32 Result(s)
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Article
Research progress of permanent ferrite magnet materials
Permanent ferrite magnet materials are extensively employed due to their exceptional magnetic properties and cost-effectiveness. The fast development in electromobile and household appliance industries contrib...
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Article
Design and application of copper/lithium composite anodes for advanced lithium metal batteries
Lithium (Li) is a promising candidate for next-generation battery anode due to its high theoretical specific capacity and low reduction potential. However, safety issues derived from the uncontrolled growth of...
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Improved uniformity of deposited metallic layer on hybrid micro/nano-structured Si substrates fabricated by two-step laser ablation for SERS application
Surface-enhanced Raman scattering (SERS) has been widely used as an effective technique for low-concentration molecules detections in the past decades. This work proposes a rapid and accessible process to fabr...
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Article
Additives to propylene carbonate-based electrolytes for lithium-ion capacitors
Nowadays, lithium-ion capacitors (LICs) have become a type of important electrochemical energy storage devices due to their high power and long cycle life characteristics with fast response time. As one of the...
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Article
Mechanism and threshold fluence of nanosecond pulsed laser paint removal
In this paper, the nanosecond pulse laser surface treatment of the waterborne anti-rust paint on HT250 gray cast iron was carried out. The area and depth of the per-pulse laser ablation paint layer were measur...
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Efficient and accurate worm grinding of spur face gears according to an advanced geometrical analysis and a closed-loop manufacturing process
Worm grinding has been applied to manufacture gears to pursue high accuracy and fine surface finish. When the worm used to grind face gears is manufactured with multi-axis computer numerical control (CNC) mach...
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Effects of laser shock processing, solid solution and aging, and cryogenic treatments on microstructure and thermal fatigue performance of ZCuAl10Fe3Mn2 alloy
The materials used in variable temperature conditions are required to have excellent thermal fatigue performance. The effects of laser shock processing (LSP), solid solution and aging treatment (T6), and cryog...
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Article
In-site core disking phenomenon and break mechanism of hard marble: Investigation in 2400 m deep-buried underground laboratory
The core-disk phenomenon has been observed generally in the drilling process under high-stress conditions. This paper presents the in-situ experimental study of the coring-disking failure mechanism of marble i...
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Ablation resistance and mechanism of SiC/ZrC-ZrB2 double layer coating for C/C composites under plasma flame
To improve the ablation resistance of carbon/carbon (C/C) composites, a SiC/ZrC-ZrB2 double layer coating was fabricated by pack cementation and slurry-sintering method. The ablation resistance of the SiC/ZrC-ZrB
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Article
Effect of annealing temperature on the microstructure and optoelectrical properties of ZnO thin films and their application in self-powered accelerometers
This paper reports a piezoelectric nanogenerator (NG) with a thickness of approximately 80 μm for miniaturized self-powered acceleration sensors. To deposit the piezoelectric zinc oxide (ZnO) thin film, a magn...
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Article
Facile synthesis of Sb@Sb2O3/reduced graphene oxide composite with superior lithium-storage performance
Sb-based materials have been considered one of the most promising anode electrode materials for lithium-ion batteries, whereas they were commonly synthesized through time-consuming and costly processes. Here, ...
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Article
Catalytic activity of Cu–SSZ-13 prepared with different methods for NH3-SCR reaction
A series of Cu–SSZ-13 catalysts with the same Cu loading were prepared by different methods of incipient wetness impregnation [Cu–SSZ-13 (IWI)], ion exchange [Cu–SSZ-13 (IE)] and hydro-thermal synthesis [Cu–SS...
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Article
Tuning performance of Pd/Sn0.9Ce0.1O2 catalyst for methane combustion by optimizing calcination temperature of support
A series of 0.2 wt% Pd/Sn0.9Ce0.1O2 catalysts were prepared by impregnation method based on the pre-synthesis of Sn0.9Ce0.1O2 support prepared by co-precipitation method, and then characterized by Brunauer–Emmett...
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Article
Surface property variations in flotation performance of calcite particles under different grinding patterns
Based on the working principles of particle bed comminution, particles produced by high-pressure grinding rolls (HPGR) have surface properties different from particles produced by other grinding patterns, whic...
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Editorial for rare metals, special issue on advanced thermoelectric materials
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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
Tensile Properties and Deformation Behavior of Several Cast Ni-Based Superalloys Fabricated by Different Solidification Ways
The tensile properties and deformation behavior of several cast Ni-based superalloys, respectively, in the equiaxed, columnar-crystal and single-crystal styles are comparatively studied. The effects of solidif...
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Article
Characterization of terbium-doped nano-hydroxyapatite and surface modification
The control synthesis of nanoparticles was the implementation process of material ideal design. Nano-hydroxyapatite (HAP) was prepared by a hydrothermal method with calcium nitrate and diammonium hydrogen phos...
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Article
Effect of Strengthening Phase on Deformation Behaviour During Uniaxial Tension of Hot-Rolled Dual Phase Steel
Two kinds of C-Si-Mn-Cr series tested steels were designed to obtain dual phase microstructures of ferrite (F) + martensite (M) or ferrite (F) + bainite (B) with different mechanical properties. Effects of str...
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Article
Biogenic characteristics of Mesozoic cherts in southern Tibet and its significance
The **alu chert, which contains abundant biological information, were investigated by major element analysis, micro-Raman, SEM and EPMA. The results show that SiO2 content of chert is 84.12%–93.08%, averaging 89....
