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Fatigue Properties of Hot-Dip Galvanized AISI 1020 Normalized Steel in Tension–Compression and Tension–Tension Loading
https://oacis.repo.nii.ac.jp/records/2522
https://oacis.repo.nii.ac.jp/records/2522faa0f6f2-8620-4a93-9a0f-e33e699544a3
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-08-22 | |||||
タイトル | ||||||
タイトル | Fatigue Properties of Hot-Dip Galvanized AISI 1020 Normalized Steel in Tension–Compression and Tension–Tension Loading | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | fatigue strength, stress ratio, hot-dip galvanized steel, normalized steel, fracture surface | |||||
資源タイプ | ||||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
著者 |
Thomas Alweendo, Shatumbu
× Thomas Alweendo, Shatumbu× Morita, Motoaki× Hasegawa, Kayo× Motoda, Shin-ichi |
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書誌情報 |
Materials 巻 14, 号 23, p. 7480, 発行日 2021-12-06 |
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抄録 | ||||||
内容記述 | Since hot-dip galvanizing causes a heat effect on cold-worked steel substrate and produces a coating layer comprised of distinct phases with varying mechanical properties, the fatigue mechanism of hot-dip galvanized steel is very complex and hard to clarify. In this study, AISI 1020 steel that has been normalized to minimize susceptibility to the heat effect was used to clarify the effect of the galvanizing layer on the tensile and fatigue properties. The galvanizing layer causes a reduction in the yield point, tensile strength, and fatigue strength. The reduction in the fatigue strength was more significant in the high cycle fatigue at R = 0.5 and 0.01 and in the low cycle fatigue at R = 0.5. The galvanizing layer seems to have very little effect on the fatigue strength at R = −1.0 in the low and high cycle fatigue. Since the fatigue strengths at R = 0.01 and −1.0 in the low cycle fatigue were strongly related to the tensile strength of the substrate, the cracking of galvanized steel was different than that of non-galvanized steel. The fatigue strength of galvanized steel at R = 0.5 dropped remarkably in the low cycle fatigue in comparison to the non-galvanized steel, and many cracks clearly occurred in the galvanizing layer. The galvanizing layer reduced the fatigue strength only under tension–tension loading. We believe that the findings in this study will be useful in the fatigue design of hot-dip galvanized steel. |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1996-1944 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.3390/ma14237480 | |||||
情報源 | ||||||
関連識別子 | https://doi.org/10.3390/ma14237480 | |||||
関連名称 | Publisher's Version/PDF (OpenAccess) | |||||
情報源 | ||||||
関連識別子 | http://www.mdpi.com/journal/materials | |||||
関連名称 | MDPI | |||||
情報源 | ||||||
関連識別子 | https://kaken.nii.ac.jp/ja/grant/KAKENHI-PROJECT-15K18232/ | |||||
関連名称 | KAKEN研究課題: 亜鉛めっき鋼材の腐食疲労に関する基礎研究 | |||||
情報源 | ||||||
関連識別子 | https://nrid.nii.ac.jp/ja/nrid/1000030636626/ | |||||
関連名称 | 研究代表者: 盛田 元彰 (東京海洋大学) | |||||
件名 | ||||||
主題 | 科学研究費研究成果 | |||||
出版者 | ||||||
出版者 | MDPI | |||||
科学研究費研究課題 | ||||||
主題 | 亜鉛めっき鋼材の腐食疲労に関する基礎研究 | |||||
科学研究費研究課題 | ||||||
主題 | Fundamental research of corrosion fatigue at galvanized steel | |||||
研究課題番号 | ||||||
内容記述 | 15K18232 |