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Home / News / Knowledge / Preparation Scheme for Cermet Polished Samples

Home / News / Knowledge / Preparation Scheme for Cermet Polished Samples

Preparation Scheme for Cermet Polished Samples

Cermet, also known as ceramic matrix composite, is a multiphase system composed of metals or alloys and one or more ceramic phases. This type of material integrates the excellent toughness and thermal conductivity of the metal phase with the high hardness, wear resistance and heat resistance of the ceramic phase, thus combining the advantages of both materials and overcoming the performance limitations of single materials.

Classified by the type of ceramic phase, cermets can be divided into oxide-based, carbide-based, nitride-based, boride-based and other types. They are usually prepared by powder metallurgy: metal powders and ceramic powders are fully mixed, pressed into shape, and then densified by high-temperature sintering.

With outstanding comprehensive properties, cermets are widely used in key components such as cemented carbide tools, jet engine combustion chamber liners, bearings, integrated circuit substrates and military composite armor. As preparation technology advances and understanding of microstructures deepens, cermets are expected to play a more important role in cutting-edge technology and industrial applications in the future.

  • Polishing Steps for Oxide-Carbide Ceramic Samples
  1. Rough grinding: P800 resin-bonded diamond grinding disc
  2. Fine grinding: POH + 9μm polycrystalline diamond
  3. Rough polishing: CS-JP + 3μm polycrystalline diamond
  4. Fine polishing: ZN-JP + 50nm silica

   

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