2008 Vol. 15, No. 1

Display Method:
Minerals
Theoretical and experimental analysis on the mechanism of the Kaiser effect of acoustic emission in brittle rocks
Ruifu Yuan and  Yuanhui Li
2008, vol. 15, no. 1, pp. 1-4. https://doi.org/10.1016/S1005-8850(08)60001-8
Abstract:
The Kaiser effect is formally described as the absence of detectable acoustic emission (AE) events until the load imposed on the material exceeds the previous applied level and is usually used to estimate geostress. By focusing on the heterogeneity o...
Metallurgy
Study on the optimization of the combined blown converter process in Chongqing Iron and Steel Company
Ping Tang, Yangyang Yu, Guanghua Wen, Mingmei Zhu, Liang Zhou, Yiju Long, and  Qing Liang
2008, vol. 15, no. 1, pp. 5-9. https://doi.org/10.1016/S1005-8850(08)60002-X
Abstract:
The effects of lance height and bottom blown flowrate on the mixed time, the splashing amount, the penetrating depth, and the level fluctuation of an 85 t combined blown converter have been studied using a water model. The results show that the maxim...
Metallurgy
Quantificational indexes for design and evaluation of copper staves for blast furnaces
Liang Qian, Susen Cheng, and  Hongbo Zhao
2008, vol. 15, no. 1, pp. 10-16. https://doi.org/10.1016/S1005-8850(08)60003-1
Abstract:
The quantificational and normative design is the precondition of improving the design of copper staves for blast furnaces. Based on a 3-dimensional temperature field calculation model, from the view point of heat transfer and long campaigns note with...
Metallurgy
Mathematical model of heat transfer for bloom continuous casting
Qing Liu, Liangzhou Wang, Liqiang Zhang, Liguo Cao, Xiuzhong Ding, Mei Liang, and  Yongge Qi
2008, vol. 15, no. 1, pp. 17-23. https://doi.org/10.1016/S1005-8850(08)60004-3
Abstract:
A mathematical model for heat transfer during solidification in continuous casting of automobile steel, was established on researching under the influence of the solidifying process of bloom quality of CCM in the EAF steelmaking shop, at Shijiazhuang...
Metallurgy
Investigation on steelmaking dust recycling and iron oxide red preparing
Pingfeng Fu and  Qiang Zhang
2008, vol. 15, no. 1, pp. 24-28. https://doi.org/10.1016/S1005-8850(08)60005-5
Abstract:
To investigate the physical and chemical properties of the steelmaking dust, wet sieve separation, XRD, SEM, EDS, and traditional chemical analysis were carded out to obtain the particle size distribution, mineralogy, morphology, and the chemical com...
Materials
Influence of austenization temperature on the erosion behavior of austempered ductile irons
L. C. Chang, I. C. Hsui, L. H. Chen, and  S. T. Lui
2008, vol. 15, no. 1, pp. 29-33. https://doi.org/10.1016/S1005-8850(08)60006-7
Abstract:
The erosion behavior of austempered ductile irons austenized at different temperatures was studied. The results indicate that the erosion rate well correlates with the mechanical properties. At high impact angles, increasing ductility and mechanical ...
Materials
Structure change of 430 stainless steel in the heating process
Xinzhong Liu, Jingtao Han, Wanhua Yu, and  Shifeng Dai
2008, vol. 15, no. 1, pp. 34-37. https://doi.org/10.1016/S1005-8850(08)60007-9
Abstract:
The microstructure analysis was employed for the ferrific stainless steel (SUS430) with the carbon content from 0.029wt% to 0.100wt% under the simulated heating process condition. The higher carbon sample (430H) contains the duplex phase microstructu...
Materials
Effect of tempering temperature on the mechanical properties and microstructure of an copper-bearing low carbon bainitic steel
Aimin Guo, Xinli Song, Jinquan Tang, and  Zexi Yuan
2008, vol. 15, no. 1, pp. 38-42. https://doi.org/10.1016/S1005-8850(08)60008-0
Abstract:
The effect of tempering temperature on the microstructure and mechanical properties of ultra-high strength, copperbearing, low-carbon bainitic steel has been investigated in the experiment. The results showed that the microstructure was mainly the la...
Materials
Modeling uniaxial tensile deformation of polycrystalline Al using CPFEM
Huachun Pi, Jingtao Han, Chuanguo Zhang, A. Kiet Tieu, and  Zhengyi Jiang
2008, vol. 15, no. 1, pp. 43-47. https://doi.org/10.1016/S1005-8850(08)60009-2
Abstract:
The crystal plasticity finite element modeling (CPFEM) is realized in commercial finite element code ABAQUS with UMAT subroutine on the basis of the crystal plasticity theory of rate dependent polycrystal constitutive relations in the mesoscopic scal...
Materials
Filling ability of semi-solid A356 aluminum alloy slurry in rheo-diecasting
Yuelong Bai, Weimin Mao, Songfu Gao, Guoxing Tang, and  Jun Xu
2008, vol. 15, no. 1, pp. 48-52. https://doi.org/10.1016/S1005-8850(08)60010-9
Abstract:
The effects of slurry temperature, injection pressure, and piston velocity on the rheo-filling ability of semisolid A356 alloys were studied by the reho-diecasting methods. The results show that the slurry temperature of the semi-solid A356 aluminum ...
Materials
Effect of microstructure and defects on the magnetostriction of 〈110〉 oriented TDT-110 alloys
Haijun Tang, Xuexu Gao, Wei Wu, Maocai Zhang, and  Shouzeng Zhou
2008, vol. 15, no. 1, pp. 53-57. https://doi.org/10.1016/S1005-8850(08)60011-0
Abstract:
〈110〉 oriented rods of TbDyFe giant magnetostrictive alloys have been prepared with the help of the zone melting directional solidification technique with a high temperature gradient. To acquire optimal magnetostrictive properties at low magnetic fie...
Materials
Processing and performance of 2D fused-silica fiber reinforced porous Si3N4 matrix composites
Guifang Han, Litong Zhang, and  Laifei Cheng
2008, vol. 15, no. 1, pp. 58-61. https://doi.org/10.1016/S1005-8850(08)60012-2
Abstract:
Two-dimension (2D) fused-silica fiber reinforced porous silicon nitride matrix composites were fabricated using slurry impregnation and cyclic infiltration with colloidal silica sol. The microstructure and fracture surface were characterized by SEM, ...
Materials
Design,preparation,and structure of particle preforms for Si3N4(P)/Si3N4 radome composites prepared using chemical vapor infiltration process
Yongsheng Liu, Laifei Cheng, Litong Zhang, Yongdong Xu, and  Yi Liu
2008, vol. 15, no. 1, pp. 62-66. https://doi.org/10.1016/S1005-8850(08)60013-4
Abstract:
A particle preform was designed and prepared by conglomerating and cold-pressed process, which was condensed by chemical vapor infiltration (CVI) process to fabricate silicon nitride particles reinforced silicon nitride composites. The conglomeration...
Materials
Synthesis of nano-CaCO3 composite particles and their application
Wei Wu, Xueqin Zhang, Jianfeng Chen, and  Shuling Shen
2008, vol. 15, no. 1, pp. 67-73. https://doi.org/10.1016/S1005-8850(08)60014-6
Abstract:
Nano-calcium carbonate composite particles were synthesized by the soapless emulsion polymerization technique of double monomers. The composite particles formation mechanism was investigated. The effects of composite particles on the mechanical prope...
Materials
Effect of sintering time on the electrochemical properties of spinel LiMn2O4 synthesized by solid-state reaction
Tao Li, Weihua Qiu, Renhua Zhao, Hui Xia, Hailei Zhao, and  Jingjing Liu
2008, vol. 15, no. 1, pp. 74-78. https://doi.org/10.1016/S1005-8850(08)60015-8
Abstract:
LiMn2O4 powder as a cathode materials for rechargeable lithium-ion batteries was prepared by solid-state reaction from LitCO3 and electrolytic MnO2 at different sintering periods (2, 6, 18, and 32 h). X-ray diffraction (XRD) patterns of the prepared ...
Materials
Electrochemical characterization of ion selectivity in electrodeposited nickel hexacyanoferrate thin films
Jinxia Guo, Xiaogang Hao, Xuli Ma, Zhonglin Zhang, and  Shibin Liu
2008, vol. 15, no. 1, pp. 79-83. https://doi.org/10.1016/S1005-8850(08)60016-X
Abstract:
The ion selectivity of electrodeposited nickel hexacyanoferrate (NiHCF) thin films was investigated using electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV). NiHCF thin films were prepared by cathodic deposition on Pt and Al sub...
Materials
Status and prospects of intermediate temperature solid oxide fuel cells
Bangwu Liu and  Yue Zhang
2008, vol. 15, no. 1, pp. 84-90. https://doi.org/10.1016/S1005-8850(08)60017-1
Abstract:
Compared with conventional electric power generation systems, the solid oxide fuel cell (SOFC) has many advantages because of its unique features. High temperature SOFC has been successfully developed to its commercial applications, but it still face...
Materials
Strip shape control capability of hot wide strip rolling mills
Renzhong Wang, Quan Yang, Anrui He, Jian Shao, and  Haitao Bian
2008, vol. 15, no. 1, pp. 91-95. https://doi.org/10.1016/S1005-8850(08)60018-3
Abstract:
The elasticity deformation of rolls was analyzed by means of two-dimensional finite element method (FEM) with variable thickness. Three typical mills were used as objects for analysis. A thorough study was done on the control capabilities of these mi...