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    Home > Coatings News > Paints and Coatings Market > The mechanical properties and deadhesive properties of sol-gel coatings.

    The mechanical properties and deadhesive properties of sol-gel coatings.

    • Last Update: 2020-10-21
    • Source: Internet
    • Author: User
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    Current research involves mechanical properties and deadhesion of sol-gel coatings on metal and glass substrates.
    -gel coating is considered an easy-to-use method for organic/inorganic hybrid coatings. In addition, the application of film through this technology is inexpensive and can be applied without restriction to large substrates

    In this case, a thin sol-gel coating based on three alkyl silane mixtures is applied to the metal and glass substrates, which are synthesized in a pure water phase, have different thicknesses, and there are or do not exist ZrO 2 nanometer particles. After coating and curing, the mechanical properties of the sol-gel coating are indicated by Berkovich nano-indentation with continuous stiffness measurement mode (CSM). The effective elastic mould and hardness values of each coating are estimated along the depth of indentation, based on substrate and sol-gel properties. The effect of de-ignition at higher temperatures is also studied.
    careful microscope observation
    and then studied the damage pattern of the sol-gel coating using Berkovich nano-indentation technology and nano scratch technology with a radius of 5 m of spherical diamond tip. If you look closely at the remaining marks and residual grooves under a thick coating, especially on a glass substrate, there will be fragmentation and no serious malfunctions when thin coatings are applied to both substrates.
    , the results show that the presence and heat treatment of nanoparticles greatly affect the mechanical properties of the sol gel and the mechanical stability of the coating on the substrate.
    study can be found in the Journal of Science and Technology of Sol-Gel, February 2020, volume 93.
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