49 Result(s)
within
**-She Wang
Metallic Materials
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Article
Restoring-force model of modified RAC columns with silica fume and hybrid fiber
In order to establish a restoring-force model for modified concrete columns with recycled aggregates concrete (RAC), cyclic loading tests were carried out on five concretes with RAC columns and ordinary concre...
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Article
Solid solubility extension and microstructure evolution of cast zirconium yttrium alloy
Yttrium addition can improve the oxidation resistance, mitigate hydrogen embrittlement and thus enhance the mechanical properties of the zirconium alloy. To study solid solubility extension of yttrium in zirco...
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Article
Spheroidization of molybdenum powder by radio frequency thermal plasma
To control the morphology and particle size of dense spherical molybdenum powder prepared by radio frequency (RF) plasma from irregular molybdenum powder as a precursor, plasma process parameters were optimize...
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Article
Reduction–melting behaviors of boron-bearing iron concentrate/carbon composite pellets with addition of CaO
Although the total amount of boron resources in China is high, the grades of these resources are low. The authors have already proposed a new comprehensive utilization process of boron-bearing iron concentrate...
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Article
Influence of intermediate principal stress on failure mechanism of hard rock with a pre-existing circular opening
Based on particle flow theory, the influences of the magnitude and direction of the intermediate principal stress on failure mechanism of hard rock with a pre-existing circular opening were studied by carrying...
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Article
Methodology for estimating probability of dynamical system’s failure for concrete gravity dam
Methodology for the reliability analysis of hydraulic gravity dam is the key technology in current hydropower construction. Reliability analysis for the dynamical dam safety should be divided into two phases: ...
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Article
Microstructure and tensile properties of Mo alloy synthetically strengthened by nano-Y2O3 and nano-CeO2
Nano-Y2O3 and nano-CeO2 of different weight ratio mixed with deionizing water were doped into MoO2 powder by liquid–solid do** method. The diameter 1.80 and 0.18 mm alloy wires of Mo–0.3Y, Mo–0.3Ce, and Mo–0.15...
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Article
Reduction Characteristics and Kinetics of Bayanobo Complex Iron Ore Carbon Bearing Pellets
The kinetics of isothermal reduction of the carbon bearing pellets, which were mainly composed of Bayanobo complex iron ore and pulverized coal, was investigated by thermogravimetry at the temperature of 1 273...
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Article
Synthesis of dandelion-like TiO2 microspheres as anode materials for lithium ion batteries with enhanced rate capacity and cyclic performances
Dandelion-like TiO2 microspheres consisting of numerous rutile single-crystalline nanorods were synthesized for the first time by a hydrothermal method. Their crystal structure, morphology and electrochemical pro...
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Article
Reduction Behavior of Sinter Based on Top Gas Recycling-Oxygen Blast Furnace
In order to explore the behavior laws of sinter reduction in TGR-OBF (top gas recycling-oxygen blast furnace), reduction experiments of sinter have been conducted by thermal balance mass loss method with diffe...
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Article
Underwater friction stir welding of ultrafine grained 2017 aluminum alloy
2017 aluminum alloy plates with an ultrafine grained (UFG) structure were produced by equal channel angular processing (ECAP) and then were joined by underwater friction stir welding (underwater FSW). X-ray di...
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Article
Basic properties of steel plant dust and technological properties of direct reduction
Basic physicochemical properties of the dust from Laiwu Iron and Steel Co. Ltd. were studied. It is found that C, Zn, K, Na, etc. exist in the fabric filter dust, off gas (OG) sludge, fine ash in converter, and e...
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Article
Modification of MgO·Al2O3 spinel inclusions in Al-killed steel by Ca-treatment
The modification of MgO·Al2O3 spinel inclusions in Al-killed steel by Ca-treatment has been studied by industrial trials and thermodynamic calculations. In the industrial trials, samples were taken systematically...
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Article
Behavior of MgO • Al2O3 Based Inclusions in Alloy Steel During Refining Process
The transformation of MgO • Al2O3 based inclusions in alloy steel during refining has been studied by industrial trials. Besides Factsage software is used to study the formation and modification of spinel inclusi...
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Article
Plastic variational principle based on the least work consumption principle
Plastic variational principles are foundation to solve the boundary-value problems of plastic mechanics with the variational method (or energy method) and finite element method. The most convenient way of esta...
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Article
An elasto-plastic constitutive model of moderate sandy clay based on BC-RBFNN
Application research of neural networks to geotechnical engineering has become a hotspot nowadays. General model may not reach the predicting precision in practical application due to different characteristics...
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Article
Mechanism and calculation method of rheological settlement of high-filled embankment
The characteristics of high-filled embankment rheological settlement were analyzed; mechanical calculation model of high-filled embankment rheological settlement during constructing and running period was also...
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Article
Kinetics of Voluminal Reduction of Chromium Ore Fines Containing Coal by Microwave Heating
The kinetics of voluminal reduction of chromium ore fines containing coal (COFCC) by microwave heating was studied. When the molar ratio of carbon to oxygen was 0.84 and that of CaO to SiO2 was 0.39 in COFCC, the...
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Article
Isolation of Leptospirillum ferriphilum by single-layered solid medium
According to physiological and biochemical characteristics of Leptospirillum ferriphilum, a strain of object bacteria was isolated successfully. Bacteria were enriched by selective liquid medium and plated on des...
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Article
Tensile rheological properties of sheet TC1 Ti-alloy
Combined closely with the practical production of rectifier internal hood deep-drawing thermal forming, in order to provide parameters of material properties for the numerical simulation, the standard samples ...
