نتایج جستجو برای: co crtio2 coating

تعداد نتایج: 368444  

Journal: :Entropy 2016
Che-Wei Tsai Kuen-Cheng Sung Kzauki Kasai Hideyuki Murakami

The isothermal oxidation resistance of Al0.2Co1.5CrFeNi1.5Ti0.3 high-entropy alloy is analyzed and the microstructural evolution of the oxide layer is studied. The limited aluminum, about 3.6 at %, leads to the non-continuous alumina. The present alloy is insufficient for severe circumstances only due to chromium oxide that is 10 μm after 1173 K for 360 h. Thus, the aluminized high-entropy allo...

Journal: :Nanoscale 2013
Xianfeng Gao Dongsheng Guan Jingwan Huo Junhong Chen Chris Yuan

Dye sensitized solar cells were fabricated with free standing TiO2 nanotube (TNT) array films, which were prepared by template assisted atomic layer deposition (ALD) with precise wall thickness control. Efforts to improve the photovoltaic performance were made by using Al2O3 barrier layer coating in conjunction with TiCl4 surface modification. An Al2O3 thin layer was deposited on the TNT electr...

Journal: :Physical chemistry chemical physics : PCCP 2010
Liping Li Guangshe Li Jiaoxing Xu Jing Zheng Wenming Tong Wanbiao Hu

This work initiated a systematic study on the chemical nature of organic coating for monodispersed nanoparticles and its impact on the defect chemistry and the relevant properties. Monodispersed TiO(2) nanoparticles were prepared by a nonhydrolytic sol-gel reaction, which showed features of uniform diameter distribution around 5.2 nm, high crystallinity, and single anatase structure. These nano...

2007
A. Aliseda E. J. Hopfinger J. C. Lasheras D. M. Kremer A. Berchielli E. K. Connolly

This paper describes a collaborative theoretical and experimental research effort to investigate the performance of co-axial atomizers utilized in pharmaceutical tablet coating when atomizing common tablet coating solutions under typical processing conditions. In pharmaceutically relevant applications, the liquids being atomized are typically complex, non-Newtonian fluids which may contain poly...

Journal: :View 2021

In article number 20200187, Parinaz Fathi, Xiaoyuan Chen and their co-workers have displayed a “Giftwrapping Nanoparticles” scene where coating nanoparticles with extracellular vesicles enables targeted uptake.

Journal: :Journal of the Japan Society of Powder and Powder Metallurgy 2009

2017
Mohamed A. Habila Zeid A. ALOthman Ahmed Mohamed El-Toni Joselito Puzon Labis Aslam Khan Adel Al-Marghany Hussein Elsayed Elafifi

Magnetic nanoparticles are used in adsorptive removal of heavy metals from polluted wastewater. However, their poor stability in an acidic medium necessitates their protection with a coating layer. Coating magnetic nanoparticles with carbon showed proper protection but the heavy metal removal efficiency was slightly weak. However, to boost the removal efficiencies of surface functionalization, ...

2001
Alexander Bismarck Angelika Menner Jorg Barner Adam F. Lee Karen Wilson Jurgen Springer Jurgen P. Rabe A. Sezai Saraç

Ž . The electrocopolymerization of carbazole and acrylamide on highly oriented pyrolytic graphite HOPG from ACN solutions Ž . via cyclovoltammetry CV was studied in order to evaluate the possibility to deposit uniform and thin but pinhole-free and still reactive coatings onto graphite-like substrates. The morphology of the coatings was investigated using atomic force microscopy and the coating ...

This study investigates the effect of carbide particle size on the microstructure, mechanical properties, and abrasive wear resistance of WC-17%Co HVOF-sprayed coatings. The characteristics of WC-1, WC-2, and WC-3 coatings with carbide sizes of 1 µm, 0.9 µm, and 0.5 µm, respectively, were also investigated. WC-1 coating experienced the maximum carbon loss of 42%, while WC-2 and WC-3 coatings un...

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