56 Result(s)
within
**ng-hua Li
Engineering
Applied and Technical Physics
Materials Engineering
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Article
Permissible Minimum Thickness in Asymmetrical Cold Rolling
The minimum rolling thickness in asymmetrical rolling was analyzed compared with that in symmetrical rolling. The differential equilibrium equations on forces were established to calculate the asymmetrical rol...
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Article
Residual Curvature of Longitudinal Profile Plate Roller in Leveling Process
Roller leveling process of longitudinal profile (LP) plate is hardly studied because plate thickness changes. Deformation characteristics and residual curvature during LP plate leveling process were investigat...
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Article
Multi-Objective Load Distribution Optimization for Hot Strip Mills
Load distribution is a key technology in hot strip rolling process, which directly influences strip product quality. A multi-objective load distribution model, which takes into account the rolling force margin...
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Article
Fluid Flow and Inclusion Motion in a Multi-Heat Teeming Tundish for Heavy Steel Ingot
Besides the function of molten steel supply in the casting process, tundish has a capability of decreasing the formation of macro-scale inclusions and promoting the flotation of the remaining inclusions. Both ...
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Article
Numerical Simulation and Experimental Investigation of Springbaek in U-Channel Forming of Tailor Rolled Blank
In order to grasp the springbaek rule of TRB (tailor rolled blank) parts after forming, the springbaek behavior of TRB was investigated by integrating such three means as theoretical research, numerical simula...
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Article
Partial Inverse Grain Size Dependence of Strength in High Mn Steels Microalloyed With Nb
Two steels without and with Nb addition were chosen to investigate the effects of Nb on the microstructures and the mechanical properties of Fe-Mn-Al-Si steels. The results revealed that Nb refined the grains ...
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Article
Dome Combustion Hot Blast Stove for Huge Blast Furnace
In Shougang **gtang 5 500 m3 huge blast furnace (BF) design, dome combustion hot blast stove CDCHBS) technology is developed. DCHBS process is optimized and integrated, and reasonable hot blast stove (HBS) te...
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Article
Optimization of Roll Shifting Strategy of Alternately Rolling in Hot Strip Mill
An optimization solution to roll shifting strategy for alternately rolling campaign is presented. All the strips in a rolling campaign are divided into narrow strips and wide ones, and shifting position of nar...
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Article
Algorithm Design and Application of Laminar Cooling Feedback Control in Hot Strip Mill
Feedback control is one of the most important ways to improve coiling temperature control precision during laminar cooling process. Laminar cooling equipments of a hot strip mill and structure of the control s...
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Article
Selection of Oxygen Pressure in BOF Steelmaking
Based on the on-site investigation and the principle of compressible flow, the working oxygen pressure should be matched to the Mach-number at the nozzle in designing nozzle and oxygen supply schedule so that ...
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Article
Online Shape Dynamic Wrap** Angle Compensation Model of Cold Strip
In specific condition, when wrap** angle of cold rolling strip covering surface of shape detecting roll dynamically changes, online radial compression of the shape detecting roll is changed too, and it serio...
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Article
Application of Temperature Inference Method Based on Soft Sensor Technique to Plate Production Process
There is a certain extent of measuring error for each pyrometer in plate production process, which has a great impact on process control system. A soft sensor technique is used to calculate the confidence inte...
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Article
Application of Self-Learning to Heating Process Control of Simulated Continuous Annealing
On the basis of a simulated bright continuous annealing experimental machine, a process control model for heating system was built. The heating model was simplified and self-learning parameters were normalized...
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Article
Derivation of plastic specific work rate for equal area yield criterion and its application to rolling
On the basis of the analysis of the hexagons inscribed and circumscribed of the Mises yield circle on the π-plane in Haigh Westergaard stress space, a new equation called equal area linear yield criterion or E...
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Article
Analysis of Strip Temperature in Hot Rolling Process by Finite Element Method
The program was developed by finite element method to calculate the temperature distribution in hot strip rolling process. The heat transfer coefficients of air cooling. water cooling and thermal resistance be...
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Article
Application of FEM to hot continuous rolling process for inconel 718 alloy round rod
A finite element model for coupled thermo-mechanical analysis has been developed in hot continuous rolling process for Inconel 718 alloy round rod with diameter of 45 mm. The stability of this alloy is discuss...
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Article
Fatigue property of low cost and high strength wheel steel for commercial vehicle
The fatigue properties of the newly developed wheel steel used for commercial vehicles were studied using push-pull axial loading fatigue tests with stress ratio R= − 1. Q235B steel, which is conventionally appli...
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Article
Transformation behavior of low carbon steels containing two different Si contents
Continuous cooling transformation behaviors of low carbon steels with two Si contents (0. 50% and 1. 35%) were investigated under undeformed and deformed conditions. Effects of Si contents, deformation, and co...
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Article
Influence of Edge Rolling Reduction on Plate-Edge Stress Distribution During Finish Rolling
Dimensions of one kind of stainless steel plate before finish rolling were obtained through analysis of the rough rolling processes by finite element method and updated geometrical method. The FE models of fin...
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Article
Long- and Short-Term Self-Learning Models of Rolling Force in Rolling Process Without Gaugemeter of Plate
Owing to a lack of gaugemeter and the variety of steel grades and standards in some plate mills, the long-and short-term self-learning models of rolling force based on gauge soft-measuring with high precision ...
