA XUCHAO (author) / WANG YINGYING (author) / LIU JIA (author) / ZHANG PINGPING (author) / YANG YANG (author) / WANG HAORAN (author)
2024-12-24
Patent
Electronic Resource
Chinese
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