Cermet

Metal ceramics

Metal ceramics is a kind of composite material which is made up of metal and ceramic materials. As a kind of composite material with excellent performance, metal ceramics has attracted much attention due to its excellent characteristics such as low thermal expansion coefficient, high hardness, high strength, good wear resistance and corrosion resistance. It has become an important raw material for making high-performance components.

The development of metal ceramics is mainly driven by two aspects. First, in the development of modern science and technology, the application of metal-ceramic composites tends to move towards the direction of high temperature and high pressure. With the development of modern industry technology, the service environment of components has become more and more harsh, so the requirements for physical properties of components have become higher and higher. Metal ceramics have excellent physical properties in these harsh working environments, and its application has become more and more widespread.

Second, the improvement of modern production technology has also promoted the development of metal-ceramics. With the development of industrial technology, the production process of metal ceramics has become more and more mature. In the past, metal ceramics were mainly hot-pressed sintered in high temperature and vacuum. Nowadays, with the development of infiltration technology, it has become possible to produce metal ceramics at ordinary temperatures. The infiltration technology not only improves the manufacturing process of metal ceramics, but also reduces the production cost.

At present, metal ceramics are mainly used in aerospace, automotive, medical and other fields. In the aerospace industry, metal ceramics are mainly used to make rocket nozzles, blades, high temperature containers and other components due to its excellent thermal conductivity and corrosion resistance. In the automotive industry, metal ceramics can be used to make camshafts, clutch plates, steering knobs and other components, so as to reduce the fuel consumption of vehicles and improve the performance of vehicles. In the medical industry, metal ceramics can also be used to make artificial organs, implants and dental materials.

In conclusion, metal ceramics is a kind of composite material with excellent properties. It has been widely used in the aerospace, automotive and medical industries due to its excellent characteristics such as low thermal expansion coefficient, high hardness, high strength, good wear resistance and corrosion resistance. With the development of production and application technologies, metal ceramics will be more and more widely used in the future.

Metal and ceramics have been widely used in our daily life, such as in the automotive industry and airplane industry, due to their excellent performance of strength and durability.

Metals are mainly composed of iron and or aluminum, which not only have good mechanical properties, but also excellent electrical, thermal and chemical properties. The main advantage of metals is the excellent strength and load-carrying capacity, which makes them suitable for use in many industrial applications. Besides, their thermal conductivity is also relatively high, which makes it suitable for use in many thermal application.

However, metals also have some shortcomings: their corrosion resistance is not very good, and they require special treatments to improve their corrosion resistance. Moreover, their performance when exposed to extreme temperatures is not very good.

Ceramics are mainly made of alumina, zirconia, silica and other materials. They have excellent properties such as high hardness and brittleness. Besides, they can show high electrical insulators and thermal conducting capacity.

Ceramics offer outstanding strength and hardness, which make them suitable for highly demanding applications in fields such as automotive, aerospace and energy. In addition, they have outstanding thermal and electrical stability and excellent wear and chemical resistance.

Therefore, both metals and ceramics have unique advantages compared with other materials. Depending on the application, one can choose either of them to ensure the quality and performance of the components.