76 Result(s)
within
Engineering
Materials Science, general
**ng-hua Li
Article
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Article
Catalytic effect of SCN− on electrodeposition of zinc-nickle alloy
The electrodeposition of zinc-nickle alloy was obtained on a copper cathode of 1×1cm2. The deposited alloys are quantitatively analyzed by atomic absorption spectrometry. The morphology of the deposits was observ...
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Article
An improved multicast routing algorithm
Multicasting is a communication service that allows an application to efficiently transmit copies of data packets to a set of destination nodes. The problem of finding a minimum cost multicast tree can be form...
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Article
Dynamic behaviors of coupled three-level atom system interacting with light field in cavity filled with Kerr-like medium
The Hamiltonian of coupled three-level atoms interacting with light field in the cavity filled with Kerr-like medium is derived. A simplified analytic solution to the Schrödinger equation of the system is obta...
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Article
On bifurcation from steady-state solutions to rotating waves in the Kuramoto-Sivashinsky equation
In this paper, we consider the detection and calculation of bifurcation from nontrivial steady-state solutions to rotating wave solutions of the Kuramoto-Sivashinsky(K-S) equation by using the nonlinear Galerk...
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Article
Heat Treatment of Die and Mould Oriented Concurrent Design
Many disadvantages exist in the traditional die design method which belongs to serial pattern. It is well known that heat treatment is highly important to the dies. A new idea of concurrent design for heat tre...
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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
Behavior of Transversal Crack on Slab Corner During V-H Rolling Process
The behavior of transversal cracks on the surface of the slab corner during vertical and horizontal (V-H) rolling process with flat vertical roll and groove vertical roll was simulated by explicit dynamic fini...
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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
On modeling and analyzing multi-agent systems using π-calculus
Dynamic architecture of multi-agent systems (MAS) is important for critical systems. As the existing formal specifications of MAS cannot describe its dynamic architecture, a formal approach using π-calculus is...
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Article
Improvement on Conventional Load Distribution Algorithm in Hot Tandem Mills
Load distribution is a key technology in strip hot rolling process, which influences the coil’s microstructure and performance. Currently, Newton-Raphson algorithm is applied to load distribution of hot tandem...
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Article
Influence of Dog-Bone Apex on Shape During Slab Horizontal Rolling Process
The deformation of slab with dog-bone shape during the horizontal rolling process was simulated using FEM, and the influences of apical dislocation of dog-bone on the slab spread as well as the minimum crop en...
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Article
High Nitrogen Austenitic Stainless Steels Manufactured by Nitrogen Gas Alloying and Adding Nitrided Ferroalloys
A simple and feasible method for the production of high nitrogen austenitic stainless steels involves nitrogen gas alloying and adding nitrided ferroalloys under normal atmospheric conditions. Alloying by nitr...
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Article
A dynamic grid service discovery model: TDMSD
Frequent joining and withdrawal of resources and services in a grid make dynamic discovery of grid resource and service quite difficult. In this paper, a two-dimensional model of service discovery (TDMSD) is p...
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Article
FEM Analysis of Rolling Pressure Along Strip Width in Cold Rolling Process
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 ...
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Article
Shape Setup System for 1700 Hot Strip Mill
Shape setup (SSU) system is the core technology for hot strip mill (HSM). A precise SSU system was used to improve the strip quality for HSM. The function of SSU, setup, and feedback was introduced. The main m...
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Article
Numerical Simulation of Temperature Field and Thermal Stress Field of Work Roll During Hot Strip Rolling
Based on the thermal conduction equations, the threedimensional (3D) temperature field of a work roll was investigated using finite element method (FEM). The variations in the surface temperature of the work r...
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Article
Numerical Study on Welding Line Behavior of Deep Drawing TWB Process
The FEM technology is used to analyze the welding line movement behavior of deep drawing TWB sheet with different thickness. It is found that high stress fields are concentrated around the welding line and lar...
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Article
Affecting Factors and Improving Measures for Converter Gas Recovery
To change the undesirable present situation of recovering and using converter gas in steel plants in China, the basic approaches to improving the converter gas recovery rate were analyzed theoretically along w...
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Article
Magnetic Properties and Kinetics Parameters of Electroless Magnetic Loss CoFeB Films
Electroless CoFeB films with good soft magnetic properties were fabricated on polyester plastic substrate from sodium tartarate as a complexing agent. The plating rate of electroless CoFeB films is a function ...
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Article
New Method for Evaluating Thermal Wear of Rolls in Rolling Process
A new method was developed by a thermal wear machine to evaluate the thermal wear of rolls in steel rolling process. The steel strip and rolls were simulated by upper and lower heating disks. The upper heating...
