873 Result(s)
within
English
Engineering
Manufacturing, Machines, Tools, Processes
Guo Si**
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Chapter
Optimization of Hydraulic Cylinder
The optimization of hydraulic cylinder is studied. Based on theory of elasticity a mathematical model is established for optimizing main parameters. Meanwhile the boundary in stress concentration region, forme...
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Article
Classification of damage in concrete bridges
Le groupe de travail de la Commission Technique 104-DCC, qui traite des ponts, a présenté quatre rapports lors de la dernière réunion de la Commission qui s’est tenue à Munich en juin 1990.
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Chapter
Computer-Controlled Temperature System of Polymerization Reaction Autoclave
This paper presents the making of the polymerization reaction autoclave temperature control system based on computer, giving its hardware structure drawing, software flow chart graph, experimental graphics and...
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Article
The effect of specimen size on the fracture energy and softening function of concrete
This paper examines the effect of specimen size on the fracture energy of concrete, GF, as measured using the three-point bending test on pre-notched beams prescribed by RILEM TC-50 [1]. The concept of partial fr...
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Article
Development of the stiffness damage test (SDT) for characterisation of thermally loaded concrete
This paper describes the use of the Stiffness Damage Test (SDT) technique for quantifying the degree of deterioration experienced by thermally loaded concretes. The applicability of the SDT for assessing tempe...
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Article
The effect of instrument resolution on diffusion coefficients measured using NMR spectroscopy
This study presents a numerical simulation of the performance of an NMR spectrometer in which the influence of equipment with both low and high spatial resolutions is investigated. The results indicate that a ...
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Article
ANOVA Method for Variance Component Decomposition and Diagnosis in Batch Manufacturing Processes
In batch manufacturing processes, the total process variation is generally decomposed into batch-by-batch variation and within-batch variation. Since different variation components may be caused by different s...
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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...
