以Ca(OH)2和H3PO4为反应物,通过溶胶-凝胶法制备了羟基磷灰石(HA)粉体;用机械混合法制备了304L不锈钢包覆HA粉体;用热压技术制备了纯HA陶瓷材料及HA/304L不锈钢复合材料.1050℃热压烧结后的HA/25vol.%304L复合材料的断裂韧性为2.92 MPa·m1/2,优于纯HA材料(断裂韧性为0.98 MPa·m1/2).显微组织的观察表明,304L不锈钢在材料中呈网状分布.网状分布的金属相能够通过桥接机制对HA基体中的裂纹扩展起到很好的阻碍作用.
参考文献
| [1] | 奚廷斐.生物材料进展（一）[J].生物医学工程与临床,2004(03):184-189. |
| [2] | Hench L L .Bioceramics:from concept to clinic[J].Journal of the American Ceramic Society,1991,74(07):1487-1510. |
| [3] | Knepper M.;Milthorpe BK.;Moricca S. .STABILITY OF HYDROXYAPATITE WHILE PROCESSING SHORT-FIBRE REINFORCED HYDROXYAPATITE CERAMICS[J].Biomaterials,1997(23):1523-1529. |
| [4] | CHENGLIN CHU;XIAOYAN XUE;JINGCHUAN ZHU;ZHONGDA YIN .Mechanical and biological properties of hydroxyapatite reinforced with 40vol. % titanium particles for use as hard tissue replacement[J].Journal of Materials Science. Materials in Medicine,2004(6):665-670. |
| [5] | Pezzotti G.;Asmus SMF. .Fracture behavior of hydroxyapatite/polymer interpenetrating network composites prepared by in situ polymerization process[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2001(1/2):231-237. |
| [6] | Miao X.;Milthorpe BK.;Ruys AJ. .Hydroxyapatite-316L fibre composites prepared by vibration assisted slip casting[J].Journal of Materials Science,2001(13):3323-3332. |
| [7] | Fernandes MH .Effect of stainless steel corrosion products on in vitro biomineralization.[J].Journal of biomaterials applications,1999(2):113-168. |
| [8] | 郭颖,李玉宝.骨修复材料的研究进展[J].世界科技研究与发展,2001(01):33-38. |
| [9] | Suchanek W;Yashima M;Kakihana M et al.Hydroxyapatite/Hydroxyapatite -whisker composition without sintering additives:mechanical properties and microstructure evolution[J].Journal of the American Ceramic Society,1997,80(11):2805-2813. |
| [10] | Doyle C;Tanner E T;Bonfield W .In vitro evaluation of polyhydroxybutyrate reinforced with hydroxyapatite[J].Biomaterials,1991,12(11):841-847. |
| [11] | Rapacz-Kmita A;SlosarCzyk A;Paszkiewicz Z et al.Evaluation of HAP-ZrO2 composites and nonophase HAP bioceramics In vitro study[J].Journal of Materials Science,2004,39(18):5865-5867. |
| [12] | 柯华,宁聪琴,贾德昌,周玉,宋桂明.羟基磷灰石及钛作为骨替代材料的研究进展[J].有色金属,2001(04):8-14. |
| [13] | Tanaka K .Elastic/plastic indentation hardness and indentation fracture toughness:the inclusion core model[J].Journal of Materials Science,1987,22(04):1501-1058. |
| [14] | 龚江宏.陶瓷材料断裂力学[M].北京:清华大学出版社,2001:68-79. |
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