415 Result(s)
within
English
Engineering
Applied and Technical Physics
Manufacturing, Machines, Tools, Processes
Guo Si**
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Article
Optimization and Model of Laminar Cooling Control System for Hot Strip Mills
The structure of laminar cooling control system for hot rolling was introduced and the control mode, cooling strategy, segment tracking and model recalculation were analyzed. The parameters of air/water coolin...
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Article
Microstructure and Mechanical Properties of Electromagnetic Centrifugal Cast 1Cr25Ni20Si2 Tube Blank
1Cr25Ni20Si2 tube blank centrifugally cast in a steady magnetic field was investigated. The results indicated that the solidification structure and the mechanical properties of the blank can be improved remark...
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Article
Three-Dimensional Model for Strip Hot Rolling
A three-dimensional model for strip hot rolling was developed, in which the plastic deformation of strip, the thermal crown of rolls, roll deflection and flattening were calculated by rigid-plastic finite elem...
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Article
Dynamic Recrystallization Behavior in Mn-Cr Gear Steel
Using a Gleeble 1500 hot simulator, the dynamic recrystallization (DRX) behavior of Mn-Cr type gear steel was investigated. The experimental results show that the Mn-Cr gear steel exhibits a typical DRX behavi...
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Article
Effects of Deformation on Bainite Transformation During Continuous Cooling of Low Carbon Steels
Hot deformation experiments were carried out on Gleeble 1500 thermo-mechanical simulator. The bainite transformation after deformation was investigated by optical microstructure analysis. The results indicated...
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Article
Electromagnetic Dam in Twin-Roll Strip Caster
The electromagnetic dam (EMD) in twin-roll strip caster was simulated with FEM. The results show that the direction and magnitude of Lorentz force distributing in the EMD changed in a period. The negative part...
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Article
Beneficiation of Titanium Oxides From Ilmenite by Self-Reduction of Coal Bearing Pellets
The study on the beneficiation of titanium oxides from Panzhihua ilmenites by reduction of coal bearing pellets was carried out. The iron oxides in pellets were efficiently reduced to metal iron, and titanium ...
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Article
Bainite Transformation Under Continuous Cooling of Nb-Microalloyed Low Carbon Steel
Utilizing Gleeble-1500 thermomechanical simulator, the influences of hot deformation parameters on continuous cooling bainite transformation in Nb-microalloyed low carbon steel were investigated. The results i...
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Article
Development of Hot Dip Galvanized Steel Strip and Its Application in Automobile Industry
Hot dip galvanized product is widely used in architecture, household electric appliance, ship vehicle, vessel, mechano-electronic device and other fields including clothing, food, housing, and travel. The hist...
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Article
Progress in Modeling of Phase Transformation Kinetics
Several methods representing the evolution of microstructure were introduced, which include the Johnson-Mehl-Avrami-Kolmogorov (JMAK) equation, Internal State Variable (ISV) framework, Koistinen-Marburger (K-M...
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Article
Austenite Recrystallization and Controlled Rolling of Low Carbon Steels
The dynamic recrystallization and static recrystallization in a low carbon steel were investigated through single-pass and double-pass experiments. The results indicate that as the deformation temperature incr...
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Article
Optimization of Holding Temperature and Holding Thickness for Controlled Rolling on Plate Mill
Holding temperature and holding thickness are main parameters for two-phase controlled rolling on plate mill. The optimization of holding temperature and holding thickness for pass schedule calculation of two-...
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Article
New Spheroidizing Technique of Ultra-High Carbon Steel With Aluminum Addition
A new spheroidizing process of ultra-high carbon steel (UHCS) containing C 1. 55%. Cr 1. 45%, and Al 1. 5% in mass percent has been proposed. The effect of processing parameters on the microstructure was analy...
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Article
Application of Approximation Full-Load Distribution Method to Pass Scheduling on Plate Mill With Hydro-Bending System
The influence of positive bending system on plate crown control was researched. The approximation fullload distribution method for pass scheduling was put forward. This method can not only make full use of the...
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Article
Surface Modification With Zinc and Zn-Ni Alloy Compositionally Modulated Multilayer Coatings
Zinc and Zn-Ni alloy compositionally modulated multilayer (CMM) coatings were electrodeposited on to a steel substrate by the successive deposition of zinc and Zn-Ni alloy sublayers from dual baths. The coated...
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Article
Superplasticity of Directionally Solidified NiAl-15Cr Alloy at High Temperature
Ni-25A1-15Cr (atomic percent, %) alloy was directionally solidified (DS) under argon atmosphere in an Al2 O3-SO2 ceramic mold by standard Bridgman method. The microstructure of the as-fabricated alloy was studied...
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Article
Microstructure Properties and Heat Treatment Process of Powder Metallurgy Superalloy FGH95
Microstructure and properties of nickel-based powder metallurgy (PM) superalloy were presented. Effects of nonmetallic inclusions and heat treatment on microstructure and properties were discussed. Development...
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Article
Calculation of Taper Rolling Time in Plan View Pattern Control Process
The forward slip model with adhesion was used to derive the formula of calculating taper rolling time. The relation between the rolling time and the taper length and the relation between the rolling time and t...
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Article
Analysis of Temperature Field and Thermal Crown of Roll During Hot Rolling by Simplified FEM
Thermal crown of roll is an important factor, which affects strip profile. It is necessary to analyze the temperature field and thermal crown of roll for hot strip mill. A new simplified finite element method ...
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Article
Effect of Processing Condition on Texture and Drawability of a Ferritic Rolled and Annealed Interstitial-Free Steel
The processing conditions of the texture formation and deep drawability of a Ti-IF steel strip hot-rolled in ferritic region and subsequently annealed were investigated. The r-value increases with the decrease of...
