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Thermal spraying the function of coating(一)

Author: langfeng Time: 2017-08-02

Thermal spraying the function of coating(一)

3. The function of coating
When a certain engineering problem is raised, the first should be clear to accept the construction of the part of the workpiece by spraying (usually work surfaces of equipment or facilities) is in what kind of working condition, and the function of coating is determined spraying process and material is the main basis, should also consider whether to allow on the economy.
3.1 the diversity of coating
Due to the diversity of spraying coating material of a variety of choice, the process parameters controlled variable and spraying methods. Spraying powder materials more than one hundred kinds, rods and bars, there are dozens of different coating methods and the change of process parameters, can make the material of the same form the coating is not the same. So, the combination of these variables can be a group of "menu" coating series, when you need to possess certain properties of the coating, is simply to will pick.
3.2 coating categories
Coating materials, coating and coating on the basis of their thousand times can be divided into 10 series:
(1) iron, nickel and cobalt coatings; (2) since the metal coating; (3) non-ferrous metal coating; (4) oxide ceramic coating; (5) tungsten carbide coating. (6) chromium carbide and other carbide coating; (7) refractory metal coating; (8) oxide ceramic coating; (9) plastic base coating; Metal ceramic coating (10).
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