Special ceramics may become popular in the future ceramic market, achieving high-tech industry.
Dec 07,2018
New ceramics, due to their different chemical composition, microstructure, and properties compared to ordinary ceramics, are referred to as new ceramics or special ceramics. The different chemical compositions and organizational structures of new ceramics determine their unique properties and functions, such as high strength, high hardness, high toughness, corrosion resistance, conductivity, insulation, magnetism, light transmission, semiconductivity, as well as piezoelectric, optoelectronic, electro-optic, acousto-optic, and magneto-optic properties. Due to their special performance, these ceramics can be used as engineering structural materials and functional materials in fields such as machinery, electronics, chemical engineering, metallurgy, energy, medicine, lasers, nuclear reactions, and aerospace. Some economically developed countries, especially Japan and the United States.
New ceramics, due to their different chemical composition, microstructure, and properties compared to ordinary ceramics, are referred to as new ceramics or special ceramics. The different chemical compositions and organizational structures of new ceramics determine their unique properties and functions, such as high strength, high hardness, high toughness, corrosion resistance, conductivity, insulation, magnetism, light transmission, semiconductors, as well as piezoelectric, optoelectronic, electro-optic, acousto-optic, and magneto-optic properties.
Due to their special properties, these ceramics can be used as engineering structural materials and functional materials in fields such as machinery, electronics, chemical engineering, metallurgy, energy, medicine, lasers, nuclear reactions, and aerospace. Some economically developed countries, especially Japan, the United States, and Western European countries, have invested a large amount of human, material, and financial resources in the research and development of special ceramics to accelerate the new technological revolution and lay a material foundation for the development of new industries. Therefore, the development of new ceramics is very rapid, with significant breakthroughs in technology. The status of new ceramics in modern industrial technology, especially in high-tech and new technology fields, is becoming increasingly important.
New ceramics developed in the twentieth century have proliferated rapidly under the impetus and cultivation of modern production and scientific technology. Especially in the past two to three decades, new varieties have emerged one after another, dazzling people. Recently, ceramic fuel and high-temperature resistant graphite structural materials were used in the nuclear reactor of the nuclear power plant affected by the earthquake and tsunami in Fukushima, Japan. Who will be the most profitable new special ceramic in 2011? We shall see...
1. Oxide Ceramics
Alumina: It is one of the most widely used raw materials in new ceramic products, possessing a range of excellent properties. In addition, it is also an important raw material for high-temperature refractory materials, abrasives, grinding tools, laser materials, and alumina gemstones.
Zirconia: It is an important raw material for high-temperature structural ceramics, electronic ceramics, and refractory materials.
Titanium Dioxide: It is an important raw material for manufacturing capacitor ceramics, thermosensitive ceramics, and piezoelectric ceramics.
Beryllium Oxide: It is an important raw material for high thermal conductivity new ceramics.
Iron Trioxide: It is an important raw material for strong magnetic materials.
Tin Dioxide: Widely used in electronic ceramics.
Zinc Oxide: It can improve the mechanical and electrical properties of ceramic materials.
Nickel Oxide: Used in thermosensitive ceramics.
Lead Oxide: Mainly used as a raw material for synthesizing PbTiO3, Pb(Zr, Ti)O3, and Pb(Mg1/3, Nb2/3)O3 in new ceramics.
Niobium Pentoxide: It has a wide range of applications in the electronic ceramics industry, such as being used as a main raw material for manufacturing lead niobate low-temperature co-fired ceramic capacitors and lithium niobate single crystals, and can also serve as a modifying additive.
Manganese Oxides: Such as for making humidity sensors, overheat protectors, etc.
Chromium Oxide: Used in the formulation of gas-sensitive components and gas alarms.
Cobalt Oxide: Applied in concentrator materials and other areas.
2. Nitride Ceramics
Boron Nitride: It has high heat resistance, thermal shock resistance, and high-temperature strength, and can be processed into various shapes, making it widely used as a processing material for various molten bodies. Boron nitride powder and products have good lubricating properties and can be used as fillers for metals and ceramics, making bearings. Additionally, it is the lightest material among ceramic materials, making it very advantageous for use in flight and structural materials.
Aluminum Nitride: It has excellent electrical insulation and dielectric properties.
Silicon Nitride: Its products can withstand the erosion of various non-metallic solutions and can be used as crucibles, thermocouple protection tubes, furnace materials, or linings for metal smelting furnaces or heat treatment. It is also an insulator and dielectric, applicable in integrated circuits. Furthermore, silicon nitride has high hardness and can be used as an abrasive material, with great thermal shock resistance, making it suitable for manufacturing rocket nozzles and turbine blades.
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With the development of modern high-tech, advanced ceramics have gradually become an important component of new materials, serving as a key material for the development of many high-tech fields, attracting significant attention from industrially developed countries. Its development also greatly influences the progress of other industries. Due to the specific fine structure of advanced ceramics and their excellent properties such as high strength, high hardness, wear resistance, corrosion resistance, high temperature resistance, conductivity, insulation, magnetism, light transmission, semiconductivity, piezoelectricity, ferroelectricity, acousto-optics, superconductivity, and biocompatibility, they are widely used in national defense, chemical industry, metallurgy, electronics, machinery, aviation, aerospace, and biomedical fields.
The demand for special ceramics in our country is huge.
Ceramic products are becoming increasingly diverse, and porcelain flutes have gained popularity among young people. In the past 20 years, the research and production of special ceramics in our country have made significant progress, but in terms of practical application, production levels, and degree of industrialization, we still lag far behind developed countries. At the International High-Tech Ceramic Expo in Jingdezhen, experts predict that by 2010 and 2015, the output value of special ceramics in our country will reach 30 billion and 45 billion yuan, respectively, indicating a huge market demand. Our country has abundant special ceramic resources and strong research capabilities. As of 2002, universities, research institutes, and production enterprises engaged in the development and research of special ceramics in our country have already...
Special ceramics may become popular in the future ceramic market, achieving high-tech industry.
New ceramics, due to their different chemical composition, microstructure, and properties compared to ordinary ceramics, are referred to as new ceramics or special ceramics. The different chemical compositions and organizational structures of new ceramics determine their unique properties and functions, such as high strength, high hardness, high toughness, corrosion resistance, conductivity, insulation, magnetism, light transmission, semiconductivity, as well as piezoelectric, optoelectronic, electro-optic, acousto-optic, and magneto-optic properties. Due to their special performance, these ceramics can be used as engineering structural materials and functional materials in fields such as machinery, electronics, chemical engineering, metallurgy, energy, medicine, lasers, nuclear reactions, and aerospace. Some economically developed countries, especially Japan and the United States.
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