By Pei Ze Technology | 21 June 2019 | 0 评论
Surface coating treatment functions and solutions
Various surface coating treatment functions and solutions
——Thermal spray coating process
——Thermal spray coating process
A. wear-resistant one of the largest areas of thermal spray technology applications, such coatings are mainly:
(1) Adhesion-resistant wear or scratching A typical coating for cobalt is a cobalt-based tungsten carbide or a chromium carbide/nickel-chromium coating.
(2) Wear-resistant grain wear-specific coatings are cobalt-based nickel-chromium alloys, self-fluxing alloys mixed with molybdenum and chromium oxide coatings.
(3) Resistance to fretting wear - A typical coating for aluminum oxide/titanium dioxide coating.
(4) Cavitation wear resistance The typical coating for the special one is aluminum bronze coating.
(5) Erosion-resistant wear-resistant Typical coatings are alumina/titania and alumina coatings.
B. high temperature resistance and oxidation - such coatings resist chemical or physical decomposition, improve the high temperature performance of the parts, such coatings are mainly:
(1) Thermal barrier coating A typical coating is a stabilized zirconia coating of yttria.
(2) High temperature resistant oxide coating - A typical coating is a nickel/chromium coating.
(3) Heat-resistant corrosion coating - A typical coating is a nickel/chromium coating.
C. Anti-corrosion coating—The coating system is: spray coating + sealing material.
D. conductive coating or insulating coating - such coatings are divided into the following:
(1) The conductive coating is a copper coating.
(2) Insulating coating - one alumina coating.
(3) Shielding coating - one against electromagnetic interference (EMI) or high frequency interference (RFI) is copper coating.
E. Resilience Coatings—These coatings are primarily used to repair parts that are worn or out of process. The material and choice of coating depends primarily on the part's requirements.
F. Gap Control Coatings - These coatings provide tight seal clearances that significantly improve equipment performance and operational efficiency. When in contact with mating parts, the coating is preferentially controlled to wear. Typical coatings are nickel/graphite, polyester. Aluminum mixture, aluminum/graphite coating.
(1) Adhesion-resistant wear or scratching A typical coating for cobalt is a cobalt-based tungsten carbide or a chromium carbide/nickel-chromium coating.
(2) Wear-resistant grain wear-specific coatings are cobalt-based nickel-chromium alloys, self-fluxing alloys mixed with molybdenum and chromium oxide coatings.
(3) Resistance to fretting wear - A typical coating for aluminum oxide/titanium dioxide coating.
(4) Cavitation wear resistance The typical coating for the special one is aluminum bronze coating.
(5) Erosion-resistant wear-resistant Typical coatings are alumina/titania and alumina coatings.
B. high temperature resistance and oxidation - such coatings resist chemical or physical decomposition, improve the high temperature performance of the parts, such coatings are mainly:
(1) Thermal barrier coating A typical coating is a stabilized zirconia coating of yttria.
(2) High temperature resistant oxide coating - A typical coating is a nickel/chromium coating.
(3) Heat-resistant corrosion coating - A typical coating is a nickel/chromium coating.
C. Anti-corrosion coating—The coating system is: spray coating + sealing material.
D. conductive coating or insulating coating - such coatings are divided into the following:
(1) The conductive coating is a copper coating.
(2) Insulating coating - one alumina coating.
(3) Shielding coating - one against electromagnetic interference (EMI) or high frequency interference (RFI) is copper coating.
E. Resilience Coatings—These coatings are primarily used to repair parts that are worn or out of process. The material and choice of coating depends primarily on the part's requirements.
F. Gap Control Coatings - These coatings provide tight seal clearances that significantly improve equipment performance and operational efficiency. When in contact with mating parts, the coating is preferentially controlled to wear. Typical coatings are nickel/graphite, polyester. Aluminum mixture, aluminum/graphite coating.
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