碳纤维增强BT-HA复合材料的制备与性能

硅酸盐通报 ›› 2022, Vol. 41 ›› Issue (3): 994-1001.

碳纤维增强BT-HA复合材料的制备与性能

王阮彬¹, 程丽乾¹, 逯景桐¹, 金若其¹, 贺铭哲², 闫树浩³, 蒋大梅⁴, 邓世捷⁴, 褚祥诚²

1.中国矿业大学北京材料科学与工程学院,北京 100083;
2.清华大学材料学院新型陶瓷与精细工艺国家重点实验室,北京 100084;
3.北京科技大学新材料技术研究院,北京 100083;
4.佛山华南新材料研究院,佛山 528000

收稿日期:2021-06-08 修回日期:2021-12-03 出版日期:2022-03-15 发布日期:2022-04-08
通讯作者: 程丽乾,博士,副教授。E-mail:chenglq@cumtb.edu.cn褚祥诚,博士,副研究员。E-mail:chuxiangcheng@mail.tsinghua.edu.cn
作者简介:王阮彬(1994—),男,硕士研究生。主要从事生物3D打印的研究。E-mail:2978163452@qq.com
基金资助:
国家自然科学基金(51602345);清华大学材料学院新型陶瓷与精细工艺国家重点实验室(KFZD201901,KF201910);煤炭资源与安全开采国家重点实验室开放基金(SKLCRSM19KFA13);中央高校基础研究基金(2016QJ01);广东省自然科学基金普通项目(2021A1515011810);区域联合基金青年项目(2020A151110220)

Preparation and Properties of Carbon Fiber Reinforced BT-HA Composites

WANG Ruanbin¹, CHENG Liqian¹, LU Jingtong¹, JIN Ruoqi¹, HE Mingzhe², YAN Shuhao³, JIANG Damei⁴, DENG Shijie⁴, CHU Xiangcheng²

1. School of Materials Science and Engineering, China University of Mining and Technology Beijing, Beijing 100083, China;
2. State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China;
3. Institute of New Materials Technology, Beijing University of Science and Technology, Beijing 100083, China;
4. Foshan South China New Materials Research Institute, Foshan 528000, China

Received:2021-06-08 Revised:2021-12-03 Online:2022-03-15 Published:2022-04-08

摘要/Abstract

摘要： 目前,人工骨由于力学性能不佳在应用上受到极大的限制,因此,如何在保证人工骨具有压电性能和生物性能的前提下提高其力学性能成为了研究热点。本文以钛酸钡-羟基磷灰石(BT-HA)复合材料为基体,质量分数为5%的碳纤维(C_f)作为增强体,利用传统固相烧结法制备了C_f/BT-HA复合材料,目的是在保证电学性能不变的前提下提高复合材料的力学性能。结果表明,BT-HA复合材料中加入C_f后,电学性能基本保持不变,力学性能得到了很大的提升。样品具有较好的铁电性,压电常数d₃₃为37 pC/N,居里温度为170 ℃,高于人工骨的使用温度。抗弯强度达到121.7 MPa,硬度达到3.56 GPa,均增大到未加C_f样品的3倍,断裂韧性增加了1倍,达到1.21 MPa·m^1/2。C_f/BT-HA复合材料没有细胞毒性且骨诱导性良好,有望应用于骨替代材料领域。

关键词: 人工骨, 碳纤维, 钛酸钡-羟基磷灰石复合材料, 压电性能, 力学性能, 细胞毒性, 骨诱导性

Abstract: At present, the application of artificial bone is greatly limited due to its poor mechanical properties. Therefore, it has become a research interest to obtain the artificial bone with improved mechanical properties, while its original piezoelectric and biological properties are maintained. In this paper,in order to improve the mechanical properties of the composite while keeping the electrical properties unchanged, the carbon fiber/barium titanate-hydroxyapatite (C_f/BT-HA) composite was prepared by traditional solid-phase sintering method using barium titanate-hydroxyapatite (BT-HA) composite as matrix and carbon fiber (C_f) with 5% (mass fraction) as reinforcement.The results show that the electrical properties remain unchanged and the mechanical properties are greatly improved after adding C_f into the composite. The samples possess excellent ferroelectric properties, the piezoelectric constant d₃₃ is 37 pC/N, and the Curie temperature is 170 ℃, which is higher than the artificial bone service temperature. The bending strength is 121.7 MPa, and the hardness is 3.56 GPa, both of which are three times of the original. The fracture toughness is also doubled, reaching 1.21 MPa·m^1/2. C_f/BT-HA composites have no cytotoxicity and good osteoinduction. It is found that C_f/BT-HA composites would be a promising bone substitute material.

Key words: artificial bone, carbon fiber, barium titanate-hydroxyapatite composite, piezoelectric property, mechanical property, cytotoxicity, osteoinductivity

中图分类号:

王阮彬, 程丽乾, 逯景桐, 金若其, 贺铭哲, 闫树浩, 蒋大梅, 邓世捷, 褚祥诚. 碳纤维增强BT-HA复合材料的制备与性能[J]. 硅酸盐通报, 2022, 41(3): 994-1001.

WANG Ruanbin, CHENG Liqian, LU Jingtong, JIN Ruoqi, HE Mingzhe, YAN Shuhao, JIANG Damei, DENG Shijie, CHU Xiangcheng. Preparation and Properties of Carbon Fiber Reinforced BT-HA Composites[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2022, 41(3): 994-1001.

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