57 Result(s)
within
Metallic Materials
Li-** Cao
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Article
Possibility of utilizing water-atomized Fe-Ni-Mo steel powder as base materials for warm compaction process
Water-atomized Fe-Ni-Mo steel powder, was utilized as base powder for designing powder mixtures for warm pressing. The warm pressing and sintering behaviours of the powder mixtures were studied. The results sh...
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Article
Heredity of Aluminum Melt by Electric Pulse Modification (II)
Heredity of high pure aluminum melts under different pulse electric field was investigated by means of repetitious remelt experiment. The results indicate that the genetic coefficient by measurement of grain s...
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Article
Synthesis of N, N-diethyl dodecyl amine and its flotation properties on bauxite
N, N-diethyl dodecyl amine(DEN12) was synthesized from dodecyl amine, formic acid and acetic aldehyde. The collecting property of DEN12 on diaspore, kaolinite and illite was investigated by flotation test and inf...
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Article
Flotation of kaolinite and diaspore with hexadecyl dimethyl benzyl ammonium chloride
Tertiary amine was synthesized from fatty amine and formaldehyde. And then the synthesized tertiary amine was used to react with benzyl chloride to synthesize hexadecyl dimethyl benzyl ammonium chloride (1627)...
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Article
Influence of deposition voltage on phase, microstructure and antioxidation property of cristobalite aluminum phosphate coatings
Cristobalite aluminum phosphate (C-AlPO4) coatings were prepared by a hydrothermal electrophoretic deposition process on SiC-coated C/C composites. Phase compositions and microstructures of the as-prepared coatin...
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Article
Hot deformation behavior and constitutive relationship of Q420qE steel
Isothermal compression tests at temperatures from 1 273 to 1 423 K and strain rates from 0.1 to 10 s−1 were carried out to investigate the flow behaviors of Q420qE steel. Stress-strain data collected from the tes...
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Article
Semisolid die forging process, microstructures and properties of AZ31 magnesium alloy mobile telephone shells
A semisolid slurry of AZ31 magnesium alloy was prepared by vibrating wavelike slo** plate process, and the semisolid die forging process, microstructures, and properties of the magnesium alloy mobile telepho...
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Article
Metal-free direct oxidation of α-isophorone to ketoisophorone by I2 under photoirradiation
Molecular iodine was first utilized for direct oxidation of α-isophorone (α-IP) to ketoisophorone (KIP) with molecule oxygen at room temperature and the effects of amount of iodine, solvents and reaction time wer...
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Article
Droplet spraying of aluminum on magnesium
An Al coating on Mg substrate was achieved by droplet spraying treatment. The microstructure was studied by electron probe microanalysis (EPMA) and X-ray diffraction (XRD). The coating layer is composed of Al ...
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Article
Municipal solid waste degradation and landfill gas resources characteristics in self-recirculating sequencing batch bioreactor landfill
Based on the degradation characteristics of municipal solid waste (MSW) in China, the traditional anaerobic sequencing batch bioreactor landfill (ASBRL) was optimized, and an improved anaerobic sequencing batc...
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Article
Dynamic response characteristics of super high-rise buildings subjected to long-period ground motions
Spectrum characteristics of different types of seismic waves and dynamic response characteristics of super high-rise building structures under long-period ground motions were comparatively analyzed. First, the...
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Article
Improving wear resistance of magnesium by droplet spraying of Al-Si alloy
In order to improve the surface hardness and wear resistance of magnesium, Al-13%Si (mass fraction) alloy coating was deposited on pure magnesium by droplet spraying process. The microstructure was studied by ...
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Article
Microstructure of Fe-Based Alloy Composite Coatings Reinforced by Ti(C0.3N0.7) Particles Through Laser Cladding Technology
Fe-based alloy layer reinforced by Ti(C, N) particles was produced on the surface of cast steel. X-ray diffraction (XRD) was used for phase identification in the composite coating. The microstructure of laser ...
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Article
Friction and wear behavior of Mg–11Y–5Gd–2Zn–0.5Zr (wt%) alloy with oil lubricant
The sliding friction and wear behaviors of Mg–11Y–5Gd–2Zn–0.5Zr (wt%) alloy were investigated under oil lubricant condition by pin-on-disk configuration with a constant sliding distance of 1,000 m in the tempe...
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Article
The selective leaching and separation of molybdenum from complex molybdenite concentrate containing copper
In recent years, there has been an increasing focus on the hydrometallurgical processing of molybdenite, with the decline of high-grade and easily handled molybdenum minerals. In this work, a novel method of s...
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Article
Effects of calculation approaches for thermal conductivity on the simulation accuracy of billet continuous casting
An unsteady, two-dimensional, explicitly solved finite difference heat transfer model of a billet caster was presented to clarify the influence of the thermal conductivity of steel on model accuracy. Different...
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Article
Microstructure and stress-rupture property of an experimental single crystal Ni-base superalloy with different heat treatments
The influence of heat treatment on the microstructure and stress-rupture property at 1,100 °C/140 MPa was investigated in a 5.0 wt% Re containing experimental single crystal Ni-base superalloy. The results ind...
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Article
Intercritical Rolling Induced Ultrafine Lamellar Structure and Enhanced Mechanical Properties of Medium-Mn Steel
The medium-Mn steel with ferrite and austenite structure was rolled in the intercritical region down to different rolling reduction. The microstructure and mechanical properties of the rolled steels were inves...
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Article
Electronic and optical properties of anion-doped c-ZrO2 from first-principles calculations
Using the first-principles calculations based on density functional theory (DFT), the structure stability, electronic and some optical properties of C and N doped cubic ZrO2 (c-ZrO2) in 24-atom systems were inves...
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Article
Microstructural evolution of ECAPed 1050 alloy under magnetic annealing
Hardness and microstructure evolutions in 1050 aluminum alloy prepared by equal-channel angular pressing (ECAP) were investigated by hardness testing, optical microscopy, and transmission electron microscopy a...
