The Corrosion Protection of Hot -Dip Aluminizing on 20# Steel

Journal of Liaoning Petrochemical University ›› 2007, Vol. 27 ›› Issue (4): 35-37.

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The Corrosion Protection of Hot -Dip Aluminizing on 20^#Steel

School of Mechanical Engineer , Liaoning University o f Petroleum & Chemical Technolog y ,Fushun Liaoning 113001, P .R .China

Received:2007-04-23 Published:2007-12-20 Online:2017-07-05

20^#钢热浸镀铝的防腐蚀研究

崔娇月, 李邓玥, 孙合辉, 张国福^＊ , 宋天民

辽宁石油化工大学机械工程学院, 辽宁抚顺113001

作者简介:崔娇月(1982 -), 女, 辽宁锦州市, 在读硕士。

Abstract

Abstract:

　Taking 20^# steel commonly used in heat exchanges as a study object , its anticorrosion of hot -dip aluminizing was researched.As for before and after samples were hot -dip aluminized in acid and alkali corrosion medium , portable apparatus for measuring the instantaneous corrosion rate was used to test the yearly corrosion rate of 20^#steel .The experiment results show that the average yearly corrosion rate of 20^# steel before hot -dip aluminizing is three to six times of that after hot -dip aluminizing .Through the analysis for the mechanism , it has been proved that the heat exchanger will have good corrosion protection after hot -dip aluminizing .

Key words: 20^# steel, , Hot -dipa luminized, , Corrosion rate

摘要： 　选取换热器中较为常用的材质20 #钢作为研究对象, 研究了20 ^#钢热浸镀铝的抗腐蚀性能, 使用便携式瞬时腐蚀速率测量仪对20^#钢热浸镀铝前、后的试样在酸性腐蚀介质和碱性腐蚀介质中的年腐蚀速率进行了测试。实验结果表明, 20 ^#钢热浸镀铝前的平均年腐蚀速率是热浸镀铝后平均年腐蚀速率的3 到6 倍。通过对机理的分析验证了20 ^#钢换热器整体热浸镀铝后具有较高的耐腐蚀性能。

关键词: 20^#钢, 　热浸镀铝, 　腐蚀速率

CUI Jiao -yue,LI Deng -yue,et al. The Corrosion Protection of Hot -Dip Aluminizing on 20^#Steel[J]. Journal of Liaoning Petrochemical University, 2007, 27(4): 35-37.

崔娇月, 李邓玥, 孙合辉, 等. 20^#钢热浸镀铝的防腐蚀研究[J]. 辽宁石油化工大学学报, 2007, 27(4): 35-37.

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The Corrosion Protection of Hot -Dip Aluminizing on 20^#Steel

20^#钢热浸镀铝的防腐蚀研究

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The Corrosion Protection of Hot -Dip Aluminizing on 20# Steel

20#钢热浸镀铝的防腐蚀研究

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The Corrosion Protection of Hot -Dip Aluminizing on 20^#Steel

20^#钢热浸镀铝的防腐蚀研究