341 Result(s)
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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
Identification technology based on constitutive model database of geotechnical material
Constitutive model back analysis is an important aspect and difficult point in geo-material back analysis, in which the identification of geo-material constitutive model is precondition and foundation of const...
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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
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
Concentrated and gastight sampling technique of deepsea microplankton
A new sampling method of deepsea microplankton with function of in-situ concentrated sampling and gastight sampling was proposed. In-situ concentrated sampling technique was realized as follows: a microplankto...
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Article
Open AccessDensitometry determination of dioxins using gold nanoparticlemodified dioxin response element probes
This study aims to develop a rapid and sensitive densitometry bioassay of dioxins. It is known that dioxin ligand can bind heterodimeric aryl hydrocarbon receptor (AhR) and trigger the formation of the complex...
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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
Synthesis of N, N-diethyl dodecyl amine and its flotation properties on bauxite
N, N-diethyl dodecyl amine(DEN12) was synthesized from dodecyl amine, formic acid and acetic aldehyde. The collecting property of DEN12 on diaspore, kaolinite and illite was investigated by flotation test and inf...
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Article
Forming mechanism of hydrocarbon reservoirs in Yingshan Formation of Yuqi block in Akekule arch, Tarim Basin
The reservoir conditions, oil and gas charge history and accumulation phases were studied for Yingshan Formation of Yuqi block, and an oil and gas accumulation model was established by using the techniques of ...
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Article
Industrial experiment of copper electrolyte purification by copper arsenite
Copper electrolyte was purified by copper arsenite that was prepared with As2O3. And electrolysis experiments of purified electrolyte were carried out at 235 and 305 A/m2, respectively. The results show that the ...
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Article
Preparation and characterization of nanometer-sized barium titanate powder by complex-precursor method
A new complex-precursor method was proposed to prepare nanometer-sized BaTiO3 powder. Firstly, [Ti2O(O2)2(ta)2]4− complex ions were prepared by the reaction of H2O2, Ti4+ and ta3− (ta=[C6H6O6N]3−) with a desirabl...
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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...
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Article
Fabrication of micro carbon pillar by laser-induced chemical vapor deposition
Argon ion laser was used as the induced light source and ethane (C2H4) was selected as the precursor gas, in the variety ranges of laser power from 0.5 W to 4.5 W and the pressure of the precursor gas from 225×13...
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Article
Effects of gamma irradiation and moisture absorption on mechanical properties of PA6/PTFE blends
PA6/PTFE blends with varying polytetrafluoroethylene content from 3% to 15% (mass fraction) were irradiated by 60Co gamma-ray with various doses (20, 50 and 100 kGy) under ambient conditions. Moisture absorption ...
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Article
Thermal-rheology effect and temperature field of engineering polymers
The formation and evolution laws of the defect temperature field, heat dissipation in the process of defect evolution were studied. On the basis, the formation and evolution laws of the defect temperature fiel...
