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Controlled pore size of Pt/KIT-6 used for propane total oxidationYu-Sheng Chen1,Yi-Dan Cao1,Rui Ran1,Xiao-Dong Wu1,2,Duan Weng21. Key Laboratory of Advanced Materials of Ministry of Education, School...="ChDivSummary" name="ChDivSummary">Mesoporous silica KIT-6 with different pore sizes was controllably synthesized by hydrothermal methods. The same contents of Pt were loaded on KIT-6 supports to apply......
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Low-cost preparation of mesoporous silica with high pore volumeShuling Shen1), Wei Wu2), Kai Guo1), and Jianfeng Chen1, 2) 1) Research Center of the Ministry of Education for High Gravity Engineering... 100029, China摘 要:Mesoporous silica materials with high pore volume were successfully prepared by the chemical precipitation method, with water glass......
Pore Structure of Cement Pastes Mixed with Inorganic Salts杨文萃School of Transportation Science and Engineering,Harbin Institute of Technology摘 要:The influence of salts on concrete durability,pore structure of cement pastes with inorganic salts,including CaCl2,NaCl,Na2SO4,NaNO2,Ca(NO3)2 and Ca(NO2)2,was studied through mercury intrusion porosimetry (MIP......
Microscopic Pore and Filling Performance of Coal Gangue Cementitious Paste王忠昶1,2,WANG Zechuan1,ZHAO Wenting11. School of Civil and Safety Engineering,Dalian Jiaotong University2. The State Key... of cementing material and slurry concentration unchanged. The porosity and the distribution of pore diameter of the filling specimen for curing 28 d were tested by a mercury injection instrument under......
Microscopic Pore Structure of Asphalt Mixture Incorporating with MFL杨若冲1,詹翀2,YANG Jun1,WU Shuyin1,BAI Jinan31. School of Transportation, Southeast University2. Modern Institute of Civil Engineering...-freezing asphalt concrete, i e, MFL(Mafilon) modified asphalt concrete, MIP(mercury intrusion porosity) method was used to obtain the data including porosity and pore size distribution in micro scale......
of Al-Mg-Sc alloy weld joints filled with Al-Mg-Zr and Al-Mg-Zr-Sc weld wires CHEN Su-li1, JIANG Feng1, YIN Zhi-min1, LEI Xue-feng1, 2, NIE Bo1, 3 (1. School of Materials Science and Engineering...-Mg-Sc alloy sheets with 2mm thickness were welded by manual labor inert-gas arc welding method, the mechanical properties and microstructures of Al-Mg-Sc alloy weld joints filled with Al-Mg-Zr or Al......
Effect of strong carbide forming elements in hardfacing weld metalZHANG Yuanbin and REN Dengyi摘 要:<正> To achieve high carbon hard-facing weld metals with both high hardness and crack resistance, strong carbide forming elements Ti, Nb and V were alloyed into the weld metals, and their effect on the formation of carbides and the matrix......
Effect of strong carbide forming elements in hardfacing weld metalYuanbin Zhang and Dengyi Ren1) Department of Materials and Engineering, Shandong Institute of Architecture of Engineering, Jinan 250014, China2) Department of Material Science and Engineering, Shandong University, Jinan 250061,China摘 要:<正> To achieve high carbon hard-facing weld......
; 文献标志码:A 文章编号:1672-7207(2013)11-4712-08 Three-dimensional modeling of weld pool dynamics and weld bead formation during pulsed... and their effect on weld pool dynamics and the formation of weld bead in moving gas tungsten arc welding (GTAW) under the pulsed current were studied by using a 3D transient numerical model. The transient......
