ALUMINA

作品数:892被引量:1227H指数:14
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Structural characteristics and viscous behaviors of Al_(2)O_(3)-CaO-SiO_(2)-Fe_(2)O_(3)slags
《International Journal of Minerals,Metallurgy and Materials》2025年第5期1068-1078,共11页Renze Xu Zhen Wang 
supported by the National Natural Science Foundation of China(Nos.52404353 and 22278413);the Project of Chinese Central Government Guides Local Science and Technology Development Funding(No.2024ZY0078).
The high-temperature properties of the Al_(2)O_(3)-CaO-SiO_(2)-Fe_(2)O_(3)basic slag had significant influences on steelmaking opera-tions and waste slag utilization.To further clarify the structural characteristics a...
关键词:molten slag ALUMINA structure VISCOSITY spectroscopy 
Artificial Neural Networks for Optimizing Alumina Al_(2)O_(3)Particle and Droplet Behavior in 12kK Ar-H_(2)Atmospheric Plasma Spraying
《Frontiers in Heat and Mass Transfer》2025年第2期441-461,共21页Ridha Djebali Bernard Pateyron Mokhtar Ferhi Mohamed Ouerhani Karim Khemiri Montassar Najari M.Ammar Abbassi Chohdi Amri Ridha Ennetta Zied Driss 
This paper investigates the application of Direct Current Atmospheric Plasma Spraying(DC-APS)as a versatile thermal spray technique for the application of coatings with tailored properties to various substrates.The pr...
关键词:ANN modeling and simulation powder injection particle dynamics and heat transfer impact characteristics analysis 
Improving wear resistance of 3D printed alumina-based ceramics via sintering temperature
《China Foundry》2025年第2期151-162,共12页Jing-wen Sun He Li Yun-song Mu Bao-xia Mu Yan-hua Chen Paolo Colombo 
supported by the Xinjiang Tianchi Talent Introduction Plan (51052300585);the Fundamental Research Funds for Autonomous Region Universities (XJEDU2022P002);the Natural science foundation project of Xinjiang Uygur Autonomous Region (2023D01C192,2023D01C33);the Tianshan Innovation Team Program of Xinjiang Uygur Autonomous Region (2023D14001)。
Ceramic materials with intricate structures can be efficiently fabricated using stereolithography(SLA)based 3D printing technology,offering advantages over traditional methods.Sintering temperature has primary effect ...
关键词:sintering temperature friction and wear properties STEREOLITHOGRAPHY alumina ceramics 
Mechanism of material removal and chip formation of alumina dispersion strengthened copper in micro-milling
《Frontiers of Mechanical Engineering》2025年第1期27-43,共17页Chang LIU Chunya WU Xiguang LI Bo HOU Jiahao WU Ruijiang SUN Mingjun CHEN 
supported by the National Key R&D Program of China(Grant No.2023YFC2413303);the National Natural Science Foundation of China(Grant No.52075128);the Natural Science Foundation of Heilongjiang Province,China(Grant No.YQ2020E013).
Alumina dispersion-strengthened copper (ADSC), as a representative particle-reinforced metal matrix composite (PRMMC), exhibits superior wear resistance and high strength. However, challenges arise in their processabi...
关键词:alumina dispersion-strengthened copper particle-reinforced metal matrix composites material removal mechanism MICRO-MILLING chip formation minimum uncut chip thickness 
Alumina supported platinum-ceria catalyst for reverse water gas shift reaction
《Journal of Rare Earths》2025年第2期284-294,I0002,共12页Na Jiang Weiwei Wang Haoxin Liu Meiyao Wu Chunjiang Jia 
Project supported by the National Science Fund for Distinguished Young Scholars of China(22225110);the National Key Research and Development Program of China(2021YFA1501103);the National Science Foundation of China(22075166,22271177);the Young Scholars Program of Shandong University。
The activation of CO_(2)molecules is a fundamental step for their effective utilization.Constructing highdensity oxygen vacancies on the surface of reducible oxides is pivotal for the activation of CO_(2).In this work...
关键词:CO_(2)activation CERIA Oxygen vacancies Size-effect Reverse water gas shift reaction Rare earths 
Efficient and simple synthesis of B_(2)O_(3)-Al_(2)O_(3)nanocomposites assisted by deep eutectic solvent for production of 5-hydroxymethylfurfural from glucose
《Nano Research》2025年第1期236-248,共13页Yuchen Wang Kai Rong Shanlei Chang Youxing Fang Shaojun Dong 
supported by the Science and Technology Development Plan Project of Jilin Province(No.20240602122RC);the National Natural Science Foundation of China(Nos.22074137,22274149,and 22274146).
The catalytic conversion of glucose to high valueadded platform chemical 5-hydroxymethylfurfural(HMF)is a promising biorefinery process,and alumina-boria catalysts are considered to be green and mild solid acid cataly...
关键词:5-hydroxymethylfurfural(HMF) deep eutectic solvent GLUCOSE alumina-boria acid catalyst 
Atmospheric pressure plasma jet deposition of TiO_(2) layer on alumina/epoxy to improve electrical properties
《Plasma Science and Technology》2025年第1期81-92,共12页Yanze SONG Jinjian ZHAO Bowen ZHENG Zihao XIE Guishu LIANG Qing XIE 
National Natural Science Foundation of China(Nos.52007065 and 52277147);the Fundamental Research Funds for the Central Universities(No.2022MS071)。
In gas-insulated lines,basin-insulators can accumulate charge under non-uniform electric fields,distorting the field distribution and potentially causing surface flashover,which threatens the stability of power system...
关键词:surface flashover PLASMA polymer composites epoxy resin charge accumulation 
Preparation of Mn-Ce oxide-loaded Al_(2)O_(3) by citric acid-assisted impregnation for enhanced catalytic ozonation degradation of dye wastewater
《Chinese Journal of Chemical Engineering》2024年第12期237-250,共14页Shaopeng Li Weichao Li Yun Wu Xianming Zheng Xuehui Zhao Ning Nan Hongwei Zhang 
supported by the National Key Research and Development Program(2023YFC3207003);the National Natural Science Foundation of China(51878448).
The performance of supported catalysts is significantly affected by the dispersion degree of the active components on the support.In this study,citric acid(CA)was used as a modifier to prepare Al_(2)O_(3)supported Mn-...
关键词:Catalytic ozonation Alumina-based catalyst Mn-Ce oxides Reactive Black 5 Reaction mechanism 
Gas-Liquid Interfacial Deposition Synthesis of Alumina with Large Mesopores
《Chemical Research in Chinese Universities》2024年第6期1179-1191,共13页ZHANG Yu LI Wen-Cui ZHENG Yuenan WANG Haowei WU Fan ZHANG Wenrui LU An-Hui 
supported by the National Key Research and Development Project of China(Nos.2021YFA1500301,2018YFA0209404).
The porous structure of alumina is influenced by various factors during the synthesis process.In this study,we proposed a gas-liquid interfacial deposition method,different from conventional liquid-phase reactions,whi...
关键词:Gas-liquid reaction Large mesopore AIOOH ALUMINA 
Comparison study on hot state modification of converter slag by adding Al_(2)O_(3) or SiO_(2)
《Journal of Iron and Steel Research International》2024年第11期2684-2692,共9页Yu-feng Tian Guang-qiang Li Yong-qian Li Yu Liu 
support from National Natural Science Foundation of China (No. 52004189);Project of Hubei Provincial Department of Science and Technology (Nos. 2022BAA021 and 2022CFB051);China Postdoctoral Science Foundation (Nos. 2023T160210 and 2022M721109);Young Elite Scientists Sponsorship Program by CAST (No. 2022QNRC001);Wuhan University of Science and Technology Graduate Innovation and Entrepreneurship Fund (No. JCX2022009).
The value-added utilization of converter steel slag is crucial, with China’s annual production having reached 100 million tons. The utilization of converter slag in the construction materials sector is limited as it ...
关键词:Converter slag Free calcium oxide Alumina addition VISCOSITY Energy consumption 
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