欢迎登录材料期刊网

材料期刊网

高级检索

采用模拟体液浸泡法评价碱液处理TLM(Ti-25Nb-3Zr-2Sn-3Mo)合金的生物活性.钛合金TLM经过碱液处理后表面生成了钛(铌)酸钠凝胶层,凝胶层厚度随碱液浓度升高而增加.在模拟体液中浸泡43h后,碱液处理钛表面只有少量磷灰石晶核生成,而碱液处理TLM合金表面有五水磷酸八钙晶粒形成,磷灰石的形核也较多.钛合金TLM在碱液处理时生成的钛(铌)酸钠凝胶层厚于纯钛,而较厚的凝胶层使其生物活性提高.

参考文献

[1] Yu Zhentao;Zheng Yufeng;Niu Jinlong et al.[J].Transactions of Nonferrous Metals Society of China,2007,17(s):495.
[2] 罗丽娟,周廉,于振涛.冷轧及退火工艺对近β钛合金管材组织与力学性能的影响[J].稀有金属材料与工程,2006(05):787-790.
[3] 余森,于振涛.生物医用近β钛合金TLM表面官能化的研究[J].钛工业进展,2008(02):28-31.
[4] Kim HM;Miyaji F;Kokubo T;Nakamura T .Effect of heat treatment on apatite-forming ability of Ti metal induced by alkali treatment[J].Journal of Materials Science. Materials in Medicine,1997(6):341-347.
[5] Chu C L;Chung C Y;Pu Y P et al.[J].Scripta Materialia,2005,52:1117.
[6] 付涛,黄平,憨勇,徐可为.碱液处理诱导钛合金基体表面沉积磷灰石层[J].稀有金属材料与工程,2000(03):168-171.
[7] Wei M;Kim H M;Kokubo T et al.[J].Materials Science and Engineering C,2002,20:125.
[8] Wang,XJ;Li,YC;Lin,JG;Yamada,Y;Hodgson,PD;Wen,CE .In vitro bioactivity evaluation of titanium and niobium metals with different surface morphologies.[J].Acta Biomaterialia,2008(5):1530-1535.
[9] Kokubo T;Kim HM;Kawashita M .Novel bioactive materials with different mechanical properties.[J].Biomaterials,2003(13):2161-2175.
[10] Barabasi A L;Stanley H E.Fractal Concepts in Surface Growth[M].Cambridge:Cambridge University Press,1995
[11] Oyane A;Uchida M;Choong C;Triffitt J;Jones J;Ito A .Simple surface modification of poly(epsilon-caprolactone) for apatite deposition from simulated body fluid.[J].Biomaterials,2005(15):2407-2413.
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:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%