| 321不锈钢钝化膜孔蚀破坏的原子吸收光谱研究 |
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| 引用本文： | 唐子龙,宋诗哲,郭英凯.321不锈钢钝化膜孔蚀破坏的原子吸收光谱研究[J].金属学报,1996,32(4):443-448. |
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| 作者姓名： | 唐子龙 宋诗哲 郭英凯 |
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| 作者单位： | 天津大学，天津职业大学 |
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| 基金项目： | 国家自然科学基金,金属腐蚀与防护国家重点实验室资助 |
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| 摘 要： | 采用原子吸收光谱方法测定不锈钢局部破坏后各种元素的析出量，研究了３２１不锈钢在ＮａＣｌ水不溶液中钝化膜孔蚀破坏的特征。研究结果表明：ＡＡＳ可有效地用于不锈钢孔蚀动力学的研究。
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| 关 键 词： | 原子吸收光谱 孔蚀 自催化 不锈钢 钝化膜 |
| 收稿时间： | 1996-04-18 |
| 修稿时间： | 1996-04-18 |
STUDY OF PITTING BREAKDOWN FOR 321 STAINLESS STEEL IN NaCl MEDIA BY AAS |
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| TANG Zilong,SONG Shizhe,GUO Tingkai.STUDY OF PITTING BREAKDOWN FOR 321 STAINLESS STEEL IN NaCl MEDIA BY AAS[J].Acta Metallurgica Sinica,1996,32(4):443-448. |
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| Authors: | TANG Zilong SONG Shizhe GUO Tingkai |
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| Abstract: | Atomic absorption spectrometry (AAS) has been applied to investigate the kinetics of pitting propagation for 321 stainless steel in 0.5 mol/ L NaCl media. The results indicate the occurrence of the active corrosion of metals in the pitting holes. Fe, Ni and Mn, in form of divalence, and Cr in form of trivalvence dissolve into solution. On the basis of AAS data, the influence of the amounts Fe2+ and Cr3+ dissolved in corrosion pits upon the autocatalytic processes is discussed. |
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| Keywords: | atomic absorption spectrometry(AAS) pitting propagation autocatalytic process |
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