| 磷、硅、锰和铜对高纯18Cr－14Ni不锈钢在氯化物介质中抗孔蚀性能的影响 |
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| 引用本文： | 梁成浩,张继德. 磷、硅、锰和铜对高纯18Cr－14Ni不锈钢在氯化物介质中抗孔蚀性能的影响[J]. 腐蚀科学与防护技术, 1995, 0(4) |
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| 作者姓名： | 梁成浩 张继德 |
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| 作者单位： | 大连理工大学，齐鲁石化公司橡胶厂 |
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| 摘 要： | 应用浸蚀腐蚀试验和阳极极化曲线研究了不同Ｐ、Ｓｉ、Ｍｎ和Ｃｕ含量的高纯１８Ｃｒ－１４Ｎｉ不锈钢在氯化物介质中的抗孔蚀行为．结果表明合金元素Ｐ、Ｓｉ和Ｃｕ的加入可改善高纯１８Ｃｒ－１４Ｎｉ钢的抗孔蚀能力．而Ｍｎ含量的增加对不锈钢的抗孔蚀性能是有害的．
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| 关 键 词： | 合金元素，不锈钢，孔蚀 |
EFFECT OF PHOSPHORUS, SILICON, MANGANESE AND COPPER ON PITTING RESISTANCE OF HIGH PURITY 18Cr-14Ni STAINLESS STEELS IN CHLORIDE SOLUTION |
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| LIANG Chenghao, ZHANG Jide. EFFECT OF PHOSPHORUS, SILICON, MANGANESE AND COPPER ON PITTING RESISTANCE OF HIGH PURITY 18Cr-14Ni STAINLESS STEELS IN CHLORIDE SOLUTION[J]. Corrosion Science and Protection Technology, 1995, 0(4) |
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| Authors: | LIANG Chenghao ZHANG Jide |
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| Affiliation: | LIANG Chenghao; ZHANG Jide |
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| Abstract: | Pitting resistance of high purity 18Cr-14Ni stainless steels with different P,Si Mn and Cu contents in 6%FeCl3+0.5mol L(-1) HCl solution and chloride solution was studied with immersion test and anodic polarization method. It was shown that the improvement of pitting sistance was improved by P, Si or Cu for the steels in chloride solution. Si and Cu was found to be enriched in the surface film. The synergetic effect of Cr with Si and Cu may increase the passivation ability of the surface film leading to the improvement of pitting resistance. Increase in addition of Mn is shown to be detrimental. |
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| Keywords: | alloying elements stainless steels pitting corrosion |
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