Alumina fibres have lower thermal conductivity and heat capacity. The temperature of long-term usage is higher than that of ordinary aluminum silicate (1000 1100 degC). It can be used with acidic atmospheres, oxidizing atmospherics, reducing atmospherics and vacuum. It is also resistant to corrosion when used in alkaline environments, but can be easily eroded by vanadium and lead pentoxide. This type of fiber is used primarily in steel industry as a heat insulation for furnaces such as ceramic firing kilns. Pyrolysis furnaces and combustion furnaces. In batch operation, this furnace can increase output to a great extent. Alumina can be used to transport catalysts in the chemical industry. Insulation material for nuclear reactors or space shuttles. Light alloy reinforcements. The industrial high-temperature field has a significant energy saving effect. The alumina fiber short has a high temperature resistance and is used primarily as a heat insulating refractory and as a material used to line a high-temperature metallurgical or ceramic sintering kiln. Low density. Its low density and good heat insulation can help reduce the quality and size of the furnace. This can also increase the precision in temperature control and improve energy efficiency. The energy saving effect of alumina fibre in high temperature furnace is superior to that of ordinary brick or high temperature coating. The energy saving is greater than heat loss. This is because not only does the heat loss decrease, but also that the furnace gases are strengthened. Convective Heat Transfer, so the furnace wall gets more heat and then transferred to the material via the national emblem.

Highlights on environmental protection and recycle applications
Alumina fibres are used to protect the environment and recycle technologies because of their chemical resistance. The alumina fiber, for example, can still be used to line the exhaust gas equipment of automobiles after it has been burned. This is because the fiber exhibits excellent corrosion resistance. Aluminum alloy plugging can be made with Saffil fiber alumina. It expands less when the temperature increases, approximately 25% less than pure aluminum, which helps the piston and the cylinder to match well, and saves fuel.

Benefits of a composite material with improved performance
Alumina fibers and metal matrix composites have improved mechanical properties and wear resistance. They also reduce the coefficient of thermal expansion. The use of alumina-fiber reinforced metal matrix composites has been found in automotive piston grooves, rotary gas compressors blades, and other applications. The alumina composite material, which is very well bonded with the resin matrix and has greater compressive strength than carbon fiber but less elasticity, is replacing both glass fiber and carbon fibre in many fields. In the stationery industry, the material can be transformed into fishing rods in various colors, golf ball, snowboards or tennis rackets.

The Alumina Long Fiber Reinforced Metal Matrix Composites are mainly applied to high-load mechanical components and high-temperature, high-speed rotating elements as well high-function components with low weight requirements. These include automotive connecting rods or transmission rods as brake pads, and other parts, and helicopter transmissions. Device, etc. Recently, researchers began using it as a lining for thermonuclear heat exchangers that cool the reactors.
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