نتایج جستجو برای: deposition kinetics

تعداد نتایج: 187944  

Journal: :Materials Letters 2021

The application of ceramic protective coatings to the metallic interconnects in solid oxide cells (SOCs) is a viable and effective method limit interconnect degradation issues. This featured letter provides critical overview main outcomes current research on use electrophoretic deposition (EPD) technique produce for SOC interconnects, specifically focusing different approaches stabilise spinel-...

Journal: :Additive manufacturing 2021

Directed Energy Deposition Additive Manufacturing (DED-AM) is transformative for the production of larger, geometrically complex metallic components. However, mechanical properties titanium alloy DED-AM components do not always reach their full potential due to microstructural features including porosity and regions lack fusion. Using in situ operando synchrotron X-ray imaging we gain insights ...

Journal: :The Review of scientific instruments 2017
O Sanni O Bukuaghangin M Huggan N Kapur T Charpentier A Neville

There is a considerable interest to investigate surface crystallization in order to have a full mechanistic understanding of how layers of sparingly soluble salts (scale) build on component surfaces. Despite much recent attention, a suitable methodology to improve on the understanding of the precipitation/deposition systems to enable the construction of an accurate surface deposition kinetic mo...

Journal: : 2022

The paper formulates the problem of joint electrolytic co-deposition metal ions and ultradispersed diamond particles into a matrix. It presents developed mathematical model that describes mechanism kinetics cathode process, mass transfer particles. A satisfactory correlation with experimental data was obtained. contribution thermal action laser radiation to intensification process dispersed det...

Journal: :Crystal Growth & Design 2021

We employed chemical vapor deposition (CVD) from powder precursors aiming at large-area growth of molybdenum ditelluride (MoTe2) thin films, with controlled allotropic 2H and 1T′ phases. This major outcome entails tuning the parametric conditions precursor fluxes during deposition. Using a physical barrier, we induce concentration gradient Te precursor, thus enabling control flux fluid dynamics...

Journal: :Angewandte Chemie 2021

Commercialization of the lithium-sulfur battery is hampered by bottlenecks like low sulfur loading, high cathode porosity, uncontrollable Li2Sx deposition and sluggish kinetics Li2S activation. Herein, we developed a densely stacked redox-active hexaazatrinaphthylene (HATN) polymer with surface area 302 m2 g?1 very bulk density ca. 1.60 g cm?3. Uniquely, HATN has similar redox potential window ...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2010
bahram soltani soulgani davood rashtchian bahman tohidi mohammad jamialahmadi

asphaltene precipitation and deposition is a serious problem in many iranian fields. the deposited asphaltene results in partial or total blockage of the wellbore and wellstring reducing or completely seizing oil production. this paper studies the asphaltene problem and mitigation methods in wellstring systematically. it presents new approach based on the combination of thermodynamic modeling o...

Journal: :journal of membrane science and research 0
colin wolden department of chemical & biological engineering, colorado school of mines, golden, co 80401, usa sanket kelkar department of chemical & biological engineering, colorado school of mines, golden, co 80401, usa

the suitability of three vapor deposition techniques for pore size modification was evaluated using polycarbonate track etched membranes as model supports. a feature scale model was employed to predict the pore geometry after modification and the resulting pure water flux. physical vapor deposition (pvd) and pulsed plasma-enhanced chemical vapor deposition (pecvd), naturally, form asymmetric na...

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