The application prospects of carbon fiber composites in the automotive field are optimistic
According to relevant information, BMW will use CFRP (Carbon Fiber Reinforced Plastic) carbon fiber composite materials in its i3 production car in 2013, and its choice is a slightly lower grade industrial-grade CFRP material, and the cost can be controlled by traditional carbon fiber materials. About half of it.
2021-07-09
View Details09
2021/07
The application prospects of carbon fiber composites in the automotive field are optimistic
According to relevant information, BMW will use CFRP (Carbon Fiber Reinforced Plastic) carbon fiber composite materials in its i3 production car in 2013, and its choice is a slightly lower grade industrial-grade CFRP material, and the cost can be controlled by traditional carbon fiber materials. About half of it.
09
2021/07
Rapid growth in demand, the era of carbon fiber is coming
As a fibrous carbon material, carbon fiber has a carbon content of more than 90%. The material is black, hard, and has the characteristics of high strength and light weight. The specific gravity of carbon fiber is less than 1/4 of that of steel. The tensile strength of carbon fiber resin composites is generally above 35,000 MPa (MPa), which is 7.9 times that of steel. The tensile modulus of elasticity is 230,000-430,000 MPa, which is higher than that of steel.
09
2021/07
Application areas of tungsten carbide
It is widely used as high-speed cutting tools, kiln structure materials, jet engine parts, cermet materials, resistance heating elements, etc.
09
2021/07
Application fields of molybdenum carbide
From the perspective of the global consumption structure, molybdenum is indeed an ally of iron. 80% of the demand for molybdenum in western developed countries comes from steel, stainless steel absorbs 30% of molybdenum, low-alloy steel absorbs 30%, drill bits and cutting tools account for 10%, and cast steel accounts for 10%. Another 20% of molybdenum consumption is in molybdenum chemicals, molybdenum-based lubricants and petroleum refining. Quite typically, the proportion of molybdenum consumption in steel production in the United States in 1998 was 75%.
09
2021/07
Physical and chemical properties of vanadium carbide
Black cubic crystals. The melting point is 2810°C, the boiling point is 3900°C, and the relative density is 5.77. Slightly harder than quartz. It can be made by reducing vanadium pentoxide with coke. Mainly used in the manufacture of vanadium steel. It can be used as an additive for carbide cemented carbide.
09
2021/07
The chemical properties of zirconium carbide
Dark gray cubic crystals with metallic luster. Brittle. The melting point is 3540°C. The boiling point is 5100°C. The apparent density is 6.70 g/cm3. Mohs hardness 8-9. Insoluble in cold water and hydrochloric acid. It is soluble in hydrofluoric acid and hot concentrated sulfuric acid containing nitric acid or hydrogen peroxide. It reacts with chlorine at high temperature to produce zirconium tetrachloride. At 700°C, it burns in the air to produce zirconia. Does not react with water.
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