Laser technology is now replacing conventional abrasive and chemical processes in many applications, such as rust removal, depainting, degreasing, activation, restoration, pre-/post-welding joint cleaning, surface preparation, decontamination, and rejuvenation. As a cleaning technique, lasers are increasingly popular because they are precise, controllable, and efficient, and they generate low waste. Additionally, low waste and high efficiency are the primary reasons that laser cleaning is now considered the “greenest” or most environmentally friendly approach to surface cleaning. The only waste created is dust particles, which can be easily collected and removed.

How Does Laser Cleaning Work?
Laser cleaning uses a focused beam of light to remove contaminants. The term “ablation” denotes the processes of removing material from surfaces and is accompanied by a shock wave that propagates outward, affecting surrounding surfaces. The laser’s energy is absorbed by the surface material, which results in the production of a plasma plume of ablation products. Various theoretical approaches have been developed to describe the ablation process, and a number of studies have been performed to measure ablation parameters at different conditions. Ablation thresholds have also been measured for a variety of metals ranging from 0.1 to 10 J/sq cm, and these values have been found to be dependent on the laser beam wavelength and pulse duration. The ablation rate, or the amount of material being removed, is proportional to the logarithm of a laser’s power. The efficiency of the laser beam absorption depends on the material reflectivity, the quality of the surface, and the properties of the contaminant on the surface.
When materials are processed with a laser beam, their surface properties can change. In some applications, a surface must remain fine-polished, while in others, the surface needs to be rough. Therefore, for a successful finish, laser cleaning techniques should take into account the properties of both the material being cleaned and the material the quality of the surface, and the properties of the contaminant on the surface. to be removed

Industrial Applications Of Laser Cleaning

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