Quantitative non-destructive evaluation analysis and characterisation of microcrack detection based on carbon steel weld under alternating current field measurement.
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| Title: | Quantitative non-destructive evaluation analysis and characterisation of microcrack detection based on carbon steel weld under alternating current field measurement. |
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| Authors: | Zhou, Zhaoming1,2 (AUTHOR), Tang, Weixuan1 (AUTHOR) 1505574589@qq.com, Zhou, Zhonghua3 (AUTHOR), Mi, Wei4 (AUTHOR), Li, Kai5 (AUTHOR) |
| Source: | Nondestructive Testing & Evaluation. Dec2025, Vol. 40 Issue 12, p6200-6224. 25p. |
| Subjects: | Microcracks, Nondestructive testing, Nuclear industry, Stress concentration, Steel welding, Alternating currents, Magnetic properties, Welding inspection |
| Abstract: | Nondestructive testing of microcrack in welding seams is a key and challenging task in nuclear industry to evaluate material properties. The real magnetic characteristics of welds and stress redistribution have not been considered in the previous numerical simulation of welds and base metal materials, which leads to conservative calculation values and fails to meet actual engineering expectations. In this work, based on the difference between weld and base material structure, a non-uniform weld magnetic charge model was established and the stress distribution characteristics of weld cracks were analysed. The characteristics and gradient distribution of magnetic signals at weld and weld crack are calculated. The work quantitatively studied and characterised the influence of the offset weld position of the detection probe, the distance between the crack and the probe, the crack cluster, and the crack at the interface between the weld and the base metal on the detection signal. The microcrack detection of base metal, weld, and interface under various working conditions was compared and analysed. The difficulty of the AC electromagnetic method in weld inspection is solved, and the weld microcrack identification is realised. The results provide theoretical guidance for the identification of potential weld microcracks in spent fuel pools. [ABSTRACT FROM AUTHOR] |
| Copyright of Nondestructive Testing & Evaluation is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
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| Header | DbId: egs DbLabel: Engineering Source An: 189506959 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Quantitative non-destructive evaluation analysis and characterisation of microcrack detection based on carbon steel weld under alternating current field measurement. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Zhou%2C+Zhaoming%22">Zhou, Zhaoming</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tang%2C+Weixuan%22">Tang, Weixuan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> 1505574589@qq.com</i><br /><searchLink fieldCode="AR" term="%22Zhou%2C+Zhonghua%22">Zhou, Zhonghua</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mi%2C+Wei%22">Mi, Wei</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Kai%22">Li, Kai</searchLink><relatesTo>5</relatesTo> (AUTHOR) – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Nondestructive+Testing+%26+Evaluation%22">Nondestructive Testing & Evaluation</searchLink>. Dec2025, Vol. 40 Issue 12, p6200-6224. 25p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Microcracks%22">Microcracks</searchLink><br /><searchLink fieldCode="DE" term="%22Nondestructive+testing%22">Nondestructive testing</searchLink><br /><searchLink fieldCode="DE" term="%22Nuclear+industry%22">Nuclear industry</searchLink><br /><searchLink fieldCode="DE" term="%22Stress+concentration%22">Stress concentration</searchLink><br /><searchLink fieldCode="DE" term="%22Steel+welding%22">Steel welding</searchLink><br /><searchLink fieldCode="DE" term="%22Alternating+currents%22">Alternating currents</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetic+properties%22">Magnetic properties</searchLink><br /><searchLink fieldCode="DE" term="%22Welding+inspection%22">Welding inspection</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Nondestructive testing of microcrack in welding seams is a key and challenging task in nuclear industry to evaluate material properties. The real magnetic characteristics of welds and stress redistribution have not been considered in the previous numerical simulation of welds and base metal materials, which leads to conservative calculation values and fails to meet actual engineering expectations. In this work, based on the difference between weld and base material structure, a non-uniform weld magnetic charge model was established and the stress distribution characteristics of weld cracks were analysed. The characteristics and gradient distribution of magnetic signals at weld and weld crack are calculated. The work quantitatively studied and characterised the influence of the offset weld position of the detection probe, the distance between the crack and the probe, the crack cluster, and the crack at the interface between the weld and the base metal on the detection signal. The microcrack detection of base metal, weld, and interface under various working conditions was compared and analysed. The difficulty of the AC electromagnetic method in weld inspection is solved, and the weld microcrack identification is realised. The results provide theoretical guidance for the identification of potential weld microcracks in spent fuel pools. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Nondestructive Testing & Evaluation is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1080/10589759.2025.2457571 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 25 StartPage: 6200 Subjects: – SubjectFull: Microcracks Type: general – SubjectFull: Nondestructive testing Type: general – SubjectFull: Nuclear industry Type: general – SubjectFull: Stress concentration Type: general – SubjectFull: Steel welding Type: general – SubjectFull: Alternating currents Type: general – SubjectFull: Magnetic properties Type: general – SubjectFull: Welding inspection Type: general Titles: – TitleFull: Quantitative non-destructive evaluation analysis and characterisation of microcrack detection based on carbon steel weld under alternating current field measurement. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Zhou, Zhaoming – PersonEntity: Name: NameFull: Tang, Weixuan – PersonEntity: Name: NameFull: Zhou, Zhonghua – PersonEntity: Name: NameFull: Mi, Wei – PersonEntity: Name: NameFull: Li, Kai IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 12 Text: Dec2025 Type: published Y: 2025 Identifiers: – Type: issn-print Value: 10589759 Numbering: – Type: volume Value: 40 – Type: issue Value: 12 Titles: – TitleFull: Nondestructive Testing & Evaluation Type: main |
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