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Graphite material has the characteristics of light weight, high temperature resistance and ablation resistance. It is the preferred material for the solid rocket motor (SRM) of small rocket, graphite nozzle. As early as 1947, the United States launched solid rocketsonde successfully using graphite throat liner, after gradually developed with ATJ as the representative of the first generation of high strength graphite throat liner material with high density and high strength graphite, G90 as the representative of the second generation of throat liner materials 1 - 2, with Graphnol of isotropic graphite as the representative of the third generation of throat liner material 3. At the beginning of 1960s, the research and development of SRM throat liner material with graphite and…
The electrode material is mainly divided into metal electrode and carbon electrode, wherein the carbon electrode with good stability reflects the greater advantage, and the carbon electrode, graphite felt materials with its advantages of real surface area is much larger than the geometric surface area and occupies the dominant position. The graphite felt were activated by concentrated sulfuric acid by liquid phase oxidation and air oxidation method, that can greatly improve the electrochemical performance of vanadium battery. The thermal oxidation method has simple process, low consumption, but the operation elasticity is small, not easy to control. The oxidation reaction reagent with concentrated sulfuric acid oxidation method is very dangerous, industrialized production difficult. And the electrochemical oxidation method, the oxidation reaction…
In the aluminum and aluminum alloy casting process, the degassing method consists of two ways , they are intermittent degassing and continuous on-line degassing, but either way, the degassing rotor are essential components of equipment to passing into the gas and rotating stirring. Graphite material is the preferred material for the production of the rotor because it has the high temperature resistance, oxidation resistance, high strength, and the material properties which does not infiltrate into the aluminum melt in the production, the graphite rotor is the rotor which is made from the graphite material. The graphite rotor produced by our company has the following advantages: The high quality raw materials: our graphite rotor use the special graphite raw materials which…
