| 316不锈钢的晶间腐蚀行为的研究 |
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| 引用本文： | 张胜寒,李娜,杨妮.316不锈钢的晶间腐蚀行为的研究[J].汽轮机技术,2009,51(1). |
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| 作者姓名： | 张胜寒 李娜 杨妮 |
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| 作者单位： | 华北电力大学环境科学与工程学院,保定,071003 |
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| 摘 要： | 用化学腐蚀法对316不锈钢进行晶间腐蚀测定,对试样进行了溶态化处理和不同程度的敏化处理;通过实验确定了一种既能够最大限度地浸蚀316不锈钢晶界又不腐蚀到晶粒的最佳蚀刻溶液和蚀刻条件.同时采用柯尔莫哥洛夫-斯米尔诺夫(K-s)检验法检验晶问腐蚀沟槽宽度的统计特性.结果表明:316不锈钢在H2SO4溶液中的晶间腐蚀沟槽宽度符合正态分布;敏化热处理会加重316不锈钢的晶问腐蚀程度,晶间腐蚀沟槽宽度随敏化热处理时间增长而增大.
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| 关 键 词： | 不锈钢 晶间腐蚀 敏化 正态分布 |
The Research on the Intergranular Corrosion of 316 Stainless Steel |
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| ZHANG Shen-ghan,LI Na,YANG Ni.The Research on the Intergranular Corrosion of 316 Stainless Steel[J].Turbine Technology,2009,51(1). |
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| Authors: | ZHANG Shen-ghan LI Na YANG Ni |
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| Affiliation: | North China Electric Power University;Baoding 071003;China |
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| Abstract: | The chemical etching method determining intergranular corrosion of 316 stainless steel is developed,the specimen were heat treated under different conditions,looking for the optimal corrosive fluid,then under different condition to etch the 316 stainless steel,the essay find the maximum etch to 316 stainless steel and at the same time not to the crystal grain.Statistical test method based on K-S test.The result shows that:the intergranular corrosion groove width of 316 stainless steel eroded with dilute sul... |
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| Keywords: | stainless steel intergranular corrosion sensitization normal distribution |
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