124 Result(s)
within
Conference Paper
Ri** Feng
English
Characterization and Evaluation of Materials
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Chapter and Conference Paper
Shear Fatigue Cracking Analysis of Pavement with Thick Asphalt Layers Induced by Traffic Load
Top-Down cracking is one of the major distresses induced by traffic load for the pavement with thick asphalt layers. In this paper, an analytic model of pavement with thick asphalt layers is established in whi...
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Chapter and Conference Paper
Investigation of Fracture Behavior of Recycled Asphalt Mixtures Using a Discrete Element Computational Model
A discrete element computational model is used to simulate the fracture behavior of asphalt mixtures, containing different RAP proportions, at low temperatures. In this model, coarse aggregates are explicitly ...
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Chapter and Conference Paper
Research on the Database Construction of Furnace Material Consumption in EAF Steelmaking Process
As the three-level management system for plant cannot obtain statistics and carry calculation of for each furnace, the data from the system cannot provide guidance for actual smelting operation. In thi...
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Chapter and Conference Paper
Intermetallic Phase Formation in Mg–Ag–Nd (QE) and Mg–Ag–Nd–Zn (QEZ) Alloys
The intermetallic phase (designated δ phase) in the solution-treated QE22 (Mg–2.5Ag–2.0Nd–0.7Zr, wt%) has been investigated using scanning electron microscopy, electron , atomic-resolution scanning transm...
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Chapter and Conference Paper
Ni Recovery from Nickeliferous Pyrrhotite Concentrates via a Thermal Concentration Process: Effects of Heat Treatment Time
Nickeliferous pyrrhotite (Pyrr) represent a promising Ni resource. Previous work has demonstrated that heating of nickeliferous Pyrr in the presence of suitable under a non-oxidizing atmosphere is capable ...
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Chapter and Conference Paper
Effect of CO2 Mix Ratios on Materials and Heat Balances of Bottom-Blowing O2–CaO Converter
Bottom-blowing O2–CaO converters have been used in steelmaking plants for a long time owing to their superior . Furnace life has been known to restrict their wide application; however, this can be overcome by ...
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Chapter and Conference Paper
The Transition from Amorphous Carbon to Carbon Nanohorns by DC Arc Discharge
and had aroused an extensive concern due to their unique structure and wide application. It is worth noting that nanoballs and can be obtained by a . Remarkably, nanoballs with the size of 20–80 nm...
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Chapter and Conference Paper
Reduction Kinetics Analysis of Fe2O3 in the Case of Carbon Precipitation
The of (purity 99.9%) in the case of carbon is investigated using the isothermal thermogravimetric (TG) analysis controlled gas-base reduction. The TG curves are recorded in the experimental process, and...
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Chapter and Conference Paper
Optimization Dephosphorization Process of the Early Stage in 300t Steelmaking Converter with Top and Bottom Combined Blowing
The effect of oxygen supply systems and composition on in the early stage of smelting was studied. Metal samples, samples, and molten temperatures of a 300t at different smelting stages were analyzed...
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Chapter and Conference Paper
The Effect of the Addition of Cobalt Powder on Compressive Properties of Porous Titanium as Bone Substitute Materials
is considered as a potential bone substitute because of its good biocompatibility. In the preparation of , and can be distributed evenly in the matrix of with as an element. Such intermetallic ...
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Chapter and Conference Paper
Theoretical and Experimental Research on the Mass Changes of Elements in Molten Steel with CO2 Used as RH Lifting Gas
CO2 injection into RH as lifting gas was recently proposed instead of Ar. In this study, software was used for calculating the of elements in thermodynamic equilibrium with CO2 injection under vacuum conditio...
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Chapter and Conference Paper
Study on the Dendrite Arm Spacing of S50C Steel Produced by CSP
The always plays an important role in the formation of in products. In this study, the of in different positions on the slab produced without electromagnetic ) (CSP) was measured through the o...
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Chapter and Conference Paper
Study on the Influence of Different Preheating Conditions on Carbon Structure of 1/3 Coking Coal
The 1/3 , a kind of typical in the cokemaking process, was used as raw materials in this study. Coal materials were preheated to 200 °C, 300 °C, 350 °C, 380 °C, 400 ℃, and 420 °C, respectively, by two ways,...
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Chapter and Conference Paper
Study of the Influence of the Angle Between the Bottom Blowing Elements on the Dynamic Conditions in a 300t Converter
In this paper, the converter steelmaking process is studied using numerical simulations and experiments, in order to examine the influence of the between the bottom blowing elements and the gas flow rate, ...
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Chapter and Conference Paper
Prediction Model of End-Point Molten Steel Temperature in RH Refining Based on PCA-CBR
The end-point of molten for process, based on (PCA) and (CBR), was established for the precise control of end-point . Six principal components were selected from eleven factors influencing based...
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Chapter and Conference Paper
In Situ TEM Investigation of \( \left\langle {\varvec{c} + \varvec{a}} \right\rangle \) Dislocations in Magnesium
The ductility of is intimately related to \( \left\langle {c + a} \right\rangle \) . Understanding the behavior of \( \left\langle {c + a} \right\rangle \) dislocations is of critical importance for resolv...
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Chapter and Conference Paper
Novel VS4 Nanorods Synthesized by a Facile Solvothermal Method for High Performance Electrochemical Capacitor Electrode
Transiontion-metal chalcogenides (TMCs) have attracted increasing attention in energy storage over recent years. As an important member of the TMC family, has many intriguing chemical and physical benefi...
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Chapter and Conference Paper
Bond Behavior Between Limestone Calcined Clay Cement (LC3) Concrete and Steel Rebar
To investigate the mechanical properties of the localized LC3 concrete and interfacial bond behavior between LC3 concrete and steel rebar, different design mixtures of LC3 concrete and normal concrete were prepar...
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Chapter and Conference Paper
Microwave Absorption Properties of Polymer-Derived SiCN(Fe)/Si3N4 Ceramics
Iron-doped SiCN/Si3N4 were synthesized by with iron(III) and use porous silicon nitride as matrix. The pyrolyzed a certain amount of free carbon and silicon nitride at the high temperature. The content ...
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Chapter and Conference Paper
Hydrangea-Like VS4 Microspheres: A Novel Structure Material for High-Performance Electrochemical Capacitor Electrode
Novel hydrangea-like nanomaterials as high-performance electrode materials of supercapacitors were successfully synthesized by hydrothermal method using Na3VO4 · 12H2O2, citric acid and TAA (thioacetamide). The...
