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| COMPAREISON OF PITTING RESISTANCE OF TWO KINDS OF LOW ALLOY HULL STEELS |
| Jianmin Wang;Xuequn Chen;Guomin Li |
| 海军工程大学 文理学院 |
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Abstract The pit corrosion resistances of nickel - chromium series low alloy structural hull steels were compared by simulating occluded corrosion cell test and interval laboratory immersion corrosion tests. The short - term immersion corrosion results showed that in early pit propagation stage, the rates of pitting propagation of nickel-chromium steels were slower than those of manganese steels.However,the results of the simulating occluded corrosion cell tests showed that the pitting resistance of nickel- chromium steels were lower than that of manganese steels when simulating long-term immersion corrosion test.However, pitting initiation stage of nickel- chromium steels with coating is much longer than that of manganese steels with coating. Therefore the resistance of nickel- chromium steels is bigger than that of maganese steels in practical use.
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Received: 31 May 2004
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Corresponding Authors:
Jianmin Wang
E-mail: green_apples@163.com
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