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Determination of the Surface Displacement Field under Dynamic Loads by the Method of Phase-Shifting Correlation Speckle Pattern Interferometry.

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Title: Determination of the Surface Displacement Field under Dynamic Loads by the Method of Phase-Shifting Correlation Speckle Pattern Interferometry.
Authors: Muravsky, L. I.1 (AUTHOR) muravskyleon@ipm.lviv.ua
Source: Materials Science. Nov2023, Vol. 59 Issue 3, p257-266. 10p.
Subjects: Phase-shifting interferometry, Speckle interference, Speckle interferometry, Dynamic loads, Dynamic testing of materials, Nondestructive testing, Stellar activity, Deformation of surfaces
Abstract: A brief review of known digital speckle pattern interferometry methods for retrieving the surface displacement and deformation fields under dynamic loads is presented. A new nondestructive test method of three-step phase-shifting correlation speckle pattern interferometry to study the dynamic loads of structural materials is proposed. In this method three speckle interferograms (SIs) of the specimen surface, differing only by arbitrary unknown phase shifts, are recorded before the loading and one SI is recorded under the dynamic load. The surface displacement field under dynamic loading is determined using the obtained SIs. Two algorithms for the implementation of the method are proposed. They use an integrating bucket technique to record SIs and make it possible to determine the phase maps of the surface displacement fields at any moment of applying the dynamic load. We can use this method to produce a temporal sequence of surface displacement fields during loading. [ABSTRACT FROM AUTHOR]
Copyright of Materials 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.)
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  Data: <searchLink fieldCode="DE" term="%22Phase-shifting+interferometry%22">Phase-shifting interferometry</searchLink><br /><searchLink fieldCode="DE" term="%22Speckle+interference%22">Speckle interference</searchLink><br /><searchLink fieldCode="DE" term="%22Speckle+interferometry%22">Speckle interferometry</searchLink><br /><searchLink fieldCode="DE" term="%22Dynamic+loads%22">Dynamic loads</searchLink><br /><searchLink fieldCode="DE" term="%22Dynamic+testing+of+materials%22">Dynamic testing of materials</searchLink><br /><searchLink fieldCode="DE" term="%22Nondestructive+testing%22">Nondestructive testing</searchLink><br /><searchLink fieldCode="DE" term="%22Stellar+activity%22">Stellar activity</searchLink><br /><searchLink fieldCode="DE" term="%22Deformation+of+surfaces%22">Deformation of surfaces</searchLink>
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  Data: A brief review of known digital speckle pattern interferometry methods for retrieving the surface displacement and deformation fields under dynamic loads is presented. A new nondestructive test method of three-step phase-shifting correlation speckle pattern interferometry to study the dynamic loads of structural materials is proposed. In this method three speckle interferograms (SIs) of the specimen surface, differing only by arbitrary unknown phase shifts, are recorded before the loading and one SI is recorded under the dynamic load. The surface displacement field under dynamic loading is determined using the obtained SIs. Two algorithms for the implementation of the method are proposed. They use an integrating bucket technique to record SIs and make it possible to determine the phase maps of the surface displacement fields at any moment of applying the dynamic load. We can use this method to produce a temporal sequence of surface displacement fields during loading. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Materials 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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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1007/s11003-024-00771-0
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      – Code: eng
        Text: English
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        PageCount: 10
        StartPage: 257
    Subjects:
      – SubjectFull: Phase-shifting interferometry
        Type: general
      – SubjectFull: Speckle interference
        Type: general
      – SubjectFull: Speckle interferometry
        Type: general
      – SubjectFull: Dynamic loads
        Type: general
      – SubjectFull: Dynamic testing of materials
        Type: general
      – SubjectFull: Nondestructive testing
        Type: general
      – SubjectFull: Stellar activity
        Type: general
      – SubjectFull: Deformation of surfaces
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      – TitleFull: Determination of the Surface Displacement Field under Dynamic Loads by the Method of Phase-Shifting Correlation Speckle Pattern Interferometry.
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              M: 11
              Text: Nov2023
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              Y: 2023
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