CORROSION RESISTANCE OF METALLIC MATERIALS AT VARIOUS DEPTHS IN THE PACIFIC OCEAN.

被引:0
作者
Korovin, Yu.M. [1 ]
Ledenev, A.V. [1 ]
Lukashev, Yu.F. [1 ]
机构
[1] Acad of Sciences of the USSR, Inst of Oceanology, USSR, Acad of Sciences of the USSR, Inst of Oceanology, USSR
来源
Protection of Metals (English translation of Zaschita Metallov) | 1984年 / 20卷 / 06期
关键词
ALUMINUM AND ALLOYS - Corrosion - CARBON STEEL - Corrosion - COPPER AND ALLOYS - Corrosion - CORROSION - Seawater - STEEL CORROSION - Seawater;
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摘要
Carbon steel St3, aluminum alloy AMTs-3, copper M-1, brass LS-59-1, and stainless steel Kh18N10T were tested for 30 days in the subarctic frontal zone of the northwestern Pacific Ocean. In order of increasing corrosion resistance they are St3, LS-59-1, M-1, AMTs-3, Kh18N10T. At depths down to 500 m, corrosion behavior is related to temperature conditions; at great depths (500-5000 m), there is an approximate correlation between corrosion rate and oxygen concentration for carbon steel and brass. For the metals under investigation, the most corrosion-active depths are those down to 100 m; for carbon steel and brass, 3000-5000 m. In the equatorial zone of the Pacific Ocean for exposure times of 10 and 15 days, the most corrosive depths are those down to 175 m, where there is considerable oxygen and water temperature is high.
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页码:696 / 699
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