Abstract
A low modulus near (type titanium alloy (Ti-25Nb-3Zr-2Sn-3Mo, or TLM alloy) was subjected to hydrothermal treatments with a urea solution at different temperatures followed by heat treatment. The surface structure, the chemical composition, adhesion and hydrophilicity of the treated TLM alloy were investigated by SEM, XRD, XPS, Rockwell-C indentation test and contact angle measurement. The results show that nanosheet films of ammonium titanate can be formed at 105 and 120°C , while the nanoparticle film of anatase TiO2 containing Nb2O5 is formed at 150°C on the alloy surface. The subsequent annealing heat treatment at 400°C can decompose the ammonium salts and crystallize titania. The obtained oxide films have a good adhesion. The duplex treatment has enhanced the hydrophilicity of the TLM alloy, and it would be good for its biocompatibility.
Original language | English |
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Pages (from-to) | 291-295 |
Number of pages | 5 |
Journal | Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering |
Volume | 43 |
Issue number | 2 |
Publication status | Published - Feb 2014 |
Externally published | Yes |
Keywords
- Biomaterials
- Hydrophilicity
- Hydrothermal
- Titanium alloy