CORROSION OF TYPE 304L STAINLESS STEEL IN BOILING DILUTE NEPTUNIUM NITRATE SOLUTION

机译：304L型不锈钢在沸腾稀硝酸钕溶液中的腐蚀

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Corrosion of type 304L stainless steel in nitric acid solution containing neptunium was studied under immersion and heat-transfer condition. Corrosion rates of stainless steel were obtained by the weight loss measurement and the quantitative analysis of metallic ions dissolved in solution. The surface morphology was observed by scanning electron microscopy. The corrosion acceleration mechanism was investigated by polarization measurement and spectrophotometry. The corrosion rate in boiling 9M nitric acid was accelerated by addition of neptunium. The corrosion of stainless steel was promoted under heat-transfer condition compared to immersion condition. In polarization measurements, the cathodic current was increased by addition of neptunium. Spectrophotometric measurements showed the oxidization of neptunium in boiling nitric acid. It was suggested that the accelerated corrosion in nitric acid solution containing neptunium was caused by re-oxidation of neptunium.

机译：研究了浸入和传热条件下304L不锈钢在含n的硝酸溶液中的腐蚀情况。通过重量损失测量和对溶解在溶液中的金属离子的定量分析，可以获得不锈钢的腐蚀速率。通过扫描电子显微镜观察表面形态。通过极化测量和分光光度法研究了腐蚀促进机理。通过添加n加快了沸腾的9M硝酸中的腐蚀速率。与浸入条件相比，在传热条件下促进了不锈钢的腐蚀。在极化测量中，阴极电流通过添加n而增加。分光光度法测量表明boiling在沸腾的硝酸中被氧化。有人认为，在含有containing的硝酸溶液中加速腐蚀是由于re的再氧化引起的。

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来源
《The 3rd International Symposium on Material Chemistry in Nuclear Environment (Material Chemistry '02 MC'02) Mar 13-15, 2002 Tsukuba》|2002年|p.439-444|共6页
会议地点 Tsukuba(JP);Tsukuba(JP);Tsukuba(JP)
作者
Takafumi Motooka; Kiyoshi Kiuchi;
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作者单位

Tokai Research Establishment, Japan Atomic Energy Research Institute Tokai-mura, Naka-gun, Ibaraki-ken 319-1195;

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会议组织
原文格式 PDF
正文语种 eng
中图分类原子能技术;
关键词
corrosion; neptunium; stainless steel; redox potential; heat-transfer; immersion; nitric acid;

机译：腐蚀; n;不锈钢;氧化还原电势;传热;浸没;硝酸;

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1. Corrosion of Type 304L Stainless Steel in Concentrated Plutonium Nitrate Solution [J] . Masaki OZAWA, Osamu YAMAMURA, Kozo GONDA Journal of nuclear science and technology . 1985,第1期

机译：304L型不锈钢在浓硝酸L溶液中的腐蚀
2. Evaluation of Stress Corrosion Cracking of Type 304L Stainless Steel in Low Concentration Sodium Hydroxide Solution with High Temperature [J] . Rongrong ZHOU, Jianming GONG, Feng LI, Key Engineering Materials . 2007,第Pt4期

机译：低浓度氢氧化钠溶液高温下304L不锈钢应力腐蚀开裂的评估。
3. Initiation and propagation of stress corrosion cracks for Type 304L stainless steel in chloride solutions containing thiosulfate [J] . T.Haruna, T.Shibata, R.Toyota Corrosion Science . 1997,第10a11期

机译：304L不锈钢在含硫代硫酸盐的氯化物溶液中的应力腐蚀裂纹的产生和扩展
4. Corrosion of type 304L stainless steel in boiling dilute neptunium nitrate solution [C] . Takafumi Motooka, Kiyoshi Kiuchi International Symposium on Material Chemistry in Nuclear Environment . 2003

机译：沸腾稀释Neptunium硝酸盐溶液304L不锈钢腐蚀
5. Stress corrosion cracking in 316 austenitic stainless steel in a dilute sodium chloride solution at a moderately elevated temperature. [D] . Ma, Wing Han. 2010

机译：316奥氏体不锈钢在适度升高的温度下在稀氯化钠溶液中的应力腐蚀开裂。
6. Hot tensile properties and constant load stress corrosion cracking test data of autogenous weld joints of super 304HCu stainless steel in boiling MgCl2 solution [O] . M. Vinoth Kumar, V. Balasubramanian 2018

机译：沸腾MgCl2溶液中超级304HCu不锈钢自生焊缝的热拉伸性能和恒应力腐蚀开裂试验数据。
7. Effect of nitrate on corrosion of austenitic stainless steel in boiling nitric acid solution containing chromium ions [O] . Satoshi Hasegawa, Seong-Yun Kim, Tetsunari Ebina, 2016

机译：硝酸盐对含铬离子沸腾硝酸溶液腐蚀的影响

CORROSION OF TYPE 304L STAINLESS STEEL IN BOILING DILUTE NEPTUNIUM NITRATE SOLUTION

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