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Corrosion and Wear resistant Repair of Yacht Propeller Shaft
Date:2025-11-17 14:26     Source:daokedao     Browse:19

The propeller shaft of a yacht rotates at high speed in seawater containing sediment for a long time, and is affected by both erosion wear and seawater corrosion. The traditional chrome plating layer fails due to insufficient bonding force and peels off after 18 months. Replacement requires towing the yacht to the dock and stopping work for at least 10 days. Daokedao cladding WC Ni alloy coating adopts supersonic flame cladding technology to achieve a bonding strength of 700MPa, salt spray corrosion resistance of up to 7000 hours, and wear resistance four times that of traditional chrome plating. After being applied in a high-end yacht repair shop in the United States, the service life of the propeller shaft has been extended to 5 years, and the on-site repair time has been reduced to 2 days. It can be completed without docking, and the number of yacht docking repairs has been reduced from once a year to once every 3 years. The cost of repairing a single 100 foot yacht has been reduced from $150000 to $70000, saving $80000. The owner of the repair shop stated that 'this technology has increased our customer return rate by 60%'.

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