Behind the flourishing development of many industries such as electronics and new energy, there is a seemingly insignificant but crucial material - conductive silver paste. Keyboards, mobile phones, tablets, solar panels, smart cards, RFID and other devices rely on them to achieve connections and fully function. Silver has the highest conductivity among metals, with excellent conductivity, thermal...
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The meanings of metamorphic treatment, grain refinement, and primary phase refinement or morphology change are different, and sometimes the term metamorphic treatment is used to summarize these contents. (1) Deterioration treatment. For simple binary Al Si alloys, such as Z102 containing 11%~13% Si, it is a typical eutectic alloy. Its organization consists of coarse needle shaped (should be layere...
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With the rapid development of modern industry and technology, different industries have increasingly high performance requirements for powder materials. In addition to having extremely low impurity content, fine particle size, and narrow particle size distribution, powder materials also need to have a certain particle morphology. Spherical powders have been widely used in high-end industries such ...
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Why do nanoparticles aggregate? 1.Surface free energy driven mechanism Nanoparticles have a larger specific surface area and unsaturated surface atoms, leading to an increase in surface free energy. Multi particle contact can reduce the total surface area, release interfacial energy, and thus lower the system's free energy. This trend of energy minimization is the intrinsic thermodynamic driving f...
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In today's paint and plastic industry, which pursues high performance, lightweight, and environmental protection, traditional fillers and reinforcing agents have long been unable to meet the demands of the high-end market. The emergence of nano high-purity magnesium oxide, with its triple advantages of "filling+reinforcement+functionalization", brings performance leaps to coating and plastic produ...
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1. Structural Paradigm: The Inverse Spinel Advantage Nickel Ferrite (NiFe2O4) stands as a premier magnetic semiconductor characterized by its inverse spinel crystal structure. In this configuration, Ni2+ ions reside in octahedral [B] sites, while Fe3+Fe3+ ions are split between tetrahedral (A) and octahedral [B] sites. This atomic arrangement facilitates strong&n...
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There are three main reasons for making copper nanowires into wet powder (soaked in solvents such as ethanol/isopropanol) for packaging: 1. Preventing oxidation - The main reason is that copper nanowires have a diameter of tens of nanometers, a very large aspect ratio, a very high specific surface area, and extremely strong surface activity. When exposed to air in a dry state, it rapidly oxidizes ...
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Scope: determination of Fe content/purity and impurity elements (Na, K, Ca, Mg, Al, Si, Mn, Cu, Pb, Cd, Cr, Ni, Zn, As, etc.) Instrumentation: ICP-OES (major Fe + common impurities, ppm level) / ICP-MS (trace impurities, ppb level) 1. Method Overview ICP-OES (Inductively Coupled Plasma – Optical Emission Spectrometry): major Fe content + common impurities (0.001%–100%), fast and cost-effective ICP...
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