Vacuum wetting of Ag/TA2 to develop a novel micron porous Ti with significant biocompatibility and antibacterial activity

Liu，Guanpeng1; Li，Yulong1,2; Yan，Ming3; Feng，Jicai4; Cao，Jian4; Lei，Min1; Liu，Quanwen5; Hu，Xiaowu1; Wang，Wenqin1; Li，Xuewen6

2022-07-20

10.1016/j.jmst.2021.11.045

JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY   影响因子和分区

1005-0302

Porous Ti with low modulus, excellent bio-corrosion resistance, biocompatibility, and antibacterial activity is highly pursued as advanced implant materials. In this work, a new approach to prepare micron porous structures on the surface layer of a grade 2 commercially-pure Ti (TA2) was proposed, which utilized a simple vacuum wetting process of pure Ag on the surface of TA2. The microstructure, corrosion resistance, biocompatibility, mechanical properties, antibacterial ability, and formation mechanism of the as-fabricated porous Ti were studied. The results show that the pores (with average pore sizes of 0.5–5 μm) are distributed on the surface layer of the TA2 with a depth of ∼10 μm. In particular, a large number of silver nanoparticles (AgNPs) form which are dispersed on the porous structures. The formation mechanisms of the porous structures and AgNPs were elucidated, suggesting that the volatilization/sublimation of Ag in TA2 is crucial. The porous Ti possesses excellent bio-corrosion resistance, surface wettability, biocompatibility, antibacterial activity, and a relatively low elastic modulus of 40–55 GPa, which may have a promising future in the field of orthopedic implants. This work also provides a novel idea for the development of advanced porous Ti materials for orthopedic-related basic research and biomedical applications.

Antibacterial activity Biomaterials Porous surface Porous titanium Vacuum wetting

EI

英语

其他

20220711626112

Corrosion resistance ; Elastic moduli ; Medical applications ; Pore size ; Silver nanoparticles ; Surface resistance ; Titanium ; Wetting

Immunology:461.9.1 ; Metals Corrosion:539.1 ; Titanium and Alloys:542.3 ; Electricity: Basic Concepts and Phenomena:701.1 ; Nanotechnology:761 ; Physical Properties of Gases, Liquids and Solids:931.2 ; Materials Science:951

MATERIALS SCIENCE

2-s2.0-85124254988

Scopus

1.Key Lab for Robot and Welding Automation of Jiangxi Province,Mechanical and Electrical Engineering School,Nanchang University,Nanchang,330031,China
2.Jiangxi Provincial Key Laboratory of Interdisciplinary Science,Nanchang University,Nanchang,330031,China
3.Department of Materials Science and Engineering,and Shenzhen Key Laboratory for Additive Manufacturing of High-Performance Materials,Southern University of Science and Technology,Shenzhen,518055,China
4.State Key Lab of Advanced Welding and Joining,Harbin Institute of Technology,Harbin,150001,China
5.The National Engineering Research Center for Bioengineering Drugs and the Technologies,Institute of Translational Medicine,Nanchang University,Nanchang,330031,China
6.The Engineering Training Center of Nanchang University,Mechanical and Electrical Engineering School,Nanchang University,Nanchang,330031,China

Liu，Guanpeng,Li，Yulong,Yan，Ming,et al. Vacuum wetting of Ag/TA2 to develop a novel micron porous Ti with significant biocompatibility and antibacterial activity[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2022,116:180-191.

Liu，Guanpeng.,Li，Yulong.,Yan，Ming.,Feng，Jicai.,Cao，Jian.,...&Li，Xuewen.(2022).Vacuum wetting of Ag/TA2 to develop a novel micron porous Ti with significant biocompatibility and antibacterial activity.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,116,180-191.

Liu，Guanpeng,et al."Vacuum wetting of Ag/TA2 to develop a novel micron porous Ti with significant biocompatibility and antibacterial activity".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 116(2022):180-191.