美海军鱼雷铝合金燃料舱壳体腐蚀与防护进展

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Corrosion Protection of Aluminum Alloy Shell of Torpedo Fuel Tank in US Navy

1.
Military Representative Office, Naval Armament Department Stationed in Xi′an Dongfeng Instrument Factory, Xi’an 710065, China
2.
The 705 Research Institute, China Shipbuilding Industry Corporation, Xi′an 710075, China
3.
Luoyang Ship Material Research Institute, Luoyang 471039, China

摘要: 针对美海军鱼雷铝合金壳体在海水与燃料混合环境中产生的腐蚀问题, 分析了腐蚀机理, 并分别采用阳极氧化与缓蚀剂方法进行防护。对受到腐蚀的壳体, 采用先进的激光熔覆修复方法, 克服了熔焊产生的变形和热影响区大的缺陷, 既不损伤金属基体性能, 也提高了修复质量。
- 鱼雷 /
- 铝合金 /
- 燃料舱壳体 /
- 腐蚀防护 /
- 修复
Abstract: The combined corrosion mechanism of the aluminum alloy shell in both fuel and seawater is introduced for torpedo fuel tank in US Navy. The anodic oxidation method and corrosion inhibitor are used for corrosion protection. For the corrosive shell, the advanced laser cladding renovation method is used to prevent deformation and big heat af-fected zone caused by fusion welding. The laser cladding renovation method can improve the quality of repair without weakening the performance of metallic matrix.
- torpedo /
- aluminum alloy /
- fuel tank shell /
- corrosion protection /
- renovation

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[2]	Cook R. Multimetal Corrosion Control for Otto Fuel Tanks and Engines[P]. USA: NAVY 09-062, 2009.
[3]	McIntyre J F, Dow T S. Corrosion Behavior of AA-7175-T74 Exposed to Arficial Seawater and OTTO Fuel[R]. USA: Na-val Surface Warfare Center Materials Division Electrochem-istry Branch, 1998.
[4]	岳灿甫, 吴始栋. 激光熔覆及其在水中兵器修复上的应用[J]. 鱼雷技术, 2007, 15(1): 1-5. Yue Can-fu, Wu Shi-dong. Laser Cladding and Its Applica-tions to Repairing Underwater Weapons[J]. Torpedo Tech-nology, 2007, 15(1): 1-5.