应力-溶解氧耦合对Ni-Cr-Mo-V高强钢腐蚀行为的影响
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孙佳钰, 彭文山, 邢少华
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Combined Effect of Stress and Dissolved Oxygen on Corrosion Behavior of Ni-Cr-Mo-V High Strength Steel
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SUN Jiayu, PENG Wenshan, XING Shaohua
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表1 在不同应力作用下高强钢在含不同浓度溶解氧的天然海水中腐蚀产物的化学成分 (mass fraction / %)
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Table 1 Chemical compositions of the corrosion products of Ni-Cr-Mo-V steel under different stresses in natural seawater containing 3.5-6.5 mg/L DO
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| Condition | O | Na | Mg | S | Cl | K | Ca | Cr | Fe | Ni |
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| 3.5 mg/L-0% Rp0.2 | 36.19 | / | / | 0.99 | 3.04 | / | / | 0.49 | 55.48 | 2.72 | | 3.5 mg/L-100% Rp0.2 | 33.46 | / | / | 2.03 | 0.48 | / | / | 0.69 | 60.51 | 1.56 | | 4.5 mg/L-0% Rp0.2 | 34.84 | / | / | 0.33 | 1.27 | / | / | 0.55 | 58.56 | 2.74 | | 4.5 mg/L-100% Rp0.2 | 31.64 | / | / | 2.22 | 9.04 | / | / | 0.34 | 54.26 | 1.14 | | 5.5 mg/L-0% Rp0.2 | 31.50 | / | / | 1.44 | 9.93 | / | / | 0.30 | 54.07 | 1.23 | | 5.5 mg/L-100% Rp0.2 | 33.78 | 5.98 | / | 2.73 | 8.17 | 0.23 | 0.37 | / | 47.10 | 0.61 | | 6.5 mg/L-0% Rp0.2 | 26.66 | 19.38 | 1.25 | 1.08 | 22.58 | 0.45 | 0.69 | / | 26.15 | 0.76 | | 6.5 mg/L-100% Rp0.2 | 26.05 | 18.13 | 0.63 | 1.31 | 20.43 | 0.39 | 0.38 | / | 31.22 | / |
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