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Understanding the role of explosive covering in explosive welding: process behaviors, bonding properties, and energy effects.

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Title: Understanding the role of explosive covering in explosive welding: process behaviors, bonding properties, and energy effects.
Authors: Wang, Junguo1 (AUTHOR), Li, Mengyang1 (AUTHOR), Wang, Cong1 (AUTHOR), Wang, Xiaofei1 (AUTHOR), Yang, Ming2 (AUTHOR) ym1991@njust.edu.cn
Source: Archives of Civil & Mechanical Engineering (Elsevier Science). Mar2026, Vol. 26 Issue 2, p1-23. 23p.
Subjects: Explosive welding, Interfacial bonding, Mechanical behavior of materials, Colloids, Laminated materials, Corrosion resistance, Computer simulation
Abstract: Covering a layer of colloidal water over the explosive can improve energy utilization and welding quality, but the detailed mechanisms for this technique are still open to discussion. Here, multi-group laminated composites of AA1060 foil and Q235 plate were prepared by explosive welding with varying thicknesses of colloidal water. The bonding properties including macro/micro morphologies, mechanical properties, and corrosion resistances were systematically investigated by various characterizations, and the relevant energies involving welding, jet formation, and plastic strain were studied with theoretical analyses and ALE-SPH numerical simulation. The results showed a positive correlation between the thickness of the colloidal water and the energies, but the correlation gradually weakened. As the thickness increased, the bonding interface gradually transited from flat-like shape to waveform and further evolved toward irregularity. The composite prepared with 5 mm thick colloidal water was better in macro/ micro morphologies, while the others had various defects due to the improper energy distribution. The nanoindentation results revealed the heterogeneities of micromechanical properties quantitatively, and the electrochemical corrosion tests indicated that the anti-corrosion properties of the composites were considerably improved compared to the matrixes. This comprehensive study contributes to a deeper understanding of the explosive welding process and promotes process optimization. [ABSTRACT FROM AUTHOR]
Copyright of Archives of Civil & Mechanical Engineering (Elsevier Science) is the property of Springer Nature 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: 191808923
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Understanding the role of explosive covering in explosive welding: process behaviors, bonding properties, and energy effects.
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Junguo%22">Wang, Junguo</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Mengyang%22">Li, Mengyang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Cong%22">Wang, Cong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Xiaofei%22">Wang, Xiaofei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yang%2C+Ming%22">Yang, Ming</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> ym1991@njust.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Archives+of+Civil+%26+Mechanical+Engineering+%28Elsevier+Science%29%22">Archives of Civil & Mechanical Engineering (Elsevier Science)</searchLink>. Mar2026, Vol. 26 Issue 2, p1-23. 23p.
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  Data: <searchLink fieldCode="DE" term="%22Explosive+welding%22">Explosive welding</searchLink><br /><searchLink fieldCode="DE" term="%22Interfacial+bonding%22">Interfacial bonding</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+behavior+of+materials%22">Mechanical behavior of materials</searchLink><br /><searchLink fieldCode="DE" term="%22Colloids%22">Colloids</searchLink><br /><searchLink fieldCode="DE" term="%22Laminated+materials%22">Laminated materials</searchLink><br /><searchLink fieldCode="DE" term="%22Corrosion+resistance%22">Corrosion resistance</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+simulation%22">Computer simulation</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Covering a layer of colloidal water over the explosive can improve energy utilization and welding quality, but the detailed mechanisms for this technique are still open to discussion. Here, multi-group laminated composites of AA1060 foil and Q235 plate were prepared by explosive welding with varying thicknesses of colloidal water. The bonding properties including macro/micro morphologies, mechanical properties, and corrosion resistances were systematically investigated by various characterizations, and the relevant energies involving welding, jet formation, and plastic strain were studied with theoretical analyses and ALE-SPH numerical simulation. The results showed a positive correlation between the thickness of the colloidal water and the energies, but the correlation gradually weakened. As the thickness increased, the bonding interface gradually transited from flat-like shape to waveform and further evolved toward irregularity. The composite prepared with 5 mm thick colloidal water was better in macro/ micro morphologies, while the others had various defects due to the improper energy distribution. The nanoindentation results revealed the heterogeneities of micromechanical properties quantitatively, and the electrochemical corrosion tests indicated that the anti-corrosion properties of the composites were considerably improved compared to the matrixes. This comprehensive study contributes to a deeper understanding of the explosive welding process and promotes process optimization. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Archives of Civil & Mechanical Engineering (Elsevier Science) is the property of Springer Nature 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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        Value: 10.1007/s43452-026-01439-z
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      – Code: eng
        Text: English
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        PageCount: 23
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      – SubjectFull: Explosive welding
        Type: general
      – SubjectFull: Interfacial bonding
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      – SubjectFull: Mechanical behavior of materials
        Type: general
      – SubjectFull: Colloids
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      – SubjectFull: Laminated materials
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      – SubjectFull: Corrosion resistance
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      – SubjectFull: Computer simulation
        Type: general
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      – TitleFull: Understanding the role of explosive covering in explosive welding: process behaviors, bonding properties, and energy effects.
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            NameFull: Wang, Junguo
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            NameFull: Wang, Cong
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            – D: 01
              M: 03
              Text: Mar2026
              Type: published
              Y: 2026
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