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Modeling and Experimental Study of Smart Bolt Based on ZnO Piezoelectric Thin Film Sensor.

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Title: Modeling and Experimental Study of Smart Bolt Based on ZnO Piezoelectric Thin Film Sensor.
Authors: Mo, G.1 (AUTHOR) moguowei00@163.com, Yu, H.1 (AUTHOR)
Source: Experimental Techniques. Apr2026, Vol. 50 Issue 2, p191-199. 9p.
Subjects: Torque measurements, Electric admittance measurement, Elasticity, Signal processing, Piezoelectric transducers, Fasteners, Piezoelectricity
Abstract: Because of the coupling error caused by the adhesive layer between the sensor and the bolt, the ZnO piezoelectric film sensor is directly deposited on the bolt surface to avoid the interference of the adhesive layer. The piezoelectric constitutive equation and elastic theory are used to model the coupling mode, and two methods are used to verify the model. The experimental results show that with the increase of torque, the stiffness of the joint surface of the piezoelectric film sensor increases, and the peak frequency of the admittance signal of the smart bolt increases linearly, which is consistent with the results of the theoretical model; The stability of the peak frequency shift method of admittance signal is further verified by several groups of repeated experiments. Finally, by comparing with the RMSD tightness factor method, it is verified that the admittance frequency offset method has higher accuracy. [ABSTRACT FROM AUTHOR]
Copyright of Experimental Techniques 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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DbLabel: Engineering Source
An: 192482299
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PubType: Academic Journal
PubTypeId: academicJournal
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IllustrationInfo
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  Label: Title
  Group: Ti
  Data: Modeling and Experimental Study of Smart Bolt Based on ZnO Piezoelectric Thin Film Sensor.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Mo%2C+G%2E%22">Mo, G.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> moguowei00@163.com</i><br /><searchLink fieldCode="AR" term="%22Yu%2C+H%2E%22">Yu, H.</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Experimental+Techniques%22">Experimental Techniques</searchLink>. Apr2026, Vol. 50 Issue 2, p191-199. 9p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Torque+measurements%22">Torque measurements</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+admittance+measurement%22">Electric admittance measurement</searchLink><br /><searchLink fieldCode="DE" term="%22Elasticity%22">Elasticity</searchLink><br /><searchLink fieldCode="DE" term="%22Signal+processing%22">Signal processing</searchLink><br /><searchLink fieldCode="DE" term="%22Piezoelectric+transducers%22">Piezoelectric transducers</searchLink><br /><searchLink fieldCode="DE" term="%22Fasteners%22">Fasteners</searchLink><br /><searchLink fieldCode="DE" term="%22Piezoelectricity%22">Piezoelectricity</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Because of the coupling error caused by the adhesive layer between the sensor and the bolt, the ZnO piezoelectric film sensor is directly deposited on the bolt surface to avoid the interference of the adhesive layer. The piezoelectric constitutive equation and elastic theory are used to model the coupling mode, and two methods are used to verify the model. The experimental results show that with the increase of torque, the stiffness of the joint surface of the piezoelectric film sensor increases, and the peak frequency of the admittance signal of the smart bolt increases linearly, which is consistent with the results of the theoretical model; The stability of the peak frequency shift method of admittance signal is further verified by several groups of repeated experiments. Finally, by comparing with the RMSD tightness factor method, it is verified that the admittance frequency offset method has higher accuracy. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Experimental Techniques 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/s40799-025-00804-6
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      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 9
        StartPage: 191
    Subjects:
      – SubjectFull: Torque measurements
        Type: general
      – SubjectFull: Electric admittance measurement
        Type: general
      – SubjectFull: Elasticity
        Type: general
      – SubjectFull: Signal processing
        Type: general
      – SubjectFull: Piezoelectric transducers
        Type: general
      – SubjectFull: Fasteners
        Type: general
      – SubjectFull: Piezoelectricity
        Type: general
    Titles:
      – TitleFull: Modeling and Experimental Study of Smart Bolt Based on ZnO Piezoelectric Thin Film Sensor.
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            NameFull: Mo, G.
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            – D: 01
              M: 04
              Text: Apr2026
              Type: published
              Y: 2026
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              Value: 50
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            – TitleFull: Experimental Techniques
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