• $79.99

Laser surface nanocrystallization technology includes surface material grain nanocrystallization and implementation of surface nanostructures.Nano-materials and nanostructures have a variety of excellent performance has been gradually recognized, for metal materials, if the grain size to nano-scale, the overall performance will be greatly improved, while the metal surface of the nano-pattern Structure can greatly improve the material surface properties, can make the material with anti-oxidation, wear resistance, corrosion resistance, super-hydrophobic and a series of excellent performance.There are a variety of methods for surface nanocrystallization of materials. There are a large number of surface nanocrystallization technologies. It is a surface layer which can realize the nano-characteristics by means of blue laser pointer surface treatment technology and nanometer technology. It can be collectively referred to as laser surface nanocrystallization technology; More generally referred to as laser nano-surface engineering technology, is directly or mainly the use of laser this specific technical means to directly change or add material to change the surface of the solid material is treated, the composition or structure, so that the formation of nano-crystal Grain or a certain nanoparticle composition of the surface layer. Or the use of laser etching, laser embossing, laser hair, laser micro-nano modeling and other means to achieve nano-structure on the surface of the material.In the 1970s, after the successful development of high-power lasers, laser surface treatment technology into the practical application, and then the rapid development, there have been laser quenching (laser phase hardening surface modification technology), most powerful laser remelting, laser surface alloying, Laser cladding, laser surface amorphization and laser shock enhancement. These laser surface treatment technology through the surface of the material to form a certain thickness of the treatment layer to improve the mechanical properties of the material surface, metallurgical properties, physical properties, thereby enhancing the parts, the workpiece wear, corrosion resistance, fatigue and other properties. Laser due to high power density, good direction, energy transfer convenience, can be transmitted in a variety of transparent media and other characteristics.With the development of nano-materials and nano-surface engineering technology, the application of various laser surface treatment technology, to achieve the surface of nano-exploration of the surface has gradually started, and achieved certain results. Laser surface nanocrystallization technology, due to the fact that laser surface treatment technology and nano-surface technology combined with the production, so it also has all the advantages of 100mw laser pointer surface treatment, compared to other surface nano-technology, these advantages are essential.Such as mechanical grinding surface nano-technology, it is not suitable for large area, complex shape of the parts; such as surface roll or vibration shot peening surface nano-technology in dealing with complex shape parts are difficult, the actual production is difficult to achieve, and Laser surface nano-technology is basically no similar problems. Laser irradiation surface treatment research focused more on the surface hardening of laser hardening work, but also laser solid solution or laser annealing on a lot of research, there is no researchers explicitly proposed to use laser irradiation for metal Research on Nano – Surface of Parts.Generally refers to the use of laser remelting, high-energy 300mw laser pointer surface melting and not add any other ingredients to the substrate surface rapid melting and solidification grain refinement, eliminate defects, reach the aim of improving the surface structure. Laser remelting as a kind of surface engineering technology, a large number of researchers have done related research work, pointed out that the research can significantly improve the surface hardness and corrosion resistance of the material and wear properties by laser remelting, but as the surface of nanometer technology is not clearly separate.http://www.watchen.tv/weblog/5079/The+Generation+of+High-power+Laser+Devicehttp://www.yaarikut.com/blogs/steel-rust-and-mold-decontaminationhttp://kizifriv.org/p/laser-energy-measurement/