書誌事項
- タイトル別名
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- Computer Simulation of Intergranular Corrosion of Austenitic Stainless Steel
- オーステナイトケイ ステンレス コウ ノ リュウカイ フショク シミュレーショ
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抄録
Intergranular corrosion of austenitic stainless steel is associated with the Cr depleted zone surrounding Cr carbide precipitated at grain boundary. Computer simulation program of intergranular corrosion, caused by attack of Cr depleted zone, was developed to predict intergranular corrosion susceptibility. Assuming that the formation of Cr depleted zone adjacent to grain boundary is controlled by carbide nucleation rate, thermodynamical property of carbide and Cr diffusion coefficient, two-dimensional redistribution of Cr concentration on grain boundary was calculated by differential method. Induction time of carbide precipitation was calculated by taking account of the effect of C, Cr and Ni content based on the nucleation theory. Calculated corrosion depth in Strauss test coincided well with experimental data in specimens heated at the temperature range of 823 to 1073K and cooled from 1073K. From these results, this computer simulation is found to be able to predict the sensitization of SUS 304 steel heated at the range of 823 to 1073K.
収録刊行物
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- CORROSION ENGINEERING
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CORROSION ENGINEERING 38 (9), 473-479, 1989
社団法人 腐食防食協会
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詳細情報 詳細情報について
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- CRID
- 1390001206258839552
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- NII論文ID
- 130006025357
- 130004732123
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- NII書誌ID
- AN00225595
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- ISSN
- 18841155
- 00109355
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- NDL書誌ID
- 3247644
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- データソース種別
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- JaLC
- NDL
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