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Application of laser cladding stainless steel composite powder in anti-corrosion of ship propellers
Date:2025-12-04 14:06     Source:daokedao     Browse:51

Ship propellers are susceptible to electrochemical corrosion and wear from marine organisms in seawater environments. Traditional copper alloy propellers require polishing and maintenance for an average service life of 3-5 years, with a lifespan of approximately 8-10 years. The Daokedao automated laser cladding equipment uses 316L+Al stainless steel composite powder to melt a 2-4mm anti-corrosion and wear-resistant layer on the surface of the propeller. The cladding layer has excellent resistance to seawater corrosion, reducing the attachment of marine organisms by 80% and increasing the hardness by three times compared to copper alloy. After being applied by a certain shipping company, the maintenance cycle of propellers has been extended to 5 years, and the expected service life can reach more than 15 years. The full life cycle cost of a single ship propeller has been reduced by 40%, and the equipment's large curved surface cladding technology is adapted to the complex shape processing of propellers.

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