Low temperature plasma surface processor plasma metal surface modification

• Categories:Industry News
• Author:plasma cleaning machine-surface treatment equipment-CRF plasma machine-Sing Fung Intelligent Manufacturing
• Origin:
• Time of issue:2021-06-18
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(Summary description)Low temperature plasma surface processor plasma metal surface modification:         Plasma refers to a gas that is fully or partially ionized. It contains electrons, ions, and high-energy active components such as excited molecules, free radicals, and photons. The positive and negative charges of ions and free electrons and free electrons are added together to add Completely offset.         The low-temperature plasma of the special low-temperature plasma surface processor for metal modification ionizes air under glow discharge conditions. Through several years of research and development, the instantaneous contact temperature between the plasma and the surface of the object has been controlled at about 70 degrees, and a rotating nozzle has even been developed to make the ion temperature reach room temperature 40 to 60 degrees. At present, Chengfeng Zhizao has also formed an independent research direction in metal surface treatment, namely surface treatment. Low temperature plasma surface processor         Modification of the metal surface is conducive to spraying, printing, bonding and other processes:         Surface modification of materials includes chemical methods and physical methods. The general chemical treatment method is relatively cumbersome, and a large number of toxic chemicals are easy to cause environmental pollution, and it is also very harmful to the human body. Compared with the traditional surface treatment technology, the surface treatment technology of the low temperature plasma surface processor has the advantages of simple process, convenient operation, convenient control, and no pollution to the environment, and is more and more popular.         The surface properties of the material will change under the action of these active particles. The characteristics of plasma are: (1) The depth of action on the surface of the material is only a few hundred angstroms, and does not affect the performance of the matrix material; (2) It can treat surfaces of various shapes; (3) It has a strong bactericidal effect. In recent years, due to its unique properties, low-temperature plasma surface processors have received more and more attention and attention in surface modification of materials.         Low-temperature plasma surface processors are widely used in the surface mechanical properties of metal materials, such as material wear, hardness, friction, fatigue, corrosion, etc.         1. Strengthen the adhesion to metal surfaces.         After the special metal low-temperature plasma surface processor is processed, the surface morphology of the material undergoes microscopic changes. After the low-temperature plasma surface processor processes the metal material, the surface adhesion of the material can reach 80 or more, which can meet various bonding, spraying, printing, etc. Process, at the same time achieve the effect of removing static electricity.         2. Improve the corrosion resistance of the metal surface.         The existing methods of plasma treatment of iron and steel alloys can improve their friction and corrosion properties. Since ions in the four directions are injected into the sample at the same time, there is no line of sight limitation, so it can handle samples with more complicated shapes. Low-temperature plasma technology is used to coat the metal surface with polyterephthalate support, and aluminum film and other technologies are mostly used for spacecraft metal surface protection.         3. Improve the hardness and wear resistance of metals.         The application research of plasma immersion ion implantation mainly uses nitrogen plasma for surface treatment of metal materials. The results show that, due to the formation of TiN and CrN superhard layers, the wear resistance of the sample surface is improved.