2022-11-23
2022-11-19Silicon carbide is widely used in industry and plays an important role. Silicon carbide can also be used as an abrasive, so the quality of silicon carbide particles is particularly important. We want to test its quality, so how to test its quality?Before proceeding to the analysis, the first thing we need to understand is that the abrasive is not only composed of particles of one shape, but only depends on the percentage of that shape. When analyzing the shape of abrasive grains, it can also be seen that the edges of the abrasive grain surface have characteristics such as smoothness, sharpness, rounded corners, straight lines, serrations, and cracks.Impurities are often mixed into the grinding powder. One is the components contained in the abrasive grains themselves, which are mainly formed during the smelting of raw materials, such as iron oxide, silicon dioxide, chromium oxide, and sodium oxide. Another kind of impurity is dissociated between particles, mainly iron filings and dust
2022-11-22Graphite has a wide range of applications, and many products in our lives are inseparable from its role. We have also learned some basic knowledge of graphite before, and have a simple understanding of its application fields. We know very little about graphite. Only with more knowledge about the product can we apply it better in the future. The following is the graphite knowledge introduced by graphite manufacturers.Due to its stable chemical properties, high thermal conductivity, low thermal expansion coefficient, and good wear resistance, graphite has many other uses besides abrasives. It is an excellent deoxidizer and can accelerate refining. The tapping speed is fast, the chemical composition is easy to control, and the quality of the steel is improved. Graphite powder is coated on the inner wall of the turbine impeller or cylinder through a special process, which can improve its wear resistance and prolong its service life. Furthermore, graphite is a semiconductor due to its high
2022-11-22Graphite occupies an important position in the industry, and because of its good performance, graphite is widely used in many industries, and its use effect is good, so it is loved by users. Some basic knowledge of graphite must be known to everyone. The following is the development history of graphite. Presumably very few people know this. So today, let us take a closer look. The following is the introduction made by graphite manufacturers.Graphite is a kind of carbide accidentally discovered in the laboratory by Acheson of the United States in 1891 when he was conducting molten diamond experiments. At that time, it was mistaken for a mixture of diamonds, so it was named emery. The industrial method of smelting graphite, also known as the Acheson furnace, is still in use today. The electric resistance furnace with carbonaceous material as the furnace core generates graphite by heating the mixture of quartz SIO2 and carbon.Several events about graphiteGraphite was first discovered in
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