Wear resistance means being able to withstand friction.Volume 8 of the Dajijing: "The pure pearl is wear-resistant, so the pearl is called Impeccable." For example, wear-resistant cast iron.
Wear-resistant materialWith a wide range of types and uses, it is forming a large-scale high-tech industrial cluster, which has a very broad market prospect and extremely important strategic significance.Wear resistant materials can be divided intoMicroelectronic materials、Optoelectronic material、Sensor material, information materialsBiomedical materials、Eco environmental materials、Energy materialsAnd smart (intelligent) materials.Since we have classified electronic information materials separatelyNew materialsTherefore, the new wear-resistant materials mentioned here are the main wear-resistant materials besides electronic information materials.
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Wear resistant materials are the core of the field of new materials and play an important role in promoting and supporting the development of high-tech. In the field of global new materials research, wear resistant materials account for about 85%.With the arrival of the information society, special wear-resistant materials play an important role in promoting and supporting the development of high-tech. They are key materials in the fields of information, biology, energy, environmental protection, space and other high-tech fields in the 21st century, become the focus of research and development in the field of new materials around the world, and also the focus of strategic competition in high-tech development around the world.
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In view of the important position of wear-resistant materials, all countries in the world attach great importance to the research of wear-resistant material technology.In 1989, more than 200 scientists in the United States wrote the report "Materials Science and Materials Engineering in the 1990s", suggesting that 5 of the 6 types of materials supported by the government belong to wear-resistant materials.From 1995 to 2001, the National Key Technology Report of the United States, which was updated every two years, showed that special wear-resistant materials and product technologies accounted for a large proportion.In 2001, the seventh research report on technology prediction issued by the Science and Technology Policy Research Institute of the Ministry of Education, Culture, Science and Technology of Japan listed 100 important topics that will affect the future. More than half of the topics are new materials or rely on the development of new materials, and most of them are wear-resistant materials.european unionIn their latest scientific and technological development plans, such as the Sixth Framework Plan of ROK and the National Plan of ROK, wear-resistant material technology is listed as one of the key technologies for key support.All countries attach great importance to the prominent role of wear-resistant materials in developing their national economy, safeguarding national security, improving people's health and improving people's quality of life.
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Classification of wear-resistant products
From the perspective of application range, wear-resistant products can be divided into two parts: surface wear-resistant and mechanical wear-resistant.Widely used in metallurgical mines, cement building materials, thermal power generation, flue gas desulfurizationmagnetic material , chemical industry, coal water slurry, pellet, slag, ultra-fine powder, fly ash, calcium carbonate, quartz sand and other industries ball mill.
