Lead/carbon steel galvanic corrosion evaluation

被引：5
|
作者：
Semino, CJ
Burkart, AL
Garcia, ME
Cassibba, R
机构：
[1] Departamento de Materiales, Comn. Nac. de Ener. Atómica, 1429 Buenos Aires
来源：
JOURNAL OF NUCLEAR MATERIALS | 1996年 / 238卷 / 2-3期
关键词：
D O I：
10.1016/S0022-3115(96)00455-2
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In a study aimed to select a carbon steel for its possible use as a liner for a high level radioactive waste canister, galvanic corrosion tests of lead/carbon steel galvanic couples in groundwater and in seawater were performed at 75 degrees C. Lead behaved anodically due to a current polarity inversion phenomenon, and therefore corroded preferentially. This polarity inversion is temperature dependent. Under the same conditions, commercial lead showed higher corrosion rates in groundwater than high purity lead. No current polarity inversion was detected in galvanic tests performed either in bentonite suspensions in groundwater or in seawater.
引用
收藏
页码：198 / 204
页数：7
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