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Ultrafine Grained Duplex Structure Developed by ART-annealing in Cold Rolled Medium-Mn Steels
Springer Science and Business Media LLC - Tập 21 - Trang 208-214 - 2014
Jie Shi, Jun Hu, Chang Wang, Cun-yu Wang, Han Dong, Wen-quan Cao
The microstructural evolutons of the cold rolled Fe-0. 1C-5Mn steel during intercrical annealing were examined using combined advanced techniques. It was demonstrated that intercrtical annealing results in an ultrafine granular ferrite and austenite duplex structure in cold rolled 0.1C-5Mn steel. The strong partitioning of manganese and carbon elements from ferrite to austenite was found during in...... hiện toàn bộ
Fluid Flow Modeling of Arc Plasma and Bath Circulation in DC Electric Arc Furnace
Springer Science and Business Media LLC - Tập 13 - Trang 7-13 - 2006
Feng-hua Wang, Zhi-jian Jin, Zi-shu Zhu
A mathematical model describing the flow field, heat transfer and the electromagnetic phenomenon in a DC electric arc furnace has been developed. First the governing equations in the arc plasma region are solved and the calculated results of heat transfer, current density and shear stresses on the anode surface are used as boundary conditions in a model of molten bath. Then a two-dimensional time-...... hiện toàn bộ
Corrosion Behavior of Different Steel Substrates Coupled With Conductive Polymer Under Different Serving Conditions
Springer Science and Business Media LLC - Tập 20 - Trang 87-92 - 2013
Xiao-hei LIU, Zhi-dong XIA, Hu ZHOU, Bo YUAN, Zhe LI, Fu GUO
Microstructure of a Variety of Cokes After Alkali Enrichment
Springer Science and Business Media LLC - Tập 20 - Trang 45-49 - 2013
Cheng-lin Qi, Jian-liang Zhang, Hong-quan Liu, De-wen Kong, Xiao-liu Wang
It is difficult to distinguish tamping coke and top charging coke by conventional testing methods, such as cold strength, abrasion resistance, reactivity and strength after reaction. Some of tamping coke s properties were even better than those of top charging coke, but from practical using effects of blast furnace, tamping coke was not as good as top charging coke. The reaction conditions were fe...... hiện toàn bộ
Oblique and Herringbone Buckling Analysis of Steel Strip by Spline FEM
Springer Science and Business Media LLC - Tập 18 - Trang 21-26 - 2011
Jian Qin, Qing-dong Zhang, Ke-fu Huang
The tilted waves in steel strip during rolling and leveling of sheet metal can be classified into two different types of buckling, oblique and herringbone buckling, respectively. Numerical considerations of oblique and herringbone buckling phenomena are dealt with by the spline finite element method (FEM). It is pointed out that the shear stress due to residual strains caused by the rolling proces...... hiện toàn bộ
Magnetic properties of nanocrystalline powder cores fabricated by mechanically crushed powders
Springer Science and Business Media LLC - Tập 22 - Trang 67-71 - 2015
Chun-bo Huang, Tian-cheng Liu, Xiang-yue Wang, Cao-wei Lu, De-ren Li, Zhi-chao Lu
Fe73.5Cu1Nb3Si15.5B7 nanocrystalline powder cores with different particle sizes ranging from 10 to 125 µm were fabricated by cold-pressing techniques. The cores exhibited increased core loss Pcv and decreased initial permeability µi with addition of fine powders below 50 µm in size, and the content should be less than 40 mass%. It was thought to be closely related to the high coercive force Hc due...... hiện toàn bộ
Final Temperature Prediction Model of Molten Steel in RH-TOP Refining Process for IF Steel Production
Springer Science and Business Media LLC - - 2012
Yu-nan Wang, Yanping Bao, Heng Cui, Bin Chen, Chenxi Ji
Stress corrosion cracking behavior of PH13-8Mo stainless steel in Cl− solutions
Springer Science and Business Media LLC - Tập 24 - Trang 282-289 - 2017
Qiang Yu, Chao-fang Dong, Jian-xiong Liang, Zhen-bao Liu, Kui Xiao, Xiao-gang Li
The stress corrosion cracking (SCC) behavior of PH13-8Mo precipitation hardening stainless steel (PHSS) in neutral NaCl solutions was investigated through slow-strain-rate tensile (SSRT) test at various applied potentials. Fracture morphology, elongation ratio, and percentage reduction of area were measured to evaluate the SCC susceptibility. A critical concentration of 1.0 mol/L neutral NaCl exis...... hiện toàn bộ
Influence of Cast Dimension on Rotary Bending High Cycle Fatigue Properties of Single Crystal Superalloy
Springer Science and Business Media LLC - Tập 20 - Trang 98-102 - 2013
Zhen-xue SHI, Mei HAN, Shi-zhong LIU, Jia-rong LI
FEM Analysis of Rolling Pressure Along Strip Width in Cold Rolling Process
Springer Science and Business Media LLC - Tập 14 - Trang 22-26 - 2007
Xiang-hua Liu, Xu Shi, Shan-qing Li, Jian-yong Xu, Guo-dong Wang
Using 3-D elastic-plastic FEM, the cold strip rolling process in a 4-high mill was simulated. The elastic deformation of rolls, the plastic deformation of the strip, and the pressure between the work roll and the backup roll were taken into account. The distribution of rolling pressure along the strip width was obtained. Based on the simulation results, the peak value of rolling pressure and the l...... hiện toàn bộ
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