FeNi50 metal powder is a medium to high nickel iron-based alloy powder based on the iron nickel binary system with a nickel content of about 50 wt.%. Its typical characteristics include stable austenite structure, excellent thermal expansion matching ability, good toughness, and adjustable magnetic properties. In the material system, FeNi50 is between low nickel structural alloys and high nickel I...
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1. Intrinsic Color: Black Bulk (micron-scale) pure Fe3O4(Magnetite) appears deep black under visible light. Reason: Fe3O4 is a narrow-bandgap semiconductor (bandgap ≈0.1≈0.1 eV), which absorbs light across the entire visible spectrum with virtually no reflection, resulting in a pure black appearance. Industrial products: Larger-particle Fe3O4powders (micron-scale...
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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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