116 Result(s)
within
English
Materials Engineering
Metallic Materials
**ng-hua Li
Article
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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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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...
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Wear behavior and mechanism of a sliding pair of 0. 1C-3Cr-2W-V nitrided steel rubbing against an aluminum bronze alloy
Wear behavior and mechanism of plasma nitrided steel oscillating against a heat-treated and an untreated aluminum bronze alloy were investigated using an Optimol SRV tribometer. The influence of heat treatment...
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A sorbent of expanded rice husk powder for removal of uranyl ion from aqueous solution
A novel sorbent for the removal of uranyl ion was prepared by expanded rice husk powder. Batch adsorption experiments were performed on factors of pH, temperature, initial uranyl ion concentration, adsorbent d...
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Enhancement of post-annealing stability in Co/Ni multilayers with perpendicular magnetic anisotropy by Au insertion layers
Enhancement of post-annealing stability in Co/Ni multilayers with perpendicular magnetic anisotropy (PMA) was obtained by inserting Au layers into Ni/Co interfaces. After annealing at 350 °C, the effective mag...
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Friction Estimation and Roll Force Prediction during Hot Strip Rolling
A mathematical model of friction coefficient was proposed for the roll force calculation of hot-rolled strips. The online numerical solving method of the roll force calculation formula based on the proposed fr...
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Experiment and numerical simulation of melt convection and oxygen distribution in 400-mm Czochralski silicon crystal growth
Single-crystalline silicon materials with large dimensions have been widely used as assemblies in plasma silicon etching machines. However, information about large-diameter low-cost preparation technology has ...
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Numerical analysis of solid–liquid interface shape during large-size single crystalline silicon with Czochralski method
Numerical analysis is an effective tool to research the industrial Czochralski (CZ) crystal growth aiming to improve crystal quality and reduce manufacturing costs. In this study, a set of global simulations w...
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Springback behavior of tailor rolled blank in U-shape forming
The springback of tailor rolled blanks with quenching and partitioning steels was investigated. In order to find out the springback behavior and related influence factors for the novel sheets, both experimenta...
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Modeling deformation resistance for hot rolling based on generalized additive model
A model of deformation resistance during hot strip rolling was established based on generalized additive model. Firstly, a data modeling method based on generalized additive model was given. It included the se...
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Solvothermal synthesis of nano-CeO2 aggregates and its application as a high-efficient arsenic adsorbent
Aggregates of cerium dioxide nanoparticles (nano-CeO2) were successfully prepared via a facile solvothermal process in this study. The crystallographic information and morphological information of nano-CeO2 were ...
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Effect of shot peening on microstructure, nanocrystallization and microhardness of Ti–10V–2Fe–3Al alloy surface
Severe plastic deformation of Ti–10V–2Fe–3Al alloy in the surface region was caused by shot peening at air pressure of 0.6 MPa with processing time ranging from 1 to 45 min. The results showed that the thickne...
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Microstructure and tribological properties of carburized 95W–3.5Ni–1.0Fe–0.5Co heavy alloy
Tungsten heavy alloys (WHAs) produced by powder technology are widely used for the mechanical manufacturing, electronic and defense components, etc. Tribological properties of these alloys need to be improved ...
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A new method to predict mechanical properties for microalloyed steels via industrial data and mechanism analysis
A new modeling method has been developed by combining industrial data and metallurgical mechanisms. This method utilizes a series of models to predict the mechanical properties for microalloyed steels with hig...
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Humidity-resistant inorganic binder for sand core making in foundry practice
The performance of sand core was improved by using the modified water glass as a binder and adding powder additives in the sand hardening process. The optimal proportion of the compound additives was determine...
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Comprehensive evaluation of sintering basic characteristics of iron ore based on grey relational analysis
Sintering basic characteristics of fourteen iron ores were comprehensively evaluated using micro-sinter and grey relational analysis methods. The results show that magnetite has a low assimilability, high bond...
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Thermal conductivity of cast iron -A review
This paper gives a brief introduction to the four research methods for the study on thermal conductivity of cast irons, including experimental measurement, statistical analysis, effective medium theory and num...
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Atomic-scale structural evolution of electrode materials in Li-ion batteries: a review
Owing to the high spatial resolution at the atomic scale, the transmission electron microscopy (TEM) or scanning transmission electron microscopy is demonstrated as a promising characterization method to unvei...
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Calculating the effective thermal conductivity of gray cast iron by using an interconnected graphite model
A new theoretical model of gray cast iron taking into account a locally interconnected structure of flake graphite was designed, and the corresponding effective thermal conductivity was calculated using the th...
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Adsorption of Re(VII) by coated solvent-impregnated resins containing Alamine 304-1 from sulfuric acid solutions
The recovery of rhenium from waste acid is an urgent issue due to low rhenium concentration and high sulfuric acidity. To solve the problem, novel coated solvent-impregnated resins consisting of inert resins L...
