Diamond micro powder, as the name implies, refers to diamond particles with extremely fine granularity, smaller than 60 micrometers. This fine powder has wide-ranging applications in the industrial field. Its unique physical and chemical properties make it play a crucial role in many scenarios.
Used as Abrasive
Diamond micro powder, with its exceptional grinding capability, plays a key role in the industrial, scientific, and medical fields. Its grinding efficiency surpasses cubic boron nitride, silicon carbide, and white corundum, making diamond micro powder an unparalleled super-hard abrasive. It is widely used in the fine grinding and polishing of various precision components, as well as in the manufacturing of resin-bonded tools, metal-bonded tools, and electroplated tools. Additionally, diamond micro powder is an indispensable fine abrasive in mold processing, gem polishing, and gemstone bearing manufacturing.
Application as Functional Material
Due to its unique thermal and electrical properties, diamond micro powder has become an essential raw material in the manufacturing of polycrystalline diamond sintered bodies. These sintered bodies are widely used in geology, oil drilling bits, cutting tools, and wire drawing dies. Furthermore, by mixing diamond micro powder with thermosetting resins, cellulose, phenolic resins, or ceramic sheets, a new type of material can be prepared. This material not only has enhanced thermal conductivity but also reduced thermal expansion.
Preparation of Nano Composite Structural Materials
By combining nano-sized diamonds with nano silicon powder, nano-ceramics, and various nano-metals, new types of nano structural materials can be created. These materials, with their unique properties, play an important role in the manufacturing of semiconductor devices, integrated circuit components, and micro-computer parts.
With the continuous advancement of technology, the application of diamond micro powder in many fields is becoming increasingly widespread. Its unique physical and chemical properties allow it to demonstrate excellent performance in cutting, grinding, and high-temperature heat treatment. In the future, with the further improvement of manufacturing processes and the ever-growing demand, diamond micro powder is expected to play its advantages in more fields and achieve broader applications.
Strict Particle Size Tolerance of Diamond Micro Powder
The particle size tolerance of diamond micro powder is strictly controlled, usually not exceeding ±1μm. In critical industrial fields, this strict control of particle size tolerance can effectively prevent technical problems caused by oversized particles.
Promoting the Development of Specialized Diamond Micro Powder
There are many types of diamond micro powder, each with its own unique characteristics. For example, monocrystalline particle diamond micro powder has complete crystals with a cubic octahedral shape. The multi-edged cutting surface provides excellent cutting ability and bonds tightly with metal binders. Its strength and anti-breakage ability stand out in high-temperature environments, showcasing sharp cutting effects and high surface finish in metal-bonded diamond products.
Another type of diamond micro powder is characterized by its brittleness. The particles are irregular quasi-rounded blocks with a rough but uneven surface. When stress is applied to the particles, their brittle nature causes them to fracture, creating new sharp cutting points. This type of diamond micro powder shines in the manufacturing of resin-bonded grinding wheels, showing gentle fine grinding and polishing effects.
In summary, with the booming development of the diamond tool manufacturing industry, the demand for diamond micro powder is also rapidly growing. At the same time, the advancement in tool manufacturing technology presents stricter challenges for the diamond micro powder industry. In the future, industry upgrades and the high-end specialization of products will be the inevitable trend for the development of diamond micro powder.
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