نتایج جستجو برای: sic nanoparticles
تعداد نتایج: 119981 فیلتر نتایج به سال:
Silicon carbide (SiC) is an indirect wide band gap semiconductor that utilized in many industrial applications due to its extreme physical properties. SiC nanoparticles (NPs) exhibit a versatile surface chemistry, fluoresce from the ultraviolet near-infrared spectral ranges, and their sizes can be tuned one hundreds of nanometers. Yet, fluorescent NPs have received far less attention by scienti...
Advances in friction materials are imposed on developing multiceramic reinforced hybrid nanocomposites with superior tribomechanical properties. The silver-based matrix metals gained significance various applications like bearing, ratchet, and electrical contacts due to their high frictional resistance good thermal chemical stability compared traditional metals. present research is develop cont...
A systematic investigation of structural, mechanical, anisotropic, and electronic properties of SiC₂ and SiC₄ at ambient pressure using the density functional theory with generalized gradient approximation is reported in this work. Mechanical properties, i.e., the elastic constants and elastic modulus, have been successfully obtained. The anisotropy calculations show that SiC₂ and SiC₄ are both...
Obtaining a detailed understanding of the surface modification supports is crucial; however, it challenging task for development and large-scale fabrication supported electrocatalysts that can be used as alternatives to Pt-based catalysts oxygen reduction reaction (ORR). In this study, commercial silicon carbide (SiC) was modified through oxidization (O-SiC) support use Pd nanoparticles (Pd NPs...
Ni-Co-SiC composite coatings were prepared by modified watt-type plating solution with 40 nm SiC particles. The effects of polyethyleneimine (PEI) on the dispersion nanoparticles and hardness corrosion resistance studied. electrode reaction process was measured cyclic voltammetry. results showed that when PEI concentration 0.06 g/L, peak current highest. distribution in relatively uniform coati...
The nano-sized particle-reinforced metal matrix composites are the new potential material which could be applied in many industry fields, possess superior strength, ductility, and wear resistance comparison with micro-sized composites. However, fabrication methods of nanoparticles complex expensive. In present research, micron size SiC particles milled for 45-hours wet milling arrangement a pla...
Fabrication of nanoparticle-dispersed composites is an effective strategy for enhancing the performance thermoelectric materials, and in particular SiC nanoparticles have been often used to create with Bi2Te3-based applied materials. However, effect particle size on unclear. This work systematically investigated electrical thermal properties a series (Bi,Sb)2Te3-based nanocomposites containing ...
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