研究Ti3Zr2Sn3Mo25Nb医用钛合金中相变演化过程和亚稳相对合金强度和弹性模量的影响规律.结果表明:Ti3Zr2Sn3Mo25Nb合金中相的演化过程为β→ω→α″→α,其中亚稳ω相及α″相的尺寸、数量及分布对合金强度、弹性模量及塑性的影响显著.ω相的尺寸越小,数量越多,分布越均匀,这有利于提高合金强度,降低塑性和弹性模量;通过控制亚稳ω相及α″相的尺寸、数量和分布,可以在一定范围里调整Ti3Zr2Sn3Mo25Nb合金的力学性能变化,从而得到更好的生物力学性能匹配.
参考文献
| [1] | Majumdar, P;Singh, SB;Chakraborty, M .Elastic modulus of biomedical titanium alloys by nano-indentation and ultrasonic techniques - A comparative study[J].Materials Science and Engineering. A, Structural Materials: Properties, Microstructure and Processing,2008(1/2):419-425. |
| [2] | RAABE D;SANDER B;MA D .Theory-guided bottom-up design of b-titanium alloys as biomaterials based on -rst principles calculations:Theory and experiments neugebauer[J].Acta Materialia,2007,55:4475-4487. |
| [3] | Wacek Pachla;Mariusz Kulczyk;Malgorzata Sus-Ryszkowska;Andrzej Mazur;Krzysztof J. Kurzydlowski .Nanocrystalline titanium produced by hydrostatic extrusion[J].Journal of Materials Processing Technology,2008(1/3):173-182. |
| [4] | YU Zhen-tao;ZHENG Yu-feng;NIU Jin-long;HUANG Fu-qiang ZHANG Ya-feng YU Sen .Microstructure and wear resistance of Ti-3Zr-2Sn-3Mo-15Nb(TLM)alloy[J].Transactions of Nonferrous Metals Society of China,2007,17(z1):495-499. |
| [5] | Hao YL;Li SJ;Sun SY;Zheng CY;Yang R .Elastic deformation behaviour of Ti-24Nb-4Zr-7.9Sn for biomedical applications.[J].Acta biomaterialia,2007(2):277-286. |
| [6] | Ying Long Zhou;Mitsuo Niinomi;Toshikazu Akahori .Effects of Ta content on Young's modulus and tensile properties of binary Ti-Ta alloys for biomedical applications[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2004(1/2):283-290. |
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%