Journal
MATERIALS LETTERS
Volume 294, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2021.129802
Keywords
Porous materials; Nanoparticles; Surfaces; Vacuum brazing; Wetting and spreading
Funding
- National Natural Science Foundation of China [51665038, 52065043]
- Academic and Technical Leaders Founding Project of Major Disciplines of Jiangxi Province [20182BCB22001]
- Jiangxi Science Fund for Distinguished Young Scholars [2018ACB21015]
- Science and Technology Innovation High Level Talent Project of Double Thousand Plan of Jiangxi Province [jxsq2019201048]
- Shenzhen Science and Technology Innovation Commission [JCYJ20180504165824643]
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The study successfully fabricated a micron-scale porous structure on the surface of commercially-pure Ti, with a large number of silver nanoparticles dispersed on the surfaces of the pores. The microstructure characteristics and chemical compositions of the porous structure were characterized in detail, providing a new strategy for the design or surface modification of advanced porous Ti materials.
This study reports an interesting phenomenon that a micron-scale porous structure was fabricated on the surface of a grade 1 commercially-pure Ti (TA1) when a brazing wetting experiment of pure Ag was conducted in high vacuum. Especially, a large number of silver nanoparticles (AgNPs) were formed dispersing on the surfaces of the pores. The microstructure characteristics and chemical compositions of the porous structure were characterized in detail. Based on the above findings, a novel method has been successfully developed for fabricating a micron-scale porous structure on the surface of TA1. The present findings provide a new strategy for the design or surface modification of advanced porous Ti materials. (C) 2021 Elsevier B.V. All rights reserved.
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