JP6565623B2 - 表面処理鋼材の寿命判定方法 - Google Patents
表面処理鋼材の寿命判定方法 Download PDFInfo
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- JP6565623B2 JP6565623B2 JP2015223471A JP2015223471A JP6565623B2 JP 6565623 B2 JP6565623 B2 JP 6565623B2 JP 2015223471 A JP2015223471 A JP 2015223471A JP 2015223471 A JP2015223471 A JP 2015223471A JP 6565623 B2 JP6565623 B2 JP 6565623B2
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Description
前記鋼材の表面に形成した腐食生成物中の層状複水酸化物の量を指標として、前記鋼材が寿命に達しているか否かの判定を行う、表面処理鋼材の寿命判定方法。
Claims (2)
- ZnおよびAlを含む皮膜を有する表面処理鋼材の寿命を判定する方法であって、
前記鋼材の表面に形成した腐食生成物中の層状複水酸化物の量を指標として、前記鋼材が寿命に達しているか否かの判定を行う、表面処理鋼材の寿命判定方法。 - X線回折法により測定した前記層状複水酸化物の量が、質量%で、1.0%未満になった場合に、前記鋼材が寿命に達しているとの判定を行う、請求項1に記載の表面処理鋼材の寿命判定方法。
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JP2015223471A JP6565623B2 (ja) | 2015-11-13 | 2015-11-13 | 表面処理鋼材の寿命判定方法 |
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JP2015223471A JP6565623B2 (ja) | 2015-11-13 | 2015-11-13 | 表面処理鋼材の寿命判定方法 |
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JP2017090352A JP2017090352A (ja) | 2017-05-25 |
JP6565623B2 true JP6565623B2 (ja) | 2019-08-28 |
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Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002328085A (ja) * | 2001-02-27 | 2002-11-15 | Nkk Corp | 表面処理鋼材の耐食寿命予測方法、表面処理鋼材、表面処理鋼材の設計方法及び表面処理鋼材の製造方法 |
JP5459035B2 (ja) * | 2010-04-16 | 2014-04-02 | Jfeスチール株式会社 | 被覆鋼材の耐久性判定方法 |
PT106256A (pt) * | 2012-04-17 | 2013-10-17 | Chemetall Gmbh | Processo de revestimento de superfícies metálicas com revestimentos contendo partículas de hidróxido duplo lamelar. |
JP5928247B2 (ja) * | 2012-08-27 | 2016-06-01 | Jfeスチール株式会社 | 冷延鋼板およびその製造方法 |
SG11201502518QA (en) * | 2012-11-06 | 2015-05-28 | Exxonmobil Res & Eng Co | Method for identifying layers providing corrosion protection in crude oil fractions |
WO2015001368A1 (fr) * | 2013-07-04 | 2015-01-08 | Arcelormittal Investigaciòn Y Desarrollo Sl | Procédé de traitement d'une tôle pour réduire son noircissement ou son ternissement lors de son stockage et tôle traitée par un tel procédé |
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