本实验采用粉末冶金法制备多孔Ti-35%Nb合金,并对其显微组织、力学及腐蚀性能进行了研究.所制备样品的孔洞分布均匀,孔的连通性好;显微组织主要由β-Ti组成,其压缩曲线表现出典型的开孔泡沫的特征;力学性能能够满足人体多孔骨的移植要求.随着孔隙率的增加弹性模量减小,但强度和腐蚀性能也同时下降.因此,对孔隙率的选择应综合这两方面来考虑.
参考文献
| [1] | Long M;Rack HJ .Titanium alloys in total joint replacement--a materials science perspective.[J].Biomaterials,1998(18):1621-1639. |
| [2] | Noort R V .[J].Journal of Materials Science,1987,22(11):3801. |
| [3] | Niinomi M .[J].Metallurgical and Materials Transactions,2002,33A(03):477. |
| [4] | Xu L J;Chen Y Y;Liu Z G et al.[J].Journal of Alloys and Compounds,2006,453(01):320. |
| [5] | Choubey A;Balasubramaniam R;Basu B .[J].Journal of Alloys and Compounds,2004,381(01):288. |
| [6] | Mantani Y;Tajima M .[J].Materials Science and Engineering A:Structural Mat,2006,438:315. |
| [7] | Zhang R G;Acoff V L .[J].Materials Science and Engineering A:Structural Mat,2007,463(01):67. |
| [8] | Banhart J .[J].Progress in Materials Science,2001,46(06):559. |
| [9] | Murray N G D;Dunand D C .[J].Journal of Materials Research,2006,21(05):1175. |
| [10] | Spoerke E D;Murray N G;Brinson L C et al.[J].ACTA BIOMATERIALIA,2005,l(05):522. |
| [11] | Zitter H;Plenck H Jr .[J].J Biom Mat Res,1987,21(07):881. |
| [12] | Barboian R;Haynes G S.Cycfic Polarisation Measurements-experimental Proeedare and Test Data[M].USA:ASTM STP,1981 |
| [13] | Wen CE;Yamada Y;Hodgson PD .Fabrication of novel TiZr alloy foams for biomedical applications[J].Materials science & engineering, C. Biomimetic and supramolecular systems,2006(8):1439-1444. |
| [14] | 李伯琼 .多孔钛的孔隙特征和力学性能的研究[D].大连交通大学,2005. |
| [15] | 陈秉智,顾元宪,刘书田.松质骨弹性模量计算的均匀化方法[J].应用力学学报,2002(02):70-74. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%