Research Progress on Application of Surface Protection Technology in Maintenance of Warships
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摘要: 气动、液压装置、各类阀门等运动副零部件被大量应用于军民舰船、潜艇、海上平台等海洋装备中,是海洋装备的核心零部件之一。在海洋环境中,海水本身是一种强腐蚀介质,同时波、浪、潮、流又对金属构件产生低频往复应力和冲击,且海洋微生物、附着生物及它们的代谢产物等都对腐蚀过程产生直接或间接的加速作用,运动副零部件的服役寿命显著降低,严重危害海洋装备的服役安全性。在舰船定期维修时需对失效零部件和防护涂层进行修复或更换。因此,经济、绿色、便捷、快速的表面防护技术在船厂备受关注。作者对近年来喷涂技术和激光技术在舰船维修领域中的应用进行了分析,对喷涂技术和激光技术在船舶维修领域的应用发展进行了展望。Abstract: Pneumatic, hydraulic devices, various valves and other motion components are widely used in almost all marine equipment, such as military and civilian ships, submarines, offshore platform. Sea water itself is a strong corrosive medium. The waves, tides and currents generate low-frequency reciprocating stress and impact on the metal components. In addition, marine microorganisms, adherent organisms and their metabolites all directly or indirectly accelerate the corrosion process. Compared with the land environment, the service life of the motion components in the marine environment is significantly reduced, which seriously endangers the service safety of marine equipment. Therefore, it is necessary to repair or replace the failed parts and protective coatings when the ship is regularly maintained. The economic, green and convenient surface protection technology has attracted much attention in shipyards. Here is introduced the application of surface protection technologies such as thermal spraying, laser cladding and chemical conversion in the field of ship maintenance at home and abroad in recent years, and put for ward several problems that need to be solved urgently in ship maintenance.
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Keywords:
- spray technology /
- laser technology /
- ship repair
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