Depositing chromium oxide film on alumina ceramics enhances …
网页2021年1月15日 · Chromium oxide film with a low secondary electron emission coefficient is deposited on alumina ceramics to improve its insulating performance. The surface property of samples before and after deposition are evaluated by scanning electron microscope (SEM), atomic force microscopy (AFM), energy dispersive spectroscopy (EDS), and …
Wetting and Brazing of Chromium Film-Deposited Alumina …
网页2018年8月10日 · Wetting behavior of AgCu filler on chromium film - deposited Al 2 O 3 ceramics was studied by sessile drop method under vacuum, and brazing of chromium-deposited alumina using AgCu was carried out. Cr film can improve the wettability of AgCu filler on alumina ceramics, and the contact angle decreased dramatically.
Ceramics International
网页2021年9月1日 · High purity alumina powders (Sumitomo AKP15) and chromium oxide (Aldrich Chem 99.9%) with compositions containing 1, 3, 5 and 10% wt of Chromia (Aldrich Chem 98%) were prepared in the present investigation. Samples were named respectively C0, C1, C3, C5 and C10 to indicate their Chromia content.
The Influence of Chromium Oxide Coating of Alumina Surface on …
网页2024年2月21日 · In this article, we investigated the effects on partial discharge in vacuum of coating the alumina ceramic surface with chromium oxide. As a result of evaluation, it was confirmed that partial discharge extinction voltage (PDEV) with the coating improved drastically, and the larger the coating region is, the higher these parameters are.
Depositing chromium oxide film on alumina ceramics enhances …
网页2020年10月1日 · In this paper, Atmospheric-Pressure Plasma Enhanced Chemical Vapor Deposition (AP-PECVD) is used to deposit chromium oxide film on alumina ceramics to improve its flashover voltage in vacuum.
Aluminum Oxide and Alumina Ceramics (review). Part 1
网页2019年8月15日 · This paper provides a review of aluminum oxide properties associated with its use, varieties of commercial products, methods for producing aluminum oxide in a disperse state, in the form of polycrystalline ceramics and single-crystal products, as well as chemical aspects of the related technological processes.
Processing and Characterization of Alumina/ Chromium Carbide Ceramic …
网页2011年7月27日 · This chapter will emphasize on the processing of Alumina/Chromium carbide ceramic matrix composite by metal oxide chemical vapor deposition (MOCVD) in fluidized bed and analysis of these composites using various characterization techniques.
Advanced ceramics based on aluminum, silicon, chromium, and …
网页2012年1月7日 · Advanced ceramics based on aluminum, silicon, chromium, and lanthanum oxides: Preparation and applications (an overview) Published: 07 January 2012. Volume …
REACTION PROCESSING AND CHARACTERIZATION OF ALUMINUM OXIDE/CHROMIUM ...
网页2023年12月2日 · One potential material that has an attractive combination of properties for this application is the alumina/chromium (Al2O3/Cr) cermet, given the rigidity and creep resistance of the Al2O3 component and the high-temperature toughness of the Cr phase.
Aluminum Oxide | Al2O3 | Alumina | Ceramic Material - Saint …
网页Aluminum Oxide (Al 2 O 3), often abbreviated as Alumina, is one of the most popular fine ceramic material families worldwide. Encompassing a range of grades – characterized primarily by purity – coarse and dense alumina is renowned as one of the greatest materials in terms of price-to-performance ratios.
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