Electroplating of Thin Films of Bismuth onto Type 4340 Steel and Alloy 718 to Prevent Hydrogen Embrittlement

B.N. Popov; G. Zheng; R.E. White

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Electroplating of Thin Films of Bismuth onto Type 4340 Steel and Alloy 718 to Prevent Hydrogen Embrittlement

机译：Electroplating of Thin Films of Bismuth onto Type 4340 Steel and Alloy 718 to Prevent Hydrogen Embrittlement

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Polarization and permeation experiments showed that a thin layer of electroplated bismuth (1 mu m to 2 mu m) inhibited the evolution and penetration of hydrogen through nickel-chromium alloy 718 (UNS N07718) and type 4340 MHSG43400) steel. Inhibition effects were due to the kinetic limitations of the hydrogen discharge reaction and to the we suppression of hydrogen adsorption on the Deposited layers. The hydrogen evolution reactions on Ay 718 and type 4340 steel were inhibited by 28 percent and bb percent, respectively. The hydrogen permeation rates through T'Cse alloys were reduced by 76 percent and 65 percent, respectively.

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来源
《Corrosion: The Journal of Science and Engineering》 |1995年第6期|429-435|共7页
作者
B.N. Popov; G. Zheng; R.E. White;
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作者单位

Department of Chemical Engineering. University of South Carolina, carolinsa Columbia, SC, 29208.;

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原文格式 PDF
正文语种英语
中图分类金属腐蚀与保护、金属表面处理;
关键词
alloy 718; bismuth; corrosion resistance; electrolysis; hydrogen embrittlement; hydrogen;

Electroplating of Thin Films of Bismuth onto Type 4340 Steel and Alloy 718 to Prevent Hydrogen Embrittlement

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