Quasicrystal coating, preparation method thereof, and cooking utensil

A quasicrystal and coating technology, which is applied in special materials, coatings, metal material coating processes of cooking utensils, etc., can solve the problems of quasicrystal coating that needs to be further studied and reduce the non-stickiness of quasicrystal coatings.

Inactive Publication Date: 2020-05-29
FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, the process of spraying to form the quasi-crystalline coating cannot avoid the existence of pores in the quasi-crystalline coating, which leads to the accumulation of food residues in the pores during the cooking process, reducing the non-stick properties of the quasi-crystalline coating
[0003] Therefore, the research on quasi-crystalline coatings needs to be in-depth

Method used

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  • Quasicrystal coating, preparation method thereof, and cooking utensil
  • Quasicrystal coating, preparation method thereof, and cooking utensil
  • Quasicrystal coating, preparation method thereof, and cooking utensil

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Embodiment 1

[0083] The steps for preparing the quasicrystalline coating are:

[0084] 1. According to the atomic number ratio of Al: Cu: Fe: Cr = 64: 20: 8: 8, aluminum, copper, iron and chromium are smelted to form alloy ingots;

[0085] 2. Atomization pulverization: Under vacuum or protective atmosphere, use pulverization equipment to make quasi-crystalline particles.

[0086] 3. Spheroidization: spheroidize and sieve quasicrystalline particles to obtain quasicrystalline particles with a particle size greater than or equal to 10 nanometers and less than 150 microns.

[0087] 4. Substrate surface cleaning: Use alcohol, trichlorethylene or pure water plus ultrasonic waves to clean and dry the substrate surface so that there is no rust on the substrate surface before plasma spraying, and then perform sandblasting to roughen the substrate surface.

[0088]5. Plasma spraying: Use plasma spraying to spray on the surface of the above-mentioned substrate to form a quasi-crystalline base layer....

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Abstract

The invention provides a quasicrystal coating, a preparation method thereof, and a cooking utensil. The quasicrystal coating comprises a quasicrystal base layer, wherein a plurality of pores are formed in the outer surface of the quasicrystal base layer; and a filling material which is filled in at least one part of the pores. Therefore, partial pores of the quasicrystal base layer are filled withthe filling material, so external impurities can be prevented from entering the pores of the quasicrystal base layer to influence the non-stickiness and wear resistance of the quasicrystal coating; moreover, the filling material is filled in the pores of the quasicrystal base layer, so the filling material is not damaged when an external appliance used by the quasicrystal coating is in contact with the outer surface of the quasicrystal base layer in the using process of the quasicrystal coating. Therefore, the quasicrystal coating provided by the invention has the advantages of good non-stickiness, good wear resistance and long service life.

Description

technical field [0001] The invention relates to the technical field of quasicrystals, in particular to a quasicrystal coating, a preparation method thereof, and a cooking utensil. Background technique [0002] At present, cooking utensils and inner pots at home and abroad all prepare non-stick coatings on the inside of inner pots in order to achieve non-stick properties for cooking. At present, organic fluorine resin coating is the most widely used, but the durability of organic fluorine resin coating is poor, it is easy to fall off after long-term use, and it will decompose perfluorooctanoic acid (PFOA) and other substances that are harmful to human body at high temperature. Quasicrystals have the advantages of high hardness, high corrosion resistance, wear resistance and low surface energy, and their non-stick properties are comparable to Teflon coatings. However, the process of forming the quasicrystalline coating by spraying cannot avoid the existence of pores in the qu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47J36/02A47J36/04C23C4/08C23C4/129C23C4/131C23C4/134C23C4/18
CPCA47J36/02A47J36/04C23C4/129C23C4/134C23C4/131C23C4/18C23C4/08
Inventor 万鹏曹达华陈炜杰钟春发屈雪平
Owner FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD
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