| 新型医用镁钙合金锌离子注入改性及其腐蚀行为研究 |
| |
| 引用本文： | 何芳,万怡灶,周晓凇,黄远,王玉林.新型医用镁钙合金锌离子注入改性及其腐蚀行为研究[J].金属热处理,2009,34(4). |
| |
| 作者姓名： | 何芳 万怡灶 周晓凇 黄远 王玉林 |
| |
| 作者单位： | 1. 天津大学材料科学与工程学院,天津,300072;天津市材料复合与功能化重点实验室,天津,300072
2. 天津大学材料科学与工程学院,天津,300072 |
| |
| 摘 要： | 从冶金学和生物学两方面综合考虑,熔炼出力学性能可满足硬组织植入材料要求的新型医用镁钙合金,并通过Zn离子注入进行了表面改性.采用显微组织观察和力学性能测试对离子注入前后材料的耐蚀性进行了研究.结果表明,随着钙含量的增加,镁钙合金压缩及弯曲模量提高,而压缩及弯曲强度和变形能力略有下降.Zn离子注入后,镁钙合金表面硬度和弹性模量略有增大.合金化和热处理可有效提高镁钙合金在模拟体液(SBF)中的极化阻力(Rp);离子注入后极化阻力下降,但利于镁钙合金表面稳定保护层的形成而使其耐蚀性提高.
|
| 关 键 词： | 生物材料 镁钙合金 力学性能 锌离子注入 耐蚀性 |
Zn ion implantation and corrosion behavior of new medical Mg-Ca alloys |
| |
| HE Fang,WAN Yi-zao,ZHOU Xiao-seng,HUANG Yuan,WANG Yu-lin.Zn ion implantation and corrosion behavior of new medical Mg-Ca alloys[J].Heat Treatment of Metals,2009,34(4). |
| |
| Authors: | HE Fang WAN Yi-zao ZHOU Xiao-seng HUANG Yuan WANG Yu-lin |
| |
| Affiliation: | 1.School of Materials Science & Engineering;Tianjin University;Tianjin 300072;China;2.Tianjin Key Laboratory of Composite and Functional Materials;China |
| |
| Abstract: | New medical Mg-Ca alloys were prepared with a view of comprehensive consideration of biology and metallurgy.The mechanical properties of the alloys could meet the requirement of hard tissue implantation to the materials.The surface modification through Zn ion implantation was carried out.The corrosion resistance of the Mg-Ca alloys before and after ion implantation was analyzed with an observation of metallographic structure and tests of mechanical properties.The results show that the compression and bendin... |
| |
| Keywords: | biomaterials Mg-Ca alloy mechanical property Zn ion implantation corrosion resistance |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
