Nanotechnology for corrosion protection of large-scale steel structures

Nanotechnology has a wide range of applications in various surface modification layers and coatings for different applications. Here only the special requirements for corrosion control of steel structures are discussed.

(1) Inorganic coating main structure nanocrystallization: In the case of inorganic anti-corrosion coating or surface treatment layer, using certain special methods, the coating layer can present a nano-structure, thereby bringing about a series of changes in film layer properties. In general, the cover layer is chemically inert relative to the steel substrate. If you want to achieve good anti-corrosion effect and long-term failure, it requires high bond strength with the substrate, complete coverage, less porosity and defects, good uniformity, impact resistance, high strength and a certain degree of toughness. Among them, toughness and certain deformability are important. The main reason for the failure of inorganic coatings in many cases is its poor toughness. Of course, there is the total amount of binding force. Nanostructures will undoubtedly improve the strength and strength of the inorganic coating, thereby increasing its resistance to failure. As the deformation coordination increases, it will also increase its bond strength with the steel surface. It should also be noted that the general anti-corrosion of the coating is due to its effect on the media's slowing of the transport and the interfacial bonding, sometimes through the addition of suitable components, but also through passivation and cathodic protection. For these effects, stratification and nanocrystallization also inevitably bring about beneficial or unhelpful effects.

(2) Improvement of the performance of conventional organic coatings: Nanocomposite coatings formed by adding certain types of nanoparticles to coatings can lead to a significant increase in performance. Such as TiO2, SiO2, ZnO, Fe2O3 and other nanoparticles through the scattering of ultraviolet light, can improve the anti-aging properties of organic coatings. In addition, it can also be used to improve the rheology, adhesion, mechanical strength, hardness, finish, light resistance and weather resistance of certain types of coatings. The role of nanoparticles in these aspects is essentially the same for steel structural anticorrosion coatings and coatings for other uses. Work in this area is relatively large, but there is still a long way to go before it can be effectively used in heavy antisepsis.

(3) Form control of self-protective corrosion products of steel structure: Weathering steel has better atmospheric corrosion resistance than carbon steel, and generally does not require surface treatment to have corrosion resistance, so it is widely used. The reason is that the corrosion products formed on the surface prevent the entry of corrosive media and thus protect the substrate. However, it also has problems of corrosion failure. In recent years, it has been found that through the surface repentance treatment, a more dense layer of corrosion products can be obtained and the corrosion protection performance can be greatly improved. Studies have shown that the resulting product has a nanostructure. The key here is how to effectively control the morphology of corrosion products.

Container House On Wheels

Container House on wheels mobile home
The container house we see every day are installed directly in a certain position and cannot be dragged at will. However, container houses on wheels are more suitable for flexible applications. They are small and easy to construct, and they are convenient for activities. Especially now many retailers, motels, and herdsmen on the prairie will also use this kind of container house, and its advantages are also obvious.

Wide range of applications
Because the container house on wheels can be moved and expanded (Expandable Container House can be installed on the trailer) and the size and specifications can be customized, so it solves the requirements of many businesses that need store movement. Especially in many places where certificates are required for building houses, it is very suitable for this kind of movable small house. It has a wide range of applications and can also be made into various granny houses, small supermarkets, cold drink halls, dining halls, etc. It is practical and can also be According to the needs of different industries for construction and use.

customizable
Although most of the containers have fixed sizes and specifications, in fact, container houses can be customized according to the needs, and the sizes and specifications can also be determined according to the needs. Especially if you want to use the container house as a bedroom, meeting room, etc., you can choose some large-sized containers and directly match it with a partition. This is convenient for daily use, simple interior decoration, and its practicality is also very good of.

Price concessions
Compared with other types of houses, the price of container houses on wheels is still very favorable, especially because many containers are recycled for secondary use, the cost is low, the construction is convenient, and the price/performance ratio is also very good. Therefore, if you want to choose a cost-effective container house, you only need to contact a regular manufacturer for cooperation. Custom container houses are also very cost-effective.
Now there are many manufacturers that can provide us with customized processing services for container houses on wheels. We only need to clarify our needs and then contact the manufacturer for customization. Moreover, the manufacturer will also provide us with good after-sales service, and the long-term use of high-quality container houses is also guaranteed.

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Henan Jinming Metal Material Co., Ltd. , https://www.hnjmsteel.com