Effect of Weld Scale on Microbially Influenced Corrosion Resistance for SUS304AB Containing Ag Welds
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概要
- 論文の詳細を見る
Microbially influenced corrosion (MIC) of stainless steel welds has occurred in natural sea water or fresh water. SUS304AB containing Ag has an antibacterial ability. The antibacterial ability of SUS304AB against Bacillus megaterium and Pseudomonas putida was investigated using the film adhering cell suspension method, and also the effect of weld scale on the MIC resistance was investigated by means of corrosion tests for 140 days. The results were as follows; (1) SUS304AB has an antibacterial ability against Pseudomonas putida, but not to Bacillus megaterium. (2) Bacterial adhesion on SUS304AB welds has been reduced to 1/10 that on SUS304 welds, however corrosion pits were observed by SEM. (3) The occurrence of corrosion pits was prevented by means of the weld scale removal by brushing, polishing and pickling, although the bacterial adhesion on SUS304AB welds could not be prevented.
- 社団法人溶接学会の論文
- 2005-05-05
著者
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Nakano Kouichi
九州工業大学大学院生命体工学研究科
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Nishio Kazumasa
Kyushu Inst. Of Technol.
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ANZAI Toshio
九州工業大学大学院生命体工学研究科
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NISHIO Kazumasa
九州工業大学大学院生命体工学研究科
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MATSUKAWA Kiyotaka
九州電力(株)
関連論文
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