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Applications of Laser Cleaning Process

As environmental protection laws and regulations have become more stringent in China, people’s awareness of environmental protection and safety has increased. Chemical or electrochemical reactions erupt on the surface of various metals and the fluid around them, causing the metals to suffer corrosion damage. Metal corrosion is a resource consumption. Among various metal corrosion, iron corrosion is the slightest. Steel loss caused by rust accounts for 14% to 15% of the world's total steel every year.

Laser cleaning has the cleaning characteristics of non-grinding, non-contact, non-thermal effect and suitable for objects of various materials, and is considered to be the most reliable and effective solution. At the same time, laser cleaning can solve problems that cannot be solved by traditional cleaning methods.

Laser rust removal is different from the previous laser segmentation, welding, engraving, marking and other processes. These are all through the action of laser high energy and materials to change the shape, nature or composition of the material to achieve the processing effect. Laser cleaning is to clean the surface of dirt, rust, dust or residue without changing the material matrix.

The application of laser cleaning process must consider factors such as material, color spot thickness, laser power and energy. Because of its wide application range, different materials need to use laser cleaning systems with different parameters. Therefore, laser cleaning machines have many aspects of work that can be done in process exploration, analysis and testing.

The research and development of laser cleaning technology and equipment in China started late, basically tracking foreign development. Although some achievements have been made in recent years, there is still a small gap with foreign countries. Since 2004, there have been some research articles on laser cleaning in my country's academic circles. Until 2010, the Laser Fusion Center of the Chinese Academy of Engineering Physics tried to develop laser cleaning equipment for the first time in China, and it was successfully used in Yungang grottoes, walls, statues, murals and other cultural relics.

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Applications of Laser Cleaning Process

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