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检索条件""
18800 条 记 录,以下是131-140 订阅
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A new method to improve the laser-ablation resistance of Si-Sic coating on c/c composites: Laser cladding
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JOURNAL OF THE EUROPEAN cERAMIc SOcIETY 2022年 第14期42卷 6425-6434页
作者: Teng, Liu Shi, Xiao-Hong Wang, Han-Hui Li, Wei Yin, Xue-Min Li, He -Jun Northwestern Polytech Univ Shaanxi Prov Key Lab Fiber Reinforced Light Compos Xian 710072 Shaanxi Peoples R China
New method to prepare Si-Sic coating on c/c composites by laser cladding (Lc-Si-Sic) was established to improve the laser ablation resistance of the coating. Results showed that the Lc-Si-Sic coating had lower roughne... 详细信息
来源: 评论
Experiment-based numerical evaluation of the surface recession of c/c-Sic composites under the high-energy laser
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cERAMIcS INTERNATIONAL 2022年 第23期48卷 34550-34563页
作者: Ge, Jian Li, Wei chao, Xujiang Wang, Hanhui Wang, Zhaowei Qi, Lehua Northwestern Polytech Univ Sch Mech Engn Xian 710072 Shaanxi Peoples R China Northwestern Polytech Univ Shaanxi Prov Key Lab Fiber Reinforced Light Compos Xian 710072 Shanxi Peoples R China China Acad Launch Vehicle Technol Beijing 100076 Peoples R China
In this paper, we developed a multi mechanism coupling finite element model to predict the surface recession of c/c-Sic composites on the basis of the ablation phenomena. In particular, we took into account temperatur... 详细信息
来源: 评论
Influence of the fiber orientation on 3D c/c-Sic composite material and its formation mechanism of the machining surface
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INTERNATIONAL JOURNAL OF ADVANcED MANUFAcTURING TEcHNOLOGY 2022年 第7-8期118卷 2725-2743页
作者: Li, Wei Long, Gui Shi, Feng Zhou, Shenlei Yin, Jia Yang, Jun Hunan Univ Coll Mech & Vehicle Engn Changsha 410082 Hunan Peoples R China Hunan Univ Natl Engn Technol Res Ctr High Efficiency Grindin Changsha 410082 Hunan Peoples R China Natl Univ Def Technol Coll Intelligent Sci Changsha 410073 Hunan Peoples R China Chinese Acad Sci Shanghai Inst Opt & Fine Mech Shanghai 201800 Peoples R China
carbon/carbon (c/c)-Sic composite materials attained much attention due to its unique properties like immense thermal conductivity, high corrosion, and abrasive resistance. Few scholars have systematically studied the... 详细信息
来源: 评论
Exo-Selective Intramolecular c-H Alkylation with 1,1-Disubstituted Alkenes by Rare-Earth catalysts: construction of Indanes and Tetralins with an All-carbon Quaternary center
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AcS cATALYSIS 2022年 第20期12卷 12973-12983页
作者: Mishra, Aniket Wu, Ping cong, Xuefeng Nishiura, Masayoshi Luo, Gen Hou, Zhaomin RIKEN Ctr Sustainable Resource Sci Adv Catalysis Res Grp Wako Saitama 3510198 Japan Anhui Univ Inst Phys Sci & Informat Technol Hefei 230601 Peoples R China RIKEN Organometall Chem Lab Cluster Pioneering Res Wako Saitama 3510198 Japan
We report herein the exo-selective, regiospecific annulation of a wide range of functionalized aromatic substrates with 1,1-disubstituted alkenes through c(sp2)-H and benzylic c(sp3)-H activation by half-sandwich rare... 详细信息
来源: 评论
Electrical performance prediction of graphdiyne-c60 nanocomposite
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MRS cOMMUNIcATIONS 2022年 第5期12卷 729-733页
作者: Hu, Yongle Gao, Shan Zhang, Zhang Guo, Juan Yang, Ping Changsha Univ Sci & Technol Hunan Prov Key Lab Intelligent Mfg Technol High P Changsha 410114 Peoples R China Jiangsu Univ Sch Mech Engn Lab Adv Design Mfg & Reliabil MEMS NEMS OEDS Zhenjiang 212013 Jiangsu Peoples R China
We investigated the field emission of graphdiyne-c-60 nanocomposite by using first principle calculation. The results show that graphdiyne obtains good electrical performances such as high level of emission currents. ... 详细信息
来源: 评论
Ablation mechanism of c/c-Sic and c/c-Sic-Zrc composites in hypersonic oxygen-enriched environment
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cERAMIcS INTERNATIONAL 2022年 第16期48卷 22985-22993页
作者: Gao, Yong Zha, Bai-Lin Wang, Jin-Jin Sun, Zhen-Sheng Zhang, Zhao-Fu Shi, Yi-Ang Rocket Force Univ Engn Xian 710025 Peoples R China Xian Aerosp Composites Res Inst Xian 710025 Peoples R China Project Management Ctr Beijing 100085 Peoples R China 2 Tongxin Rd Xian Peoples R China
In this study, c/c-Sic and c/c-Sic-Zrc composites were prepared via chemical vapor infiltration and polymer infiltration pyrolysis, and the ablation mechanism under hypersonic oxygen-rich environmental conditions was ... 详细信息
来源: 评论
Anaerobic co-digestion using poultry slaughterhouse and vegetable wastes to enhance biogas yield: effect of different c/N ratios
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BIOMASS cONVERSION AND BIOREFINERY 2022年 第22期14卷 28303页
作者: Samadi, Mohammad Taghi Leili, Mostafa Rahmani, Alireza Moradi, Samira Godini, Kazem Hamadan Univ Med Sci Res Ctr Hlth Sci Dept Environm Hlth Engn Hamadan Hamadan Iran Kurdistan Univ Med Sci Environm Hlth Res Ctr Res Inst Hlth Dev Sanandaj Iran
The aim of this study was to determine the feasibility of producing biogas by combining solid poultry slaughterhouse wastes (SPSWs) with fruit and vegetable solid wastes (FVSWs) and to obtain the optimum conditions fo... 详细信息
来源: 评论
Enhanced electrochemical performance of LiFePO4/c wrapped with sulfur-modified reduced graphene oxide for Li-ion batteries
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IONIcS 2022年 第1期28卷 191-200页
作者: chen, Zi-Liang Gu, Yi-Jing Luo, Gui-Yang Huo, Yong-Lin Wu, Fu-Zhong Guizhou Univ Coll Mat & Met Guizhou Prov Key Lab Met Engn & Proc Energy Savin South Hua Xi St Guiyang 550025 Peoples R China
Although researchers have previously examined whether graphene modified by sulfur can improve the electrochemical performance of LiFePO4/c composites, they have rarely examined whether it can do so during the synchron... 详细信息
来源: 评论
Novel c/Sic porous ceramic with controllable properties served as transpiration cooling material
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cERAMIcS INTERNATIONAL 2022年 第15期48卷 21616-21621页
作者: Zhang, Bo Wang, Han Jin, Xiaochao Fan, Xueling Huang, Haiming Yao, Jun Xi An Jiao Tong Univ Joint Res Ctr Extreme Environm & Protect Technol Xian Peoples R China Xi An Jiao Tong Univ Sch Aerosp Engn State Key Lab Strength & Vibrat Mech Struct Xian Peoples R China Beijing Jiaotong Univ Inst Engn Mech Beijing 100044 Peoples R China Sci & Technol Space Phys Lab Beijing 100071 Peoples R China
Transpiration cooling has been gradually regarded as one of the most efficient and potential thermal protection technologies for the high temperature hot-end components of future hypersonic vehicle. The cooling perfor... 详细信息
来源: 评论
Architecting a 3D continuous c/cuVO3@cu composite anode for lithium-ion storage
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SURFAcE INNOVATIONS 2022年 第1-3期11卷 70-78页
作者: Gou, Jinlong Qiao, Zhijun Yu, Zhenyang Sun, Shihao Li, chuanqi Li, Wei-Jie Wang, Jun Wang, Nan Zhang, Zhijia Jiang, Yong Tiangong Univ Sch Mech Engn Sch Mat Sci & EngnTianjin Municipal Key Lab Adv F State Key Lab Separat Membrane & Membrane Proc Tianjin Peoples R China Univ Wollongong Inst Superconducting & Elect Mat Wollongong Australia Shandong Univ Key Lab Liquid Solid Struct Evolut & Proc Mat Minist Educ Jinan Peoples R China China Elect Technol Grp Corp 46 Inst Tianjin Peoples R China CETC JH Tianjin Semicond Mat Co Ltd Tianjin Peoples R China
Vanadium (V)-based oxides with a high theoretical capacity are an alternative anode for lithium-ion (Li+) batteries, but they are still limited by the poor conductivity, large volume change and low active material mas... 详细信息
来源: 评论