Polycrystalline cubic boron nitride (PCBN) is based on cemented carbide, and a layer of cubic boron nitride (CBN) single crystal fine powder (0.5~1.6mm thick) is placed on it, and the binder is subjected to high temperature (1400~2600 ℃) and high pressure (7~9Gpa) to press the polycrystalline tool material. Due to the small particle size of […]
CBN is synthesized from hexagonal boron nitride and a catalyst under high temperature and pressure, and its properties are similar to those of synthetic diamond, and some properties (such as thermal stability) are better than diamond. It has high hardness, thermal stability and chemical inertness, as well as excellent infrared transmittance and wide forbidden band […]
1. Monocrystalline and polycrystalline silicon Silicon is a hard and brittle material with a Mohs hardness of 6.5 and can be made into polycrystalline silicon and single crystal silicon according to the application. Monocrystalline silicon is a relatively active non-metallic element. This crystal has a basically complete lattice structure and is a good semiconductor material […]
1. Sapphire Processing Process 1.1 Sapphire Substrate Wafer Process From the sapphire ingot to the final substrate sapphire wafer, it mainly includes the following steps: crystal growth → crystal pulling → head and tail truncation → rolling grinding → crystal rod orientation → slicing → chamfering and edge grinding → rough and fine grinding → […]
Superabrasives have always been called “industrial teeth” in the field of industrial production, and are used in the manufacture, grinding, grinding and polishing of almost all industrial products. This article summarizes the important manufacturers and suppliers of Chinese superabrasives industry in detail, so that everyone can have more understanding of the synthetic diamond powder and […]
According to the characteristics and processing requirements of hard and brittle materials, the round micron diamond powder was produced by a special shaping process to round and roughen the particles to ensure that each particle is perfectly round and regular without prominent edges and corners. The rough surface of diamond particles significantly enhances the holding […]
Abstract: The bond strength of binder and diamond grits in metal-based diamond tools, the state of diamond cutting edge, and the performance and life of diamond tools have important influences. The bond strength between the bond and the diamond grits in the metal-based diamond tool has an important influence on the state of the diamond […]
Superabrasive grinding wheels made of diamond powder or cubic boron nitride (CBN) have been widely used in various aspects of the grinding field because of their excellent grinding performance. The diamond grinding wheel is a high-performance tool for grinding hard alloy, glass, ceramics, gems and other high-hard and brittle materials. In recent years, with the […]
I.Cultivation method of Lab-Grown Diamond Lab-grown diamond refers to the appearance, chemical composition and crystal structure of natural diamond crystal made in a laboratory or factory through certain technology and process. It is a polycrystalline diamond polymerized from diamond crystals 10 to 30 nanometers in diameter. Synthetic diamond has a history of sixty or seventy […]
Generally, powdery materials with a particle size of fewer than 54 microns are called micro powder, and those with a particle diameter of fewer than 5 microns are called fine powders. The particles larger than 3.5 microns were separated by the sedimentation method, and the mixture smaller than 3.5 microns was separated by a centrifugal […]