Diffusion Bonding of Ti-6Al-4V Sheet with Ti-6Al-4V Foam for Biomedical Implant Applications

被引：4
|
作者：
Hamilton, Brittany [1 ]
Oppenheimer, Scott [2 ]
Dunand, David C. [2 ]
Lewis, Daniel [1 ]
机构：
[1] Rensselaer Polytech Inst, Dept Mat Sci & Engn, Troy, NY 12180 USA
[2] Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA
来源：
METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE | 2013年 / 44卷 / 06期
关键词：
TITANIUM-ALLOY; METAL; BONE; MANUFACTURE; PERSPECTIVE; SURFACES; INGROWTH;
D O I：
10.1007/s11663-013-9942-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Advanced metallic bone implants are designed to have a porous surface to improve osseointegration and reduce risks of loosening. An alternative approach to existing surface treatments to create a porous surface is to bond separately produced metallic foams onto the implant. To assess the feasibility of this approach, a Ti-6Al-4V foam was diffusion bonded onto bulk Ti-6Al-4V in an argon atmosphere at temperatures between 1173 K and 1223 K (900 A degrees C and 950 A degrees C) for times between 45 and 75 minutes. These specimens were tested in tension to determine bond quality: failures occurred in the foam, indicating a strong diffusion-bonded interface. The quality of the bond was confirmed by metallographic studies, indicating that this approach, which can also be applied to creating of sandwich with porous cores, is successful.
引用
收藏
页码：1554 / 1559
页数：6
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