56 Result(s)
within
Applied and Technical Physics
Materials Engineering
Materials Science, general
**ng-hua Li
Engineering
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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
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
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
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
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
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
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
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
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
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
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
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
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
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
Effect of Slab Subsurface Microstructure Evolution on Transverse Cracking of Microalloyed Steel during Continuous Casting
As to the continuous casting process of low carbon microalloyed steel, subsurface microstructure evolution plays an important role in the slab surface cracking. In order to study the effect of the slab subsurf...
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Article
Thermal Crown Model and Shifting Effect Analysis of Work Roll in Hot Strip Mills
Considering the effect of work roll shifting on roll temperature field, a finite difference method of PR format for roll temperature field was presented, which can meet the requirements of accuracy and speed o...
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Article
Effect of final EMS on shrinkage cavity of bloom
Final EMS parameters in the continuous bloom casting have been optimized by experimental and simulated researches. Simulation results show that the temperature gradient in the molten melt can be decreased and ...
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Article
Forming limit and thickness transition zone movement for tailor rolled blank during drawing process
The process of automobile lightweight can be promoted by the application of tailor rolled blank (TRB) in the automobile industry. Therefore, research on the formability of TRB is of good practical significance...
