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In recent years, with the development of science and technology, nanotechnology has begun to be applied to all aspects of our lives, and the fields involved are also increasing. Especially when this emerging technology meets our traditional industry ceramics, the combination of the two improves the product added value of the ceramic industry. Alumina ceramics have a series of excellent characteris...
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Nano alumina powder is widely used in chemical industry, medicine, catalyst and its carrier, ceramics and other fields because of its special properties. 1. In the application of ceramics, precision ceramics made of nano-alumina powder have the plasticity and toughness similar to metal, light weight, and greatly improved strength. Adding a small amount of micron or nano-alumina into the convention...
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1.Mechanism of nano-alumina in Refractory The application of nanotechnology in Refractory is mainly the application of nano-alumina. Because of its small size and large proportion of surface atoms, nano-alumina has high surface energy, high activity, instability and easy to combine with other atoms. Nano-alumina is mainly used in amorphous Refractory and some special Refractory. Adding nano-alumin...
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The preparation of SEM nano powder samples usually requires the following steps: Sample preparation Firstly, it is necessary to choose an appropriate sample preparation method. Usually there are physical methods, chemical methods, biological methods, mechanical methods, etc. Among them, the most common methods are magnetron sputtering, chemical reduction, aerosol, etc. Sample dispersion It is also...
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The measurement deviation of particle size analyzer is influenced by various factors, and the following are some possible factors: The physical properties of the sample: The shape, size, density, and color of the sample can all affect the measurement deviation of the particle size analyzer. Measurement environment: Measuring environmental factors such as temperature, humidity, and pressure may lea...
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Ultrafine nano powder is an important product of the development of modern science and technology, which is widely used in such fields as electronic products, biomedicine and so on. The particle size of ultra-fine nano powder has an important impact on its performance, so the development of particle size detection technology of ultra-fine nano powder has also become a hot topic. As a company speci...
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Nano powder has various applications in modern industry. One of them is added to printing inks and coatings to provide UV resistance. Because of its very small size and high specific surface area, nano powder can bring remarkable effect in a very small amount. So, what nano powders can be added to printing inks and coatings to play the role of UV resistance? This article will provide you with a br...
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What are the surface modification methods for alumina powder? Aluminum oxide, a common material, is commonly used in the production of ceramics, coatings, catalysts, etc. However, in some applications, such as filling composite materials or preparing high-performance catalysts, surface modification of alumina is required to improve its performance and stability. This article will discuss the surfa...
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Carbon nanotubes (CNTs) reinforced aluminum composites with unique intragranular dispersion were obtained using ultra short carbon nanotubes, and nanoscale carbon nanotubes were uniformly distributed within ultrafine aluminum grains. Compared with typical CNT/Al composite materials with intergranular carbon nanotube dispersion, this intragranular carbon nanotube/aluminum composite material has str...
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Nickel based high-temperature alloy powder are a type of metal material specially designed to withstand high temperature, high pressure, and corrosive environments, and are very suitable for use under extreme conditions. They are mainly composed of nickel, chromium, and iron, and elements such as molybdenum, cobalt, niobium, titanium, and aluminum are often added to enhance their performance. Clas...
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The preparation method is one of the key factors affecting the specific surface area of oxide powders. Different preparation methods can lead to differences in the size, shape, and porosity of powder particles, thereby affecting their specific surface area. For example, the sol gel method can prepare oxide powders with high specific surface area, uniform particle size and fine size; The co precipi...
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1. Classification of Scanning Electron Microscopes Scanning electron microscopy can be divided into thermal electron emission type and field emission type according to the different ways of electron generation. The filament used for thermal electron emission type is mainly tungsten filament electron microscopy. Field emission type The distinction between hot field emission and cold field emission....
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