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365 Result(s)
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Chapter and Conference Paper
The Magnetic Resonance Force Microscope
The magnetic resonance force microscope (MRFM) marries the techniques of magnetic resonance imaging (MRI) and atomic force microscopy (AFM), to produce a three-dimensional imaging instrument with high, potenti...
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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 Farm Manure on Dissolution of Underlying Carbonate Rocks and Atmospheric CO2 Source/Sink
To study the effect of farmyard manure application on source/sink of atmospheric CO2, dolomite and limestone tablets were buried at different depths of soil profile in karst area in Guiyang city, Guizhou province...
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Chapter and Conference Paper
Research and Development of Heavy Wall DNV485FDU Pipeline Plate for 3500M Deep Water Pipe Applications at Shougang
In recent years, there has been development of several significant pipeline projects for the transmission of oil and gas from deep water environments. The production of gas transmission pipelines for applicati...
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Chapter and Conference Paper
Effects of Heat Treatment Process on Microstructure and Mechanical Properties for Extra-Thick High-Strength Steel Plate
To develop thickness>60mm, yield strength>550MPa high-strength steel plate, the effects of heat treatment process on the microstructure and mechanical properties of plate specimens were investigated on the sam...
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Chapter and Conference Paper
Investigation and Application of Nb Microalloying Technology in Seamless Steel Tube with High Performance
Extensive investigations of metallurgical roles played by Nb microalloying in advanced products of seamless steel tube have been carried out. The results show that with Nb microalloyed , the recrystallized aus...
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Chapter and Conference Paper
Stability of Fluorine-Free Mould Fluxes SiO2-CaO-Al2O3-B2O3-Na2O for Steel Continuous Casting
B2O3 and Na2O are key components of fluorine-free mould fluxes for continuous casting, but both are highly volatile which affects the flux stability. This paper investigates evaporation of the SiO2-CaO-Al2O3-B2O3
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Chapter and Conference Paper
Effect of Slag Prepared with Different Cooling Methods on Cleanliness of Bearing Steel GCr15
Bearing steel required high cleanliness. During LF refining, the type of slag has obvious effect on its cleanliness. Two kinds of refining slags have been prepared with different cooling methods after pre-melt...
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Chapter and Conference Paper
Effect of Na2O on Crystallisation Behaviour and Heat Transfer of Fluorine-Free Mould Fluxes
Most of the commercial mould fluxes contain fluorides which bring about serious environmental problems. The major challenge in the application of fluorine-free mould fluxes is to control the heat transfer from...
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Chapter and Conference Paper
Development of Low Carbon Niobium Bearing High Strength F-B Dual Phase Steel with High Hole Expansion Property
In the study a low carbon niobium bearing high strength F-B dual phase automobile steel with high hole expansion property has been investigated. Steels of different chemical composition have been investigated ...
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Chapter and Conference Paper
Development and Technology of Large Thickness TMCP Steel Plate with 390MPA Grade Used for Engineering Machinery
Recently, with the rapid upgrading of the equipment in the steel Corp, the rolling technology of TMCP has been rapidly developed and widely applied. A large amount of steel plate has been produced by using the...
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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
In-Situ Studies on the Crystallization of CaO-SiO2-CaF2-CeO2 System by a Confocal Laser Scanning Microscope
The recovery of rare earth elements from metallurgical slags containing rare earths is an important topic. The crystallization behavior of CaO-SiO2-CaF2-CeO2 system with CeO2 content range from 12 to 16 mass pct ...
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Chapter and Conference Paper
Microstructure Evolution and Tensile Property of Al-4.35Cu-1.53Mg Alloy during Creep Age Forming Process
Creep age forming (CAF) is an effective technology to manufacture large aircraft panel components of aluminum alloys. CAF has attracted much attention in the past few years, however, the evolution of microstru...
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Chapter and Conference Paper
Abnormal Recrystallization Behavior of High Purity Aluminum Foil
The influence of heating rates on recrystallization behavior of high purity aluminum foil was systematically studied in the present paper. The result shows that the recrystallized sample experienced a low heat...
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Chapter and Conference Paper
Corrosion Behavior of New Cr-Ni-Cu Low Alloy Seawater Corrosion Resistant Steel
Two kinds of Cr-Ni-Cu low alloyed steels were designed, 0.1%C-0.7%Cr-1.2%Ni-0.7Cu and 0.1%C-0.7%Cr-0.3%Ni-0.5Cu. With the method of SEM, XRD and electrochemical analysis and testing technology, periodic immers...
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Chapter and Conference Paper
Effect of Pipe Body Alloy on Weldability of X80 Steel
Effect of Mo, Ni, and Cr on impact property of pipe seam and heat-affected zone (HAZ) of X80 steel was investigated by thermal simulation test and butt welding test. The results showed that, there was an obvio...
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Chapter and Conference Paper
The Development of Lightweight Commercial Vehicle Wheels Using Microalloying Steel
Lightweight wheels can reduce weight about 100kg for commercial vehicles, and it can save energy and reduce emission, what’s more, it can enhance the profits for logistics companies. The development of lightwe...
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Chapter and Conference Paper
New Development of HSLA Steels in China
During the last decade, the adjustment and upgrade of steel product structures always be very important tasks in China’s iron and steel industry. Since there is a fast growth of steel production in China, a se...
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Chapter and Conference Paper
Development and Application of the High-Strength Wear-Resistance Steel Used for the Lightweight Heavy-Duty Dump Mining Truck
Shougang Group has developed advanced high-strength wear-resistance steel of NM450 by using Nb-Mo-Cr-Ti-B micro-alloyed design and two-stage rolling and quenching and tempering process. In spite of high streng...