Diamond composite sheets are produced by sintering diamond micropowder with cemented carbide under high temperature and high pressure, forming a unique composite material that combines the properties of both components. These sheets not only inherit the mechanical strength and durability of traditional cemented carbides but also incorporate the exceptional hardness and wear resistance of diamond. As a result, they have become essential in various high-performance applications such as oil and gas drilling, geological exploration, coal mining, and machining tools, significantly enhancing productivity and efficiency.
Today, diamond composite sheets have entered mass production, with standardized specifications and a wide range of options available. Continuous improvements in synthesis technology have led to stronger interfacial bonding, more uniform polycrystalline diamond layers, and enhanced thermal stability, wear resistance, and impact toughness. With the expansion of synthetic presses and increasing pressure levels, along with the development of new high-efficiency catalysts and advanced manufacturing techniques, diamond composite sheets are entering a phase of rapid growth. This progress is driven by the growing demand across multiple industries, and future developments will focus on several key areas:
1. Increasing the thickness of the polycrystalline diamond layer to extend product lifespan.
2. Refining diamond grain size to improve overall performance, including wear and impact resistance.
3. Enhancing the synthesis process to reduce performance variability across different regions of the sheet.
4. Expanding the diameter of the composite sheets to improve cutting blade utilization efficiency.
5. Optimizing the interface structure through groove design and other modifications to minimize residual stress and stress concentration.
Henan Sifangda Superhard Materials Co., Ltd. specializes in producing diamond composite products for the oil and gas industry, coalfield mining, and cutting tool applications. Their PR series of diamond composite sheets used in oil and gas drill bits are made from high-quality diamond micropowder and utilize advanced production and testing technologies, ensuring excellent wear and impact resistance. These products are highly praised by customers for their reliability and performance.
The coalfield and mine diamond composite sheets from Sifangda use a new type of high-efficiency catalyst and optimized production methods, offering superior hardness, strong wear resistance, fast drilling speed, and cost-effectiveness. They are widely applied in geological exploration, coal mining, and drilling operations, proving to be a reliable and efficient choice for demanding environments.
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