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Effect of Laminar Cooling on Phase Transformation Evolution in Hot Rolling Process
Springer Science and Business Media LLC - Tập 17 - Trang 28-32 - 2010
Lin-xin NING, Dai-jun YANG, J Lin, TA Dean
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
Effect of Asynchronous Adjustments of Clamping Cylinders on Triangular Crack of Slab Castings Under Application of Soft Reduction
Springer Science and Business Media LLC - Tập 20 - Trang 38-47 - 2013
Ke Liu, Yun-he Chang, Zhan-guang Han, Jia-quan Zhang
Soft reduction is known to be one of the best ways to improve the internal quality of slab castings such as center segregation, center porosity, centerline or triangular zone cracks, which is based on a proper adoption of the amount of reduction upon the given final solidification rone through roll gap adjustments. The synchronization of the clamping cylinders for roll gap adjustments should be ve... hiện toàn bộ
Effect of Cyclic Annealing on Microstructure and Mechanical Properties of Medium Carbon Steel
Springer Science and Business Media LLC - Tập 23 - Trang 145-150 - 2016
Zhi-qing Lü, Hui-fang Zhang, Qing Meng, Zhen-hua Wang, Wan-tang Fu
The microstructure and mechanical properties of medium carbon steel after cyclic heat treatment were investigated. The effects of cyclic numbers and long time annealing on the microstructure and mechanical properties of the experimental steel were compared. A short-duration (5 min) holding at 1023 K (above A1 temperature) and a short-duration (3 min) holding at 893 K are adopted in each cyclic hea... hiện toàn bộ
Magnetic Properties of Thermally Aged Fe-Cu Alloys with Pre-deformation
Springer Science and Business Media LLC - Tập 23 - Trang 981-987 - 2016
Yi LI, Yuan-fei LI, Ben XU, Qiu-lin LI, Guo-gang SHU, Wei LIU
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
Wear Evaluation on Ni3Al/MnS Composite Related to Metallurgical Processes
Springer Science and Business Media LLC - Tập 19 - Trang 46-54 - 2012
Karin Gong, He-li LUO, Zhi-feng ZHOU, Zhi-ling TIAN, Lars Nyborg, Chang-hai LI
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
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