As the name implies, high-performance composite is a kind of composite with high performance. High-performance composite is a kind of composite material with high-performance reinforcement, high-performance resin and other matrices, which has significantly improved the mechanical properties and heat resistance. For example, when it is used for physical properties, the requirements are extremely high (specific elongation strength) 4x 1 (lhcm, specific modulus of elasticity 4 x L (1}). The composite material with good heat resistance, small density, corrosion resistance and damage resistance is easy to form. We should also know more about composite materials here. Composite material, also known as high-performance composite material, is a new material that people use advanced material preparation technology to optimize the combination of different material components. The matrix materials of composite materials are divided into metal and non-metal. Aluminum, magnesium, copper, titanium and their alloys are commonly used in metal matrix. The non-metallic matrix mainly includes synthetic resin, rubber, ceramics, graphite, carbon, etc. The reinforced materials mainly include glass fiber, carbon fiber, boron fiber, aramid fiber, silicon carbide fiber, asbestos fiber, whisker and metal.
At present, new carbon fiber materials have entered a period of rapid expansion. In the future, aerospace, oil and gas development, automobile, electronics and other fields will drive the demand for carbon fiber materials to increase significantly. It is understood that Japan, the United States, Germany and other countries have a high concentration of technological monopoly, and key links such as raw silk and carbonization are controlled by Japan and the United States. Among them, the production of small tow carbon fiber is basically controlled by Japanese enterprises, with a market share of about 70%, while the production of large tow is mainly controlled by some companies of the United States, Germany and Japan, with a market share of about 80%.
Like the "technical barriers" faced by other new materials, since 2000, the Chinese government has invested special funds to promote the research and development of carbon fiber technology. At present, a few domestic carbon fiber products developed by independent technology have reached the international level of similar products, but the nationalization rate of China's carbon fiber products is still low.
Resin matrix composite is a kind of composite material, which is based on organic polymer and added with corresponding fiber reinforcement, also known as fiber-reinforced plastics.
Single material is the most commonly used material in daily life, no matter organic or inorganic. With the continuous innovation of science and technology, people have higher and higher requirements for material properties. Therefore, the emergence of composite materials has been greatly welcomed by the market.
Source: China Chemical daily
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