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What are the new nanomaterials?

Edit: Ccdanni 2020-01-30 Mobile

  What are the nanomaterials

  Nanomaterials can be roughly divided into four categories: nanopowder, nanofiber, nanofilm, and nanoblock. Among them, nano powder has the longest development time and the most mature technology, which is the basis for the production of other three types of products.

  Nanoceramics

  The nano-ceramic materials developed by nano-technology use nano-powder to modify the existing ceramics. By adding or generating nano-scale particles, whiskers, wafer fibers, etc. to the ceramics, the crystal grains, grain boundaries and the The combination has reached the nanometer level, which greatly improves the strength, toughness and superplasticity of the material. It overcomes many shortcomings of engineering ceramics, and has an important impact on the mechanical, electrical, thermal, magneto-optical properties of materials. It opens up new fields for the application of engineering ceramics.

  With the wide application of nanotechnology, nanoceramics have been produced. It is hoped to overcome the brittleness of ceramic materials and make ceramics as flexible and processable as metal.

  British material scientist Cahn pointed out that nano-ceramics are a strategic way to solve ceramic brittleness. Nano high temperature resistant ceramic powder coating material is a material that forms a high temperature resistant ceramic coating by chemical reaction

  Nano powder

  Also known as ultrafine powder or ultrafine powder, generally refers to powder or particles with a particle size of less than 100 nanometers. It is a solid particulate material in the intermediate state between atoms, molecules and macroscopic objects.

  Can be used for: high-density magnetic recording materials; absorbing stealth materials; magnetic fluid materials; radiation protection materials; single crystal silicon and precision optical device polishing materials; microchip thermal conductive substrates and wiring materials; microelectronic packaging materials; optoelectronic materials; advanced Battery electrode materials; solar cell materials; high-efficiency catalysts; high-efficiency combustion promoters; sensitive components; high-toughness ceramic materials (unbreakable ceramics, used in ceramic engines, etc.); human repair materials; anti-cancer preparations.

  Nanofibers

  Refers to a linear material with a nanometer diameter and a large length. Can be used for: microwires, microfibers (important components of future quantum computers and photonic computers) materials;

  New laser or light emitting diode materials. Electrospinning is a simple and easy method for preparing inorganic nanofibers.

  Nanofilm

  Nano film is divided into granular film and dense film. A granular film is a film in which nanoparticles are stuck together with extremely small gaps in the middle. Dense film refers to a film with a dense film layer but a grain size of nanometer order.

  Can be used for: gas catalysis (such as automobile exhaust treatment) materials; filter materials; high density magnetic recording materials; photosensitive materials; flat display materials; superconducting materials.

  Nanoblock

  Nano-blocks are nano-grain materials obtained by high-pressure molding of nano powders or controlling the crystallization of metal liquids. The main uses are: ultra-high-strength materials; smart metal materials, etc.

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