Application of green sic in enhancing the wear resistance of coatings
The application of green sic in enhancing the wear resistance of coatings is mainly reflected in the following aspects:
1. Material properties support wear resistance
High hardness and wear resistance
The Mohs hardness of green sic is second only to diamond, and its crystal structure is sharp and uniform, which can significantly improve the surface hardness and wear resistance of the coating, and is suitable for high friction scenarios.
Excellent thermal stability
It can still maintain physical stability in high temperature environments, avoiding structural damage of the coating due to thermal expansion or crystal transformation, and is especially suitable for wear protection under high temperature conditions.
Chemical stability
It has strong resistance to corrosive media such as acids and alkalis, and can extend the service life of the coating in corrosive environments.
2. Specific application process in coating preparation
As a functional additive
Green sic powder is added to the coating or resin matrix to form a dense wear-resistant layer through uniform dispersion, reduce the amount of resin and improve the hardness of the paint film. For example, adding it to anti-corrosion coatings can simultaneously enhance wear resistance and corrosion resistance.
Composite coating technology
Composite coatings are prepared by combining with ceramic and metal substrates, for example:
Metal surface coating: Wear-resistant protective layers are formed by spraying or deposition processes, which are used for surface strengthening of petroleum and chemical equipment.
Ceramic-based coating: Combined with the high strength of ceramic materials, wear-resistant coatings that are resistant to high temperatures and impacts are manufactured.
3. Typical application areas
Industrial anti-corrosion coatings
In anti-corrosion coatings such as ships and chemical equipment, green sic extends the service life of coatings in harsh environments by improving wear resistance and corrosion resistance.
High-temperature protective coating
The thermal insulation layer used for high-temperature equipment such as metallurgy and electronic component bases has both wear resistance and high temperature resistance.
Functional surface treatment
Green sic composite coatings are applied to the surfaces of precision devices such as automotive parts and bearings to reduce friction loss and improve mechanical precision.
4. Comprehensive advantages
The application of green sic not only improves the wear resistance of the coating, but also reduces the overall cost by reducing material loss and extending the maintenance cycle. It also shows potential in the development of high-end coatings in photovoltaics, aerospace and other fields.
Haixu Abrasives Green SiC sizes:
FEPA:F12 F14 F16 F20 F22 F24 F30 F36 F46 F54 F60 F70 F80 F90 F100 F120 F150 F180 F220 F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 F2000
JIS:#12 #14 #16 #20 #22 #24 #30 #36 #46 #54 #60 #70 #80 #90 #100 #120 #150 #180 #220 #240 #280 #320 #360 #400# #500 #600 #700 #800 #1000 #1200 #1500 #2000 #2500 #3000 #4000 #6000 #8000 #10000