| 1Cr18Ni9Ti不锈钢在土壤中腐蚀规律研究 |
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| 引用本文： | 孙成,李洪锡,张淑泉.1Cr18Ni9Ti不锈钢在土壤中腐蚀规律研究[J].材料研究学报,2000,14(Z1):84-86. |
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| 作者姓名： | 孙成 李洪锡 张淑泉 |
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| 作者单位： | 中国科学院金属腐蚀与防护研究所金属腐蚀与防护国家重点实验室 |
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| 基金项目： | 国家自然科学基金;59899140; |
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| 摘 要： | 用自然埋设试件的方法,研究了1Cr18Ni9Ti不锈钢在酸性、中性及碱性土中埋设1,3,5年后的腐蚀特征.结果表明,不锈钢在酸性及中性土壤中腐蚀轻微,在含盐量较高的碱性土壤中腐蚀比中酸性土壤严重,且出现点蚀现象;土壤中的Cl-及SO42-是影响不锈钢腐蚀的最主要因素,随着Cl-及SO42的增多,不锈钢的腐蚀失重增大;自然腐蚀电位也反映不锈钢在土壤中的腐蚀状态,腐蚀电位为正,腐蚀轻微,腐蚀电位越负,腐蚀越严重.
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| 关 键 词： | 1Cr18Ni9Ti不锈钢土壤腐蚀 |
| 文章编号： | 1005-3093(2000)S0-0084-03 |
| 修稿时间： | 1998年9月14日 |
CORROSION OF 1Cr18Ni9Ti STAINLESS STEEL IN SOILS |
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| SUN Cheng,LI Hongxi,ZHANG Shuquan.CORROSION OF 1Cr18Ni9Ti STAINLESS STEEL IN SOILS[J].Chinese Journal of Materials Research,2000,14(Z1):84-86. |
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| Authors: | SUN Cheng LI Hongxi ZHANG Shuquan |
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| Abstract: | Corrosion behavior of ICr18Ni9Ti in soils was studied.The results showed that corrosion of stainless steel was due to the total contents of C1- and SO2- in soils, A good correlation between the weight loss of ICr18Ni9Ti and the total contents of C1- and SO2- in soils was reported. Corrosion potential were the most important factor determining corrosion rate of stainless steel in soils. Some pitting corrosion of ICr18Ni9Ti was found in Dagang alkaline soil. |
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| Keywords: | ICr18Ni9Ti stainless steel soil corrosion |
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