Some Important Things to Know About Thermal Spray Coatings!
Thermal spraying, which is also commonly known as metal spraying, can be defined as a technology that is used to increase the lifespan of certain products by protecting them from unfavorable environmental conditions. There are a large number of thermal or metal spray powders available on the market these days, in addition to several processes of the application. In this blog, we will get into a few details of thermal spray powders. Protection from corrosion When we talk about metalized coatings, there are two main categories, namely finishing coatings and engineering coatings. Finishing coatings tend to refer to anti-corrosion or decorative coatings, while engineering coatings refer to wear-resistant or barrier coatings. For instance, engineering and finishing coating markets that use thermal spraying include petrochemical, construction, oil and gas industries, marine, and many more. How is thermal spraying done? Metal thermal spraying, in a nutshell, is done by projecting tiny and small molten particles in a continuous coating onto the required surface, and hence, adhering to it. In the broader scheme of things, it is much more complicated than that as spray material, atomization method, and a heat source are also involved in the process.
Different industries tend to use different kinds of materials for coating. The following are some of the most commonly used powdered metals.
Iron powder Tin powder Bismuth powder Nickel powder Zinc powder Manganese powder Aluminium powder Granular powder Cadmium oxide powder
Metal is not involved with all thermal sprays Although the process of thermal spray coating is commonly associated with the spraying of metal spray powders, it can also involve the application of non-metallic materials. Non-metallic materials including the likes of plastic, alloys, composites, and ceramics can be thermal sprayed onto the desired surface. It is a well-known fact that the more the particle velocities, the better is the quality of the coating. The quality of the coating is measured through various factors such as bond strength, surface roughness, oxide contents, porosity, and micro and macro hardness. Industries that use metal spray coatings No matter what product you think of, it is highly probable that it was developed using thermal spray coatings in one way, form, or shape. For instance, the following are some of the industries that use metal or thermal spray.
Petrochemical Solar energy Textile manufacturing Mining Industrial machinery Wind energy Rubber manufacturing
Apart from the above-mentioned industries, there are many more that utilize thermal spray coatings. So, these were some of the important things that you must know about thermal or metal spray powders and coatings.
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