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| EFFECT OF SOME DETERGENTS ON THE SUSCEPTIBILITY TO HYDROGEN EMBRITTLEMENT OF 20g STEEL |
| Zheng Wenleong ( Shanghai Research Institute of Materiais) |
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Abstract Some characteristic parameters of hydrogen embrittlement (HE) of 20g steel in SMA-1, SAF and HCl detergent solutions were measured by methods of mechanics, fracture mechanics and electrochemistry. The results reveal that the electrochemical hydrogen permeation transient method canbe adopted to evaluate the susceptibility to HE of mild steels in detergents. The 20g steel has the lowest susceptibility to HE in SMA-1 detergent solution and the highest susceptibility in HC1 detergent. In this respect, SMA-1 is considered a highly effective and safe detergent in contact with 20g steel.
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Received: 25 February 1986
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[1] 张翠润,上海化工,10(1) ,14(1985)
[2] GB2038-80,冶金标准化,11,1(1980)
[3] 郑文龙,《金属构件断裂分析与防护》,上海科技出版社,82(1980)
[4] Kies, J. A. etc., ASTM, STP381 , 328 (1965)
[5] 徐克薰,苏立民,孔繁娣,中国腐蚀与防腐学报,3(1) ,1(1983)
[6] NACE代表团在上海的学术报告,(1982) |
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