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首页> 美国政府科技报告 >Electrochemical Techniques for the Analysis of Corrosion in Stainless Steel Components. 303 Stainless Steel in Contact with TATB
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Electrochemical Techniques for the Analysis of Corrosion in Stainless Steel Components. 303 Stainless Steel in Contact with TATB

机译：不锈钢组件腐蚀分析的电化学技术。 303不锈钢与TaTB接触

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Electrochemical techniques can be used to predict the corrosion characteristics of a metal in a specific environment. The basic electrochemical principles, experimental techniques, and a detailed study of their use in characterizing the corrosion behavior of a particular 303 stainless steel are presented. This metal is the material of construction in a weapons component that comes in contact with 416 SS and the explosive TATB. The results of the electrochemical corrosion investigation indicated that at room temperature, in a nitrogen atmosphere, using chloride-free TATB, the introduction of moisture into the system will not promote significant corrosion, and the corrosive influences of materials which contact the 303 SS are negligible. The good corrosion characteristics of 303 SS are lost only when it is exposed to mobile chloride ion, which causes serious pitting/crevice corrosion. The effects of various 303 SS surface finishes upon chloride corrosion resistance were examined; it was shown that a passivation treatment provided only limited protection from chloride attack, and that pitting tended to begin in regions of rougher surface finish. Suggestions for improving the corrosion properties of the system are advanced. 3 refs., 10 figs. (ERA citation 10:049287)

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