نتایج جستجو برای: anodization technique

تعداد نتایج: 612174  

2008
Jun Wang Zhiqun Lin

Self-organized, freestanding titania (TiO2) membrane with ultrahigh aspect ratio of the length/diameter (∼1500) was fabricated via electrochemical anodization of highly pure titanium (Ti) foil in fluorinecontaining ethylene glycol, followed by a simple and safe detachment of the formed TiO2 membrane from the metallic Ti substrate. The resulting membrane consists of highly ordered, vertically al...

2013
Zhi-Da Gao Yuyao Han Yongmei Wang Jingwen Xu Yan-Yan Song

A highly ordered nanoporous NiTi oxide layers were fabricated on Ti alloys with high Ni contents (50.6 at.%) by a combination of self-organizing anodization at 0°C and subsequent selective etching in H2O2. The key for successful formation of such layers is to sufficiently suppress the dissolve of NiO by applying lower temperature during anodization. The resulting nanoporous structure is connect...

2013
York R. Smith Rupashree S. Ray Krista Carlson Biplab Sarma Mano Misra

Metal oxide nanotubes have become a widely investigated material, more specifically, self-organized titania nanotube arrays synthesized by electrochemical anodization. As a highly investigated material with a wide gamut of applications, the majority of published literature focuses on the solar-based applications of this material. The scope of this review summarizes some of the recent advances m...

Journal: :Physica Status Solidi A-applications and Materials Science 2021

Electrochemical Anodization Self-organised TiO2 nanotubes are synthesized on a Ti substrate using electrochemical anodization. In article number 2100040 by Patrik Schmuki and co-workers, thermal annealing of the tubes up to 450 °C in air at different ramping rates investigated for their effect photoelectrochemical performance. A rate 1 s–1 leads highest performance due most effective charge sep...

2015
Azhang Hamlekhan Tolou Shokuhfar Christos Takoudis Mathew T. Mathew

Titanium and its alloys are typically used for fabrication of dental and orthopedic implants as they posses various desirable properties including biocompatibility and corrosion resistance. In spite of such benefits, titanium implants show lack of osseointegration after surgery in minor cases. The objective of this research has been to modify the surface of titanium alloy for medical applicatio...

Journal: :IBM Journal of Research and Development 1999
Dennis W. Hess

Plasma-assisted oxidation, anodization, and nitridation of silicon have been performed in microwave, rf, and dc plasmas with a variety of reactor configurations and a range of plasma densities. Compared to thermal processes at equivalent substrate temperatures, film growth rates are accelerated by the plasma-enhanced generation of reactive chemical species or by the presence of electric fields ...

Journal: :Jitsumu Hyomen Gijutsu 1981

Copper alloys are widely used in the manufacturing of heat transfer applications, this due to their excellent heat transfer properties. Copper contamination is one of the serious industrial problems in the boiler feed water system. This contamination commonly resulted from copper corrosion reactions in boiler feed water environment. The best way to reduce the copper contamination is by improvin...

2016
S. Goodarzi N. Nezafati

Titanium alloys have been extensively used as promising implant materials. The anodic oxide layer on the surface of this alloy can be a compact, porous or a tubular structure, which has a direct impact on the final characteristics of the implants. In this study, nano topographic oxide arrays were synthesized on the surface of titanium substrates using an anodic oxidation technique. The anodizat...

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