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Thermal Spraying Technology application field(一)

Author: langfeng Time: 2017-07-21

Thermal Spraying Technology application field(一)

1.Whether it is mechanical parts or metal structures, the most prominent problem is the surface wear or corrosion or both. Here's a brief overview of the U.S. METCO coating application guide Wear resistance - Thermal Spraying Technology applications at the maximum high and low temperatures. Such coatings specifically divided into the following situations;  
(1)resistance to adhesive wear or scratch - the two surfaces sliding when debris from one surface to the other surface, the occurrence of adhesive wear or scratches. Special typical coating is tungsten carbide cobalt-based, nickel-chromium / chromium carbide coating.
(2)abrasive wear - when a hard surface slides on softer surfaces, and the presence of wear between the two surfaces, the occurrence of abrasive wear. When the fiber and yarn at high speed through the surface, but also occurs abrasive wear. Typical coating is cobalt-based proprietary nickel-chromium alloy, self fluxing mixed molybdenum, chromium oxide coating. 
(3)fretting resistance, repeated loading and unloading cycle stress cause surface cracking and large loss. Special typical coating is aluminum / titanium dioxide coating.
(4)resistance to cavitation wear - resistant liquid flow on the surface cause the mechanical shock. Special typical coating is aluminum bronze coating.
(5)resistance to erosion ,  gas or liquid particles in high-speed impact surface, would be occur erosion wear. Special coating is alumina/titanium dioxide, aluminium oxide coating.
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