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mechanical properties are higher than those of sand gravity casting because of chilling and cushioning effect of foam pattern during the mould filling. The solution kinetics and the aging processes...Microstructure and mechanical properties of magnesium alloy prepared by lost foam casting TIAN Xue-feng(田学锋), FAN Zi-tian(樊自田), HUANG Nai-yu(黄乃瑜), WU He-bao(吴和保), DONG Xuan-pu(董选普) (State Key......
J. Cent. South Univ. Technol. (2011) 18: 1340-1348 DOI: 10.1007/s11771-011-0843-y Orthogonal tests of lead-clad tin bimetal continuous casting by air pressure core-filling LIANG He(梁贺), ZHAO Yong... by directly continuous casting, low melting point materials of lead and tin were selected to prepare composite rods of external diameter 12 mm and inner diameter 8 mm with air pressing core filled......
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基于遗传特性的坯壳应力场分析刘增勋1,李哲1,艾立群1,贾雅楠1(1.河北省唐山市河北理工大学冶金与能源学院)摘 要:在考虑连铸坯壳应力遗传特性的基础上,建立了结晶器内坯壳的二维应力分析模型,利用ANSYS的初应力方法实现了坯壳应力遗传行为.分析结果表明:与传统应力模型的分析结果相比,遗传分析模型计算的坯壳位移和应力分布规律基本相同.应力遗传方法得到的应力值明显较高,在铸坯中部和角部,坯壳等效应力最大值分别高出12%和70%.关键词:坯壳应力; 应力遗传; 热力耦合; 热应力......
in the continuous casting mold. Mold flux not only plays a role as a lubricant between solidified shell and mold wall, but also influences the heat transfer in mold. Mold flux in the continuous...). Fig. 3 Comparison of measured and predicted shell thickness When the continuous casting becomes a major method of industrial production of steel, the shell thickness has the expression of [15-21......
Application of fiber Bragg grating sensor network in aluminum reduction tank shell temperature monitoringJIANG Ming-shun(姜明顺)1,2, SUI Qing-mei(隋青美)1, MIAO Fei(苗飞), Jia Lei(贾磊)1, PENG Peng(彭蓬)2(1... temperature sensor network was designed to implement the real-time health monitoring of the aluminum reduction cell. The heat transfer process was simulated using software ANSYS, and an on-line shell......
J. Cent. South Univ. (2021) 28: 2527-2543 DOI: https://doi.org/10.1007/s11771-021-4784-9 Experimental study on bearing capacity of shell strip footings near geotextile-reinforced earth slopes Seyed... geotextile reinforcement layers in sandy slope and reducing the apex angle of triangular shell strip footings. The results show considerable effect of using geotextile-reinforced layers and decreasing the apex......
J. Cent. South Univ. (2019) 26: 2569-2577 DOI: https://doi.org/10.1007/s11771-019-4195-3 Reinforcement by polyurethane to stiffness of air-supported fabric formwork for concrete shell construction... reinforced concrete shell structures. The fabric formwork has the finished form of concrete structure. Large deviation from the desired shape of concrete shells still remains as central problem due to dead......
, the effect of residue gas in Y2O3-silica sol shell mold on interface reaction during Ti-6Al-4V alloy investment casting was investigated. Two groups of shell molds were prepared by adding different kinds...Interface reaction during titanium alloys investment casting by residue gas in ceramic moldYa-Meng Wei1,2,Zhi-Gang Lu1,2,Xin-Yi Li1,2,Xin Guo31. Department of Mechanical Engineering, Tsinghua......
材料辊套更好. 关键词: 电磁场快速铸轧; 辊套; 铸轧区; 导磁性; 磁场衰减; 聚磁效应 中图分类号:TG249 文献标识码:A 文章编号: 1672-7207(2005)04-0621-05 Influence of magnetoconductivity of roller shell on magnetic induction in roll casting zone... the magnetic field, which decreases the magnetic induction about by 5%. The magnetic flux density in the roll casting zone under the condition of using alloy steel roller shell is about 10% higher than......