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Simulation aided hot zone design for faster growth of CZ silicon mono crystalsCAO Jianwei a,GAO Yu b,CHEN Ying a,ZHANG Guohu b,and QIU Minxiu a a The State Key Laboratory of Fluid Power Transmission... for optimizing a hot zone for Czochralski (CZ) silicon crystal growth.The heater structure and heat shield material were investigated.With this optimized hot zone,the temperature gradient near the crystal/melt......
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Grain refinement in the coarse-grained region of the heat-affected zone in low-carbon high-strength microalloyed steelsRan Wei1), Cheng-jia Shang2), and Kai-ming Wu1) 1) International Research..., China摘 要:The microstructural features and grain refinement in the coarse-grained region of the heat-affected zone in low-carbon high-strength microalloyed......
INVESTIGATIONS ON THE INTERFACIAL ZONE BETWEEN AGGREGATE AND PORTLAND SLAG CEMENT PASTE余其俊,胡明德,钱进夫,王旭,陶从喜摘 要:<正>The composition and structure of the interfacial zone be-tween aggregate and portland slag cement paste as well as the orienta-tion coefficient of portlandite(ICH) have been studied by means ofXRD and SEM. The results show that the main......
Effects of expanding zone parameters of vacuum dust suction mouth on flow simulation resultsZHANG Yi-cheng(章易程)1, YANG Chun-zhao(杨春朝)1, Chris Baker2, CHEN Mo(陈默)1, ZOU Xiang(邹翔)1, DAI Wan-lin(戴万林)1...)Abstract:Based on the parametric analysis of the expanding zone of the vacuum dust suction mouth, the flow in the vacuum dust suction mouth was simulated by computational fluid dynamics (CFD) software......
Physicochemical Study on the Interface Zone of Concrete Exposed to Different Sulfate Solutions刘赞群,邓德华摘 要:<正>This paper reports the results.... XRD, SEM and EDS were used for micro-analysis of the mi-crostructure and the composition of the interface zone in the samples. The results indicate that the deterioration of concrete by different......
On the Microstructural Strengthening and Toughening of Heat-Affected Zone in a Low-Carbon High-Strength Cu-Bearing SteelXiaohui Xi,Jinliang Wang,Liqing Chen,Zhaodong WangState Key Laboratory of Rolling and Automation,Northeastern University摘 要:In this article, the influence of simulated thermal cycles for the heat-aff ected zone(HAZ......
Factors Influencing High Temperature Thermo Plasticity of BNbRE Steel at the Third Brittle Zone陈林,刘宇雁,包喜容,高密超,宗伟,田仲良,任慧平摘 要:In view of fine cracks occurred... of BNbRE steel at the third brittle zone was quantitatively investigated on GLEEBLE-1500D thermal-mechanical simulator after measuring the RA-T curve of BNbRE steel. The results provide experimental data......
Analysis of Interf acial Zone Properties and Permeability of Concrete in Underground Structure马保国摘 要:<正>Chloride diffusion coefficient and water... with fly ash(C1), concrete added with both fly ash and silica fume(C2). SEM and microhardness analyses show that the properties of interfacial zone are significantly influenced by silica fume......
In Situ Corrosion Monitoring of Mild Steel in a Simulated Tidal Zone without Marine Fouling Attachment by Electrochemical Impedance SpectroscopyXin Mu,Jie Wei,Junhua Dong,Wei KeState Key Laboratory... Q235 B steel in a simulated tidal zone were studied by electrochemical impedance spectroscopy(EIS) monitoring and corrosion weight loss calculation in an experimental indoor simulating trough.The......