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J. Cent. South Univ. (2012) 19: 2650-2655 DOI: 10.1007/s11771-012-1323-8 Closed-form solution to thin-walled box girders considering effects of shear deformation and shear lag ZHOU Wang-bao(周旺... to the high order finite strip element method and the experimental results. The investigation shows that the closed-form solution is in good agreement with the numerical solutions derived according......
J. Cent. South Univ. (2021) 28: 2544-2555 DOI: https://doi.org/10.1007/s11771-021-4785-8 Analytical solution of vacuum preloading technology combined with electroosmosis coupling considering..., the rationality of the analytical solution is testified by conducting an experimental model test, which proves the scientificity of the analytical solution. The analytical solution is adopted to better predict......
J. Cent. South Univ. (2016) 23: 3192-3203 DOI: 10.1007/s11771-016-3385-5 Numerical modeling dynamic process of multi-feed microwave heating of industrial solution media YANG Biao(杨彪)1, 2, 3, SUN Jun... and Springer-Verlag Berlin Heidelberg 2016 Abstract: The exothermic efficiency of microwave heating an electrolyte/water solution is remarkably high due to the dielectric heating by orientation......
by using solution combustion synthesis with three different doping routes (liquid-liquid (WL10), liquid-solid (WLNO) and solid-solid (WLO)) to produce nanoscale powders and further fabricate... alloy via the liquid-liquid doping route, as compared with conventionally-manufactured tungsten materials. Key words: tungsten alloy; solution combustion synthesis; doping route; ultrafine grain......
J. Cent. South Univ. Technol. (2008) 15(s1): 443-446 DOI: 10.1007/s11771-008-396-x Viscoelasticity of mixed polyacrylamide solution XU Li-na(徐丽娜) (PetroChina Daqing Oilfield Engineering Co. Ltd, Daqing 163712, China) Abstract: The viscoelastic behavior of polyacrylamide solution is crucial for its application in various industries. The mixed polyacrylamide solution was prepared by mixing......
and strengthening mechanism. In this work, the microstructure of the hot-rolled and hot stamping steels were observed by the OM after grinding, polishing, and etching with 4% nital solution, and an quanta...J. Cent. South Univ. (2017) 24: 2215-2221 DOI: https://doi.org/10.1007/s11771-017-3630-6 Effect of Ti on microstructure and strengthening behavior in press hardening steels WEN Yu-hui(闻玉辉)1, ZHU Guo......
through flotation tests, solution chemistry calculations, zeta potential measurements and infrared spectroscopic analysis. The results show that fine ilmenite shows good floatability in pH range of 4?10... and molecular association of a high surface activity component in sodium oleate solution becomes higher and keeps the floatability good. Key words: ilmenite; sodium oleate; solution chemistry......
,受原子扩散的控制,而原子的扩散速度主要受温度的控制,本研究选择180 ℃作为该合金的时效温度,此温度下Mg原子的扩散速度很慢,可以认为ZM61合金经时效处理后,其晶粒大小与固溶态保持一致. 图7 由"挤压工艺-2"挤压获得的ZM61合金的组织随固溶时间的演变 Fig. 7 Microstructures evolutions with solution time... of as-solution treated ZM61 Mg alloy: (a) Extrusion process-2+(420 ℃, 1 h); (b) Extrusion process-1+(420 ℃, 2 h) 表4 图8中固溶态ZM61镁合金的EDS分析结果 Table 4 EDS......
treatment strengthening and microstructure characteristics of wrought Al-Si-Cu-Mg alloy[J] . Transactions of Nonferrous Metals Society of China, 2014, 24(3): 584-592. Effect of solution time...判定这种组织为共晶硅而不是初晶硅. 图4 不同固溶时间后ADC12铝合金的显微组织 Fig. 4 Microstructures of ADC12 aluminum alloy after different solution time 图5 挤压铸造态和固溶处理10 h 后ADC12铝合金的XRD谱 Fig. 5 XRD......
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