新型医用Ti75,TiZr合金的生物腐蚀行为研究

稀有金属材料与工程, 2004, 33(1): 19-22.

新型医用Ti75,TiZr合金的生物腐蚀行为研究

张玉梅 ^1, , 王勤涛 ^2, , 赵铱民 ^3, , 郭天文 ^4, , 李佐臣 ^5, , ^6, , ^7, , ^8,

1.第四军医大学,陕西,西安,710032

2.第四军医大学,陕西,西安,710032

3.第四军医大学,陕西,西安,710032

4.第四军医大学,陕西,西安,710032

5.西北有色金属研究院,陕西,西安,710016

6.Groupe de Recherche sur les Biomatériaux, Faculté de Médecine, F-59045 Lille cedex, France

7.Groupe de Recherche sur les Biomatériaux, Faculté de Médecine, F-59045 Lille cedex, France

8.ENSCL, BP 108, 59652 Villeneuve d'Ascq, France

基金项目: 中-法合作项目(PRA BT00-07)

关键词：钛合金 , 生物腐蚀

Electrochemical Behavior of Titanium Alloys under Biological Conditions

对两种不含钒元素的新型钛合金(Ti75合金, TiZr合金)及Ti6Al4V合金的腐蚀行为进行了研究,尤其是在体外将0.9% NaCl溶液、细胞培养液及活性细胞等作为腐蚀液,比较了几种钛合金的腐蚀行为.结果表明几种钛合金在自腐蚀电位(Er)、腐蚀电位(Ec)和维钝电流密度 (Ip)等方面均表现出良好的电化学行为.其生物腐蚀行为在接近人体生理环境的细胞培养液及活性细胞环境中,与在0.9% NaCl溶液中有很大差异.Ti75合金与TiZr合金在生物环境中比Ti6Al4V合金具有更高的稳定性.

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