以铌酸锂(LiNbO3)作为压电增韧相,碳纳米管(CNTs)/羟基磷灰石(HAp)复合粉料作为基体,通过热压烧结在较低的温度下制得一种力学性能优良的骨组织替代材料.主要研究了不同烧结温度下LiNbO3的加入对复合材料的物相组成、微观结构和力学性能的影响.结果表明:在热压烧结过程中,LiNbO3部分与HAp发生反应生成新相CaNb2O6.当烧结温度为900℃时,加入48.5wt％ LiNbO3的复合材料的抗弯强度和断裂韧性分别达到135MPa和1.71 MPa·m1/2,相比基体材料分别提高了55％和109％.
参考文献
| [1] | Evans A G Perspective on the development of high-toughness ceramics.J.Am.Ceram,Soc.,1990,73(2):187-206. |
| [2] | Becher P F.Microstructural design of toughened ceramics.J.Am.Ceram.Soc.,1991,74(2):255-269. |
| [3] | Chen X M,Yang B.A new approach for toughening of ceramics.Materials Letters,1997,33(3):237-240. |
| [4] | Yang B,Chen X M.Alumina ceramics toughened by a piezoelectric secondary phase.Journal of the European Ceramic Society,2000,20(11):1687-1690. |
| [5] | Yang B,Chen X M,Liu X Q.Effect of BaTiO3 addition on structures and mechanical properties of 3Y-TZP ceramics.Journal of the European Ceramic Society,2000,20(8):1153-1158. |
| [6] | Chen X M,Liu X Q,Liu F,et al.3Y-TZP ceramics toughened by Sr2Nb2O7 secondary phase.Journal of the European Ceramic Society,2001,21(4):477-481. |
| [7] | Liu X Q,Chen X M.Toughening of 8Y-FSZ ceramics by neodymium titanate secondary phase.J.Am.Ceram,Soc.,2005,88(2):456-458. |
| [8] | Liu Y G,Jia D C,Zhou Y.Microstructure and mechanical properties of a lithium tantalite-dispersed-alumina ceramic composite.Ceramics International,2002,28(1):111-114. |
| [9] | Nagai T.Preparation of a barium titanate-dispersed-magnesia nanocomposite.J.Am.Ceram.Soc.,2005,81(2):425-428. |
| [10] | Li J Y,Dai H,Zhong X H,et al.Lanthanum zirconate ceramic toughened by BaTiO3 secondary phase.Journal of Alloys and Compounds,2008,452(2):406-409. |
| [11] | Boccaccini A R.Toughening of glass by a piezoelectric secondary phase.J.Am.Ceram.Soc.,2003,86(1):180-182. |
| [12] | Burg K J L,Porter S,Kellam J F.Biomaterial developments for bone tissue engineering.Biomaterials,2000,21(23):2347-2359. |
| [13] | 李爱民.CNTs/HAp纳微米生物复合材料及其生物相容性研究.济南:山东大学博士论文,2004. |
| [14] | 陈立今,陈治清,张敏.一种新型的骨修复材料—压电陶瓷.生物医学工程学杂志,2001,18(4):577-579. |
| [15] | 李继红,冯建清,陈红,等.生物压电陶瓷复合种植材料的微观结构表征.四川大学学报(自然科学版),1997,34(3):296-300. |
| [16] | 张福学.现代压电学(上册).北京:科学出版社,2001. |
| [17] | Feng J Q,Yuan H P,Zhang X D.Promotion of osteogenesis by a piezoelectric biological ceramic.Biomaterials,1997,18(23):1531-1534. |
| [18] | 王鹏.铌酸锂钠钾新型生物压电陶瓷的研究.成都:四川大学博士论文,2007. |
| [19] | 卢志华,孙康宁,任帅,等(LU Zhi-Hua,et al).多壁碳纳米管的表面修饰及分散性研究.稀有金属材料与工程(Rare Metal Mat.Eng.),2007,36(S3):100-103. |
| [20] | 郭胜利,靳跃鹏,赵浩峰.锌铝基镁铅合金块状固体的物相组成和质量分数标定.材料导报,2009,23(2):64-74. |
| [21] | 房俊卓,徐崇福.三种X射线物相定量分析方法对比研究.煤炭转化,2010,33(2):88-91. |
| [22] | 施济民,张清纯,杨国钧(SHI Ji-Min,et al).LiNbO3晶体的力学参数与晶面取向间的关系.无机材料学报(Journal of Inorganic Materials),1989,4(1):8-16. |
| [23] | 卢志华.羟基磷灰石修饰碳纳米管自组装技术及其复合材料研究.济南:山东大学博士论文,2008. |
| [24] | 顾汉卿,徐国风.生物医学材料学.天津:天津科技翻译出版公司,1993:54-69. |
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