Novel method to evaluate 3-D printed concrete quality using ultrasonic scatter energy techniques.
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| Title: | Novel method to evaluate 3-D printed concrete quality using ultrasonic scatter energy techniques. |
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| Authors: | Ahn, Eunjong1,2 (AUTHOR), Han, Seongho3 (AUTHOR) shhan@mst.edu, Shin, Myoungsu4 (AUTHOR) msshin@unist.ac.kr, Khayat, Kamal H.3 (AUTHOR), Popovics, John S.1 (AUTHOR) |
| Source: | Nondestructive Testing & Evaluation. Jul2026, Vol. 41 Issue 7, p4009-4025. 17p. |
| Subjects: | Ultrasonic testing, Sound wave scattering, Three-dimensional printing, Structural health monitoring, Digital image processing, Frequency-domain analysis, Concrete |
| Abstract: | This study investigates the feasibility and effectiveness of a non-destructive ultrasonic testing method to evaluate the quality of 3-D printed concrete (3DPC) under varying printing conditions. To simulate different types of layer completions of 3DPC under real-world conditions, three printing schemes with different open times were adopted: no time gap, a 2-minute time gap, and a 5-minute time gap between printing subsequent layers. An air-coupled ultrasonic scanning system was used to measure multiple ultrasonic signals collected from three different 3DPC specimens. The signals were analysed in the frequency-wavenumber (f-k) domain to decompose forward propagating and scattered wave fields. The experimental results demonstrate that ultrasonic scatter energy increases with longer time gaps between subsequent layers in 3DPC. Additionally, the scatter energy was found to correlate well with defect density of 3DPC, assessed by digital image processing using image binarization methods. The findings of this study suggest that the ultrasonic scatter energy approach shows potential more thoroughly assess the quality of 3DPC structures because it interrogates the full volume of the materials and it provides superior damage sensitivity than ultrasonic velocity measurements do. [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: 194726150 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Novel method to evaluate 3-D printed concrete quality using ultrasonic scatter energy techniques. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Ahn%2C+Eunjong%22">Ahn, Eunjong</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Han%2C+Seongho%22">Han, Seongho</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> shhan@mst.edu</i><br /><searchLink fieldCode="AR" term="%22Shin%2C+Myoungsu%22">Shin, Myoungsu</searchLink><relatesTo>4</relatesTo> (AUTHOR)<i> msshin@unist.ac.kr</i><br /><searchLink fieldCode="AR" term="%22Khayat%2C+Kamal+H%2E%22">Khayat, Kamal H.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Popovics%2C+John+S%2E%22">Popovics, John S.</searchLink><relatesTo>1</relatesTo> (AUTHOR) – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Nondestructive+Testing+%26+Evaluation%22">Nondestructive Testing & Evaluation</searchLink>. Jul2026, Vol. 41 Issue 7, p4009-4025. 17p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Ultrasonic+testing%22">Ultrasonic testing</searchLink><br /><searchLink fieldCode="DE" term="%22Sound+wave+scattering%22">Sound wave scattering</searchLink><br /><searchLink fieldCode="DE" term="%22Three-dimensional+printing%22">Three-dimensional printing</searchLink><br /><searchLink fieldCode="DE" term="%22Structural+health+monitoring%22">Structural health monitoring</searchLink><br /><searchLink fieldCode="DE" term="%22Digital+image+processing%22">Digital image processing</searchLink><br /><searchLink fieldCode="DE" term="%22Frequency-domain+analysis%22">Frequency-domain analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Concrete%22">Concrete</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: This study investigates the feasibility and effectiveness of a non-destructive ultrasonic testing method to evaluate the quality of 3-D printed concrete (3DPC) under varying printing conditions. To simulate different types of layer completions of 3DPC under real-world conditions, three printing schemes with different open times were adopted: no time gap, a 2-minute time gap, and a 5-minute time gap between printing subsequent layers. An air-coupled ultrasonic scanning system was used to measure multiple ultrasonic signals collected from three different 3DPC specimens. The signals were analysed in the frequency-wavenumber (f-k) domain to decompose forward propagating and scattered wave fields. The experimental results demonstrate that ultrasonic scatter energy increases with longer time gaps between subsequent layers in 3DPC. Additionally, the scatter energy was found to correlate well with defect density of 3DPC, assessed by digital image processing using image binarization methods. The findings of this study suggest that the ultrasonic scatter energy approach shows potential more thoroughly assess the quality of 3DPC structures because it interrogates the full volume of the materials and it provides superior damage sensitivity than ultrasonic velocity measurements do. [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: 10.1080/10589759.2025.2454358 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 17 StartPage: 4009 Subjects: – SubjectFull: Ultrasonic testing Type: general – SubjectFull: Sound wave scattering Type: general – SubjectFull: Three-dimensional printing Type: general – SubjectFull: Structural health monitoring Type: general – SubjectFull: Digital image processing Type: general – SubjectFull: Frequency-domain analysis Type: general – SubjectFull: Concrete Type: general Titles: – TitleFull: Novel method to evaluate 3-D printed concrete quality using ultrasonic scatter energy techniques. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Ahn, Eunjong – PersonEntity: Name: NameFull: Han, Seongho – PersonEntity: Name: NameFull: Shin, Myoungsu – PersonEntity: Name: NameFull: Khayat, Kamal H. – PersonEntity: Name: NameFull: Popovics, John S. IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 07 Text: Jul2026 Type: published Y: 2026 Identifiers: – Type: issn-print Value: 10589759 Numbering: – Type: volume Value: 41 – Type: issue Value: 7 Titles: – TitleFull: Nondestructive Testing & Evaluation Type: main |
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