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Introduction of Diamond
March 01, 2023
What is diamond? Diamond (mineral composed of pure carbon) in the simplest thing is the hardest material in nature in nature. His main component is graphite. The graphite can form diamonds under high temperature and high pressure. The characteristics of diamond Diamond is the hardest material found in nature at present, so it is very widely used in modern industry and life, such as industrial products, crafts, and cutting tools. Natural diamonds are also precious gems. Artificial diamonds are artificial synthesis. It is more suitable for applications to industry, saving costs, good quality artificial diamond purity is even higher than natural diamonds. Products made of diamond stone As the hardest substance, diamond is brought great benefits by all industrial processing. People use diamond hardness characteristics to make different products, such as: diamond sand wheel, diamond blade, brushed diamond, diamond beef, abrasive diamond stone, and abrasive diamond stone, revisor diamond. Applications Make a resin -binding agent abrasive or grinding. Manufacturing metal binding agent grinders, ceramic binding agent grinders or grinding. Manufacture general strata geological drilling drills, semiconductors and non -metallic material cutting and processing tools. Manufacture hard ground geological drills, correction tools and non -metallic hard brittle materials processing tools. Resin, ceramic binding...
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The Performance of Cubic Boron Nitride
February 22, 2023
The performance of cubic boron nitride (referred to as CBN) is similar to the performance of diamonds, and some performance (such as thermal stability) is better than diamond. Therefore, it has the same application as diamond. Hardness The hardness of the substance is related to the atomic spacing of the composition lattice, and as the atomic spacing decreases, the crystal hardness increases. The CBN is 1.57, and the shortest distance between diamond atoms is 1.5. Therefore, the hardness of CBN (microscopic hardness 71.54GPa) is slightly lower than diamond, but it is compared to the other two major abrasive silicon carbide (micro hardness 25.48 ~ 35.28 GPA) and alumina (micro-hardness 17.64 ~ 27.44GPa) are much higher. The hardness of CBN single crystal in the direction of [100] is used to use Nu’s hardness meter to be 4600kg/mm2, while diamonds are 10000kg/mm2; CBN single crystals are 3200kg/mm2 in the [110] direction, while diamonds are 7000kg/mm2, and diamonds are 7000kg/mm2. This shows that the hardness of CBN is the opposite sex, and its hardness is slightly lower than diamond. Heat conductivity Cube boron nitride has a good thermal conductivity. Its thermal conductivity (79.54W/m﹒k). Although it can’t keep up with diamond (146.5 W/m﹒k), it...
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Cube Boron Nitride Application
February 16, 2023
Due to the excellent performance of cubic boron nitride, it can play a very important role in the field of material processing. At present, cubic boron nitride is mainly used as abrasive materials and tool materials. Cubic boron nitride application Used as abrasive materials. Small particles of cubic boron nitride single crystals are mainly used as abrasive materials. Cube boron nitride grinding gear is used to bond the cubic boron nitride abrasives into products with a certain geometric shape with the role of a binding agent. Life can be divided into four categories: metal binding agent CBN mill, resin binding agent CBN abrasive gear, electroplating binding agent CBN abrasive gear, and ceramic binding agent CBN mill. Cube-nitride grinding tools are mainly used for grinding processing, which can be used for machining of iron-based materials and processing of non -iron metal materials. The application range in the field of metal material processing is wider than diamond grinders. Cube -nitride grinding tools have good grinding performance for black metals, especially high hardness, high toughness, high strength and low heat conduction rate at high temperature, and their metal abrasion rate is 10 times that of diamond. Cube -nitride grinding tools are used for...
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Basic Introduction of Metal powder
February 10, 2023
Metal powder is the basis for achieving large-scale production of non-standard metallurgical products. Metal powder refers to the metal particles with a size of less than 1mm, which is the main raw material for powder metallurgy. The small particle scale is in the range of 1nm-1mm, and 1nm is slightly equal to the length of 45 atomic arrangement. Metal powder is a loose substance, and its properties comprehensively reflect the nature of the metal itself and the characteristics of a single particle and the characteristics of granularity. The performance of metal powder can generally be divided into chemical properties, physical properties and process performance. Chemical properties refer to the metal content and impurities. The more metal content, the higher the purity of the metal powder, and the better chemical properties; the physical properties include the average granularity and particle size distribution of the powder, the shape, surface shape, and internal shape of the particles, and the internal shape, and the internal appearance. The micro-structure, the thinner the particle size of the metal powder, the larger the surface area, the advantages of good sintering activity, high molding density, and low vortex loss, which will improve the mechanical performance of components. High-power...
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Baisc Introduction of Metal powder
February 01, 2023
The preparation and application of metal powder has a long history. In ancient times, gold, silver, copper, bronze and some oxide powder were used as color and decorative coatings for pottery, jewelry and other utensils. Metal powder is a loose substance, which comprehensively reflects the nature of the metal itself, the nature of a single particle, and the characteristics of the granularity. The performance of metal powder is generally divided into chemical properties, physical properties and process performance. Chemical properties refer to metal content and impurities. The physical properties include the average particle size and particle size distribution of the powder, the surface and real density of the powder, the shape, surface shape, and internal micro structure of the particle. Processing performance is a comprehensive performance, including powder liquidity, accumulation density, vibration density, compression, moldability, and sintering dimensions. In addition, for some special purposes, powder also requires powder to have other chemical and physical properties, such as catalytic performance, electrochemical activity, corrosion resistance, electromagnetic properties, internal friction coefficients, etc. Preparation of metal powder Restoration method: Oxygen in metal oxide powder is captured by the restoring agent, and metal is restored to powder. Atomization method: The foaming metal atomized into a...
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The Application of Cube Boron nitride
January 10, 2023
Due to the excellent performance of cubic boron nitride, it can play a very important role in the field of material processing. At present, cubic boron nitride is mainly used as abrasive materials and tool materials. 1.Used as abrasive materials. Small particles of cubic boron nitride single crystals are mainly used as abrasive materials. Cube boron nitride grinding gear is used to bond the cubic boron nitride abrasives into products with a certain geometric shape with the role of a binding agent. Life can be divided into four categories: metal binding agent CBN mill, resin binding agent CBN abrasive gear, electroplating binding agent CBN abrasive gear, and ceramic binding agent CBN mill. Cube-nitride grinding tools are mainly used for grinding processing, which can be used for machining of iron -based materials and processing of non -iron metal materials. The application range in the field of metal material processing is wider than diamond grinders. Cube -nitride grinding tools have good grinding performance for black metals, especially high hardness, high toughness, high strength and low heat conduction rate at high temperature, and their metal abrasion rate is 10 times that of diamond. Cube -nitride grinding tools are used for high -speed efficient...
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Introduction and Application of Synthetic Diamond
August 01, 2022
Diamond is a mineral composed of pure carbon and the hardest substance in nature. Since it was confirmed that diamond is composed of pure carbon in the 18th century, people began to study synthetic di
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Basic Introduction of the Usage of Synthetic Diamond
July 29, 2022
According to their usages, synthetic diamonds can be roughly divided into two categories, gem-grade (decorative) diamonds and industrial-grade diamonds.Gem-quality diamonds are mainly used for making
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