共搜索到7689条信息，每页显示10条信息，共769页。用时：0小时0分0秒234毫秒
, Harbin 150001, China) Abstract:SUS430 (16% ~ 17% (mass fraction) Cr) can be used as interconnects for solid oxide fuel cells (SOFCs) that operate at lower temperatures ( ＜ 800 ℃ ). However, oxidation... oxide growth, in particular, the Cr2O3 phase, through the application of Lao.8Sr0.2MnO3-δ(L SM20) and La0.8Sr0.2FeO3- δ (LSF20) coatings by atmospheric plasma spraying technology (APS). Oxide growth......
THE INVESTIGATION ON PLASMA ARC TREATMENT OF CHROMIUM PLATED ALLOY STRUCTURE STEEL K.H. Wang1,J.W. Huang1,Q.Liu1,X.M. Fan1 (1.Department of Materials Science and Engineering, Nanjing University of Science and Technology,Nanjing 210094, Ghina) Abstract:The technology of plasma arc was used to modify the interface adhesion between chromium coating and steel substrate. The interface......
Ce-Zr-Tb Oxide Solid Solution as Key Material for Three-Way Catalyst Hu Yucai1 (1.School of Chemistry and Material Sciences, Yantai Normal University, Yantai 264025, China) Abstract:Ce-Zr-Tb oxide... of a new generation of TWC. Key words:Ce-Zr-Tb oxide solid solution; three-way catalyst; characterization; [全文内容正在添加中] ......
is mainly composed of rutile whose internal layer is rich in chromium, and chromium oxides separated out from TiO2 near the alloy-oxide interface improve the oxidation resistance. Ignition of metals... analysis After oxidation, the rupture and breakdown of oxide scales for some alloys were observed. The surface of Ti appears golden red. As chromium content increases, the golden red gradually weakens......
of chromium doped zinc oxide nanoparticles [J]. Journal of European Ceramic Society, 2007, 27(13/15): 4333-4337. [14] GUDKOVA A V, KIENSKAVA K I, NAZAROV V V, KIM V, MUKHTAROVA S E. Synthesis and use... Solvo-thermal synthesis and characterization of nest-like zinc oxide LI Yan(李 酽), FENG Hui-yun(凤慧云), ZHANG Nan(张 楠), LIU Chuan-sheng(刘传生) College of Science, Civil Aviation University of China......
Chromium Coating Developed on Mo-Base Materials Kuang Zi-qi1,DENG chang-guang1,ZHOU Ke-song1,LIU Min1,SONG jin-bing1 (1.Guangzhou research institute of non-ferrous metals,Guangzhou 510651, P.R.... are not good for working under the condition of high temperature and high speed. So it must be cover with chromium coating that has high hardness, excellent wear resistance and high credibility. At present......
Determination of Impurity Elements in Pure Cerium Oxide Product Chen Limin1,Li Jie1,Li Peizhong1 (1.Inner Mongolia Baogang Rare Earth High Science and Technology Co. Ltd.,Baotou 014010, China) Abstract:Determination of the rare earth impurity in pure cerium oxide is done by ICP-MS.The interference and other factors which affect analytical results were discussed.The accuracy are between 0.81......
Nitridation of chromium powder in ammonia atmosphereLing Li1,Qiang Zhen1,2,Rong Li11. Nano-Science and Technology Research Center, Shanghai University2. School of Materials Science and Engineering... studied. Through thermodynamic calculations, the Cr-N-O predominance diagrams were constructed for different temperatures. Chromium nitride formed at 700-1200°C under relatively higher nitrogen......
Trans. Nonferrous Met. Soc. China 23(2013) 3434-3439 Preparation of ammonium jarosite from clinker digestion solution of nickel oxide ore roasted using (NH4)2SO4 Xiao-yi SHEN, Hong-mei SHAO, Jia-dong... for eliminating Fe3+ from NiSO4 solution, the digestion solution of the clinker was used as raw material, which was obtained from roasting the nickel oxide ore with (NH4)2SO4. The ammonium jarosite......
Status of Research on Application of High Purity Rare Earth Oxides in Solid Oxide Fuel Cells QIU Jufeng1,MA Zhihong2 (1.Baotou Research Institute of Rare Earths,Baotou 014010, China;2.Baotou Hengyitong Rare Earth Co., Ltd, Baotou 014060, China) Abstract:The solid oxide fuel cell (SOFC) is a high-efficient and environmentally friendly power generation system.The rare earth oxide materials......
