57 Result(s)
within
Metallic Materials
Li-** Cao
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Article
Fractal and microscopic quantitative characterization of unclassified tailings flocs
A series of laboratory investigations are conducted to analyze the effect of flocculant type on the spatial morphology and microstructural characteristics of flocs during the flocculation and settling of taili...
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Article
Settlement characteristics of large-diameter shield excavation below existing subway in close vicinity
A case of Qinghuayuan tunnel excavation below the existing Bei**g Subway Line 10 is presented. The new Qinghuayuan tunnel, part of the Bei**g-Zhangjiakou High-speed Railway, was excavated by a shield machine...
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Article
Dynamic response limit of high-speed railway bridge under earthquake considering running safety performance of train
Due to the wide railway network and different characteristics of many earthquake zones in China, considering the running safety performance of trains (RSPT) in the design of high-speed railway bridge structure...
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Article
Improved Ag–Si interface performance for Si solar cells using a novel Te-based glass and recrystallization process of Ag
In order to prove that the Te-based glass frit could be applied to Ag pastes to fabricate Ag electrode and elucidate the reactions among Ag, the frit, and the Si wafer, the Te-based glass and Ag pastes with di...
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Article
NaV3O8/poly(3,4-ethylenedioxythiophene) composites as high-rate and long-lifespan cathode materials for reversible sodium storage
Sodium-ion batteries have received a surge of interests for the alternatives to lithium-ion batteries due to their abundant reserves and low cost. The quest of reliable and high-performance cathode materials i...
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Article
Comparison of leaching of bornite from different regions mediated by mixed moderately thermophilic bacteria
Bioleaching experiments combined with X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD) and scanning electron microscopy (SEM) were conducted to investigate three kinds of bornites from different...
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Article
Process mineralogy characteristics of acid leaching residue produced in low-temperature roasting-acid leaching pretreatment process of refractory gold concentrates
To provide a theoretical basis for a suitable process to extract gold from refractory gold concentrates, process mineralogy on the acid leaching residue of gold calcine was studied by chemical composition, X-r...
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Article
Effects of Ag addition on the microstructures and properties of Al–Mg–Si–Cu alloys
Effects of Ag addition on the microstructures, aging characteristics, tensile properties, electrochemical properties, and intergranular corrosion (IGC) properties of Al–1.1Mg–0.8Si–0.9Cu–0.35Mn–0.02Ti alloy we...
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Article
Effect of Si on high temperature oxidation of 30Cr13 stainless steel
The effect of Si on the high temperature oxidation behavior of the 30Cr13 martensitic stainless steels was investigated. The underlying mechanism was further discussed by oxidation kinetics curves, scanning el...
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Article
Effects of Mo and Mn on Pitting Behavior of Duplex Stainless Steel
Effects of Mo and Mn elements on pitting corrosion resistance of lean duplex stainless steel in Cl− media solution have been studied. Gravimetric tests in 6 mass% FeCl3 at 35 °C and potentiodynamic analysis in 3....
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Article
Microstructure characterization and tensile properties of a Ni-containing TiAl-based alloy with heat treatment
The effects of Ni addition on solidification microstructure and tensile properties of Ti-48Al-2Cr-2Nb alloy were investigated using differential scanning calorimetry (DSC), X-ray diffraction (XRD), scanning el...
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Article
Microstructure evolution of Ti–46Al–6Nb–(Si,B) alloys during heat treatment with W addition
The cast ingots of Ti–46Al–6Nb–0.25Si–0.2B and Ti–46Al–6Nb–0.5W–0.25Si–0.2B (at%) were made by induction skull melting (ISM) technique. A series of heat treatments (HTs) were conducted to research the microstr...
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Article
Synthesis and ionic conductivity of Li6La3BiSnO12 with cubic garnet-type structure via solid-state reaction
The synthesis and transport properties of the Li6La3BiSnO12 solid electrolyte by a solid-state reaction were reported. The condition to synthesize the Li6La3BiSnO12 is 785 °C for 36 h in air. The refined lattice ...
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Article
Coordinated scheduling model for intermodal transit hubs based on GI/M K /1 queuing system
Coordinated scheduling of multimode plays a pivotal role in the rapid gathering and dissipating of passengers in transport hubs. Based on the survey data, the whole-day reaching time distribution at transfer p...
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Article
In Situ TEM Observation on Martensitic Transformation during Tensile Deformation of SUS304 Metastable Austenitic Stainless Steel
Through in situ transmission electron microscopy observation on SUS304 metastable austenitic stainless steel during stretching at room temperature, it is found that ε martensite plates were induced preferentially...
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Article
Application of Te-Based Glass in Silicon Solar Cells
(90−x)TeO2–xZnO–10Bi2O3 (x = 15, 17.5, 20 and 22.5, in mol%) and 70TeO2–20ZnO–(10−y)Bi2O3−yNa2O (y = 1, 3, 5, 7, and 10, in mol%) glasses, and the corresponding Ag paste were prepared in order to prove that the T...
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Article
Influence of sintering temperature on the thermoelectric properties of Ba8Ga16Si30 clathrate treated by spark plasma sintering
A series of Ba8Ga16Si30 clathrate samples were prepared by arc melting, ball milling, acid washing, and spark plasma sintering (SPS). X-ray diffraction analysis revealed that the lattice of the Ba8Ga16Si30 sample...
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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...
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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
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...
