81 Result(s)
within
Characterization and Evaluation of Materials
Metallic Materials
Yu** Zhou
Chapter
Conference Paper
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Chapter and Conference Paper
Bioleaching of Metals from Tail-Serpentine by Aspergillus niger
There are significant quantities of metallic elements contained in low-grade ores and mining residues. However, some of them potentially endanger the environment, as elements may be released into the environme...
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Chapter and Conference Paper
Effect of Ultra-Fast Cooling on Microstructure and Properties of High Strength Steel for Shipbuilding
The effect of ultra-fast cooling(UFC) and conventional accelerated cooling(AcC) on the mechanical properties and microstructure of controlled rolled AH32 grade steel plates on industrial scale were compared us...
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Chapter and Conference Paper
Nb Effects on the Dynamic Recrystallization Behavior and Mechanical Properties of V/Ti Alloyed Non-Quenching and Tempering Steel
The dynamic recrystallization behaviors of the microalloyed non-quenching and tempering steels of 38MnVS and C38N2 were studied by the simulation of hot deformation in the Gleeble3800. The stress versus strain...
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Chapter and Conference Paper
Strengthen-Mechanism and Corrosion Resistance of Niobium Added HSLA Weathering H-Beams Processed by Ultra-Fast Cooling Process
Strengthen-mechanism and corrosion resistance of niobium addition high strength low alloy weathering H-beams produced by ultra-fast cooling technology, had been investigated in this research. The results show ...
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Chapter and Conference Paper
Effect of Mo Addition on the Precipitation Behavior of Carbide in Nb-Bearing HSLA Steel
The effect of Mo addition on the precipitation of carbides both in austenite and ferrite of Nb-bearing HSLA steel were investigated by stress relaxation and transmission electron microscopy (TEM). Experimental...
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Chapter and Conference Paper
Evaluation Of The Quenching Sensitivity Of Al-Zn-Mg-Cu-Zr Aluminum Alloys By Mole Fraction Of Equilibrium Phases
The effect of composition on the quenching sensitivity of Al-Zn-Mg-Cu-Zr aluminum alloys was investigated through hardness test, microstructure analysis and thermodynamic calculations. The materials involved a...
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Chapter and Conference Paper
Microhardness Profile and Microstructure Characterization in Friction Stir Processing Zone of the Aged and Solid Solution Treated 7075 Aluminum Alloys
In this study significant difference on the micro-hardness profile and the microstructures evolution after friction stir processing of the aged and solution treated state 7075 alloys sheet are observed. A comp...
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Chapter and Conference Paper
Development of New Type Seawater Resistant Steel and the Research of Its Structure and Corrosion Resistance
This paper investigated two kinds of corrosion resistant low alloy steels depending on the environment of the North China see (Steel S) and South China sea (Steel N), respectively. The mechanical and corrosion...
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Chapter and Conference Paper
Dissolution Mechanisms of Nutrient Elements from Steelmaking Slag into Seawater
Steelmaking slag is one of major by-products from steelmaking process and its efficient recycling is essential to establish the environmentally-friendly steelmaking industry. Recently steelmaking slag has been...
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Chapter and Conference Paper
Effect of Silicon on Removal of Phosphorus from High Phosphorus Si–Mn Alloy by CaO-Based Slag
The effect of silicon on removal of phosphorus from high phosphorus was investigated at 1673 K by CaO-based slag. It was found that the efficiency increases significantly as increasing the silicon content,...
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Chapter and Conference Paper
Effect of the Addition of Ce and Si on Hot Cracking Behavior of SiMn Alloy During the Solidification Process
The effect of the addition of Ce and Si on the hot cracking behavior of SiMn alloy during the solidification process has been studied respectively by scanning electron microscope with energy-dispersive spectro...
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Chapter and Conference Paper
CFD Study of Gas-Liquid Phase Interaction Inside a Submerged Lance Smelting Furnace for Copper Smelting
Bath smelting technology, such as the submerged lance smelting furnace, is used in the modern copper making industry. The first submerged lance smelting furnace developed by Dongying Fangyuan Nonferrous Metals...
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Chapter and Conference Paper
Effect of Lance Configurations on Coal Flow and Combustion Characteristics
Coal strongly depends on the residence time and dispersion of coal particles in the region of a blast furnace. The residence time and dispersion of coal particles are directly related to the lance arrangem...
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Chapter and Conference Paper
Investigation on Coal Combustion Behaviors in the Oxygen Blast Furnace
The is a new technology for ironmaking, where the oxygen and CO2-stripped blast furnace top gas are blown into the blast furnace replacing the conventional hot air. The oxygen blast furnace could reduce the con...
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Chapter and Conference Paper
Preparation of Molybdenum Powder from Molybdenite Concentrate Through Vacuum Decomposition-Acid Leaching Combination Process
A novel process that the combination of vacuum decomposition and acid leaching was proposed. The influence of distillation times, diameter and thickness of the feeding material on the mass fraction of Molybden...
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Chapter and Conference Paper
Investigation of the Carbothermic Reduction of Chromium-Containing Vanadium Extraction Residue
In order to recover the chromium resource in chromium-containing vanadium extraction , a promising method is to prepare ferrochromium with the residue. The synthetic residue has been reduced under 1300, 1350 ...
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Chapter and Conference Paper
High Temperature Mineralization Mechanism of Granules During Iron Ore Sintering Process
Mineralization during sintering is a process to make part of the raw material melt after serial complex chemical reactions at high temperature. However, high temperature mineralization behavior of the adhesion...
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Chapter and Conference Paper
Evolution of Austenite Dislocation Density During Hot Deformation Using a Physical Dynamic Recrystallization Model
A new model to predict the dislocation density evolution of 30Cr2Ni4MoV steel during hot deformation was proposed in this study. Hot compression of 30Cr2Ni4MoV steel was carried out on Gleeble 1500 at differen...
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Chapter and Conference Paper
Investigate on the Phase Composition of Vanadium Slag with High CaO Content and Influence of P2O5 on Crystallization Kinetics of Spinels
An effective way to decrease the dephosphorization burden in the current vanadium extraction-steelmaking process is slagging with CaO in vanadium extraction step. The composition of vanadium slag with differ...
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Chapter and Conference Paper
A New Method to Detect the High Temperature Distribution in the Ironmaking and Steelmaking Industry
The high temperature distribution in ironmaking and steelmaking industry is very important to control the smelting process. Although equipment is available to measure the temperature in the smelting process, i...
