the role of ferrosilicon nitride
1. Improve high temperature resistance
Ferrosilicon nitride has good high temperature resistance, and when added to refractory materials, it can effectively improve the high temperature strength and stability of the material, making it not easy to ablate and melt in a high temperature environment. This makes ferrosilicon nitride a common high-temperature refractory additive.
2. Improves antioxidant properties
When ferrosilicon nitride reacts with oxygen, it produces SiO2, which absorbs part of the oxygen and thus inhibits excessive oxidation. In addition, ferrosilicon nitride can also prevent the crystallization growth of metal atoms at high temperatures, thereby improving the oxidation resistance of the material.
3. Enhance corrosion resistance
Ferrosilicon nitride is able to interact with other oxides within the refractory material to form specific compounds, thereby changing the composition and structure of the overall material and enhancing corrosion resistance. This makes ferrosilicon nitride excellent in some corrosive environments, such as applications in steel melting and smelting.
Application of ferrosilicon nitride
Ferrosilicon nitride is widely used in refractory materials, and can be used in high-temperature occasions such as high-temperature kilns, stoves, and bricks. For example, adding ferrosilicon nitride to the furnace wall of a steel mill can improve the high temperature resistance of the furnace wall and extend the service life of the furnace wall. In addition, ferrosilicon nitride can also be used to manufacture high-temperature alumina ceramics, grates and other refractory products.
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