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Application of 3D digital image correlation for the measurement of the tensile mechanical properties of high-strength steel

  • Feipeng Zhu

    Dr. Feipeng Zhu, born in 1983, is an Associate Prof. in the College of Mechanics and Materials at Hohai University, Nanjing, China. He received his PhD in Solid Mechanics from Southeast University, Nanjing, China, in 2011. His research interests focus on optical measurement methods including digital image correlation, fringe projection and speckle interferometry.

     EMAIL logo     , Xiaoxia Gu

    Xiaoxia Gu, born in 1997, received her BS in Civil Engineering from Liaocheng University. Currently, she is a Master’s Student in the College of Mechanics and Materials at Hohai University, Nanjing, China.

         , Pengxiang Bai

    Dr. Pengxiang Bai, born in 1984, received his PhD in Solid Mechanics from Southeast University, Nanjing, China. Currently, he is working in the College of Mechanics and Materials at Hohai University, Nanjing, China. His current research interests concentrate on speckle interferometry, digital image correlation and image processing techniques.

         and Dong Lei

    Prof. Dong Lei works at Hohai University, Nanjing, China. He received his PhD in Solid Mechanics from the University of Science and Technology of China in Hefei in 2006. He has authored or coauthored more than 30 research articles in journals and conference proceedings. His research interests include digital image correlation method, fatigue life prediction and engineering experimental mechanics in hydraulic structures.
Published/Copyright: April 29, 2021
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Materials Testing
From the journal Materials Testing Volume 63 Issue 4

Abstract

High-strength steel plays an important role in engineering fields such as infrastructure. For this reason, an accurate determination of its mechanical properties is of critical importance. Considering the inconvenience of conventional mechanical extensometers for the deformation measurement of small-scale specimens, 3D digital image correlation (3D-DIC) was used to measure the deformation of Grade 8.8 bolts and Q690 high-strength steel specimens by means of a uniaxial tensile test, and in this way, stress–strain curves, elastic modulus, yield strength, tensile strength, percentage elongation after fracture, and percentage reduction of area were obtained. Experimental results show that Grade 8.8 bolts and Q690 steel result in higher yield strength and tensile strength than common steel. Moreover, owing to the phenomenon that stress remains constant with strain increase in the yielding stage, the evolution process from elastic deformation to plastic deformation of the specimens during the yielding stage could be studied. Experimental results show that the axial strain of Grade 8.8 bolts increases from 0.3 to 1 % during the yielding stage and for Q690 specimens the corresponding strain increases from 0.4 to 1.8 %.

Keywords: 3D digital image correlation; High-strength steel; Mechanical properties; Stress strain curves; Ultimate tensile strength
Associate Prof. Dr. Feipeng Zhu College of Mechanics and Materials Hohai University Nanjing 211100,P. R. China

About the authors

Associate Prof. Dr. Feipeng Zhu

Dr. Feipeng Zhu, born in 1983, is an Associate Prof. in the College of Mechanics and Materials at Hohai University, Nanjing, China. He received his PhD in Solid Mechanics from Southeast University, Nanjing, China, in 2011. His research interests focus on optical measurement methods including digital image correlation, fringe projection and speckle interferometry.

Xiaoxia Gu

Xiaoxia Gu, born in 1997, received her BS in Civil Engineering from Liaocheng University. Currently, she is a Master’s Student in the College of Mechanics and Materials at Hohai University, Nanjing, China.

Dr. Pengxiang Bai

Dr. Pengxiang Bai, born in 1984, received his PhD in Solid Mechanics from Southeast University, Nanjing, China. Currently, he is working in the College of Mechanics and Materials at Hohai University, Nanjing, China. His current research interests concentrate on speckle interferometry, digital image correlation and image processing techniques.

Prof. Dong Lei

Prof. Dong Lei works at Hohai University, Nanjing, China. He received his PhD in Solid Mechanics from the University of Science and Technology of China in Hefei in 2006. He has authored or coauthored more than 30 research articles in journals and conference proceedings. His research interests include digital image correlation method, fatigue life prediction and engineering experimental mechanics in hydraulic structures.

Acknowledgement

We are grateful for the financial support provided by the Fundamental Research Funds for the Central Universities (No. B210202095). The authors wish to thank Ph.D student Deyang Kong of Chongqing University for his support.

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Published Online: 2021-04-29

© 2021 Walter de Gruyter GmbH, Berlin/Boston

Articles in the same Issue

  1. Frontmatter
  2. Mechanical testing
  3. Application of 3D digital image correlation for the measurement of the tensile mechanical properties of high-strength steel
  4. Mechanical testing/production-oriented testing/materialography
  5. Comparative study of thermoplastic liner materials with regard to mechanical and permeation barrier properties before and after cyclic thermal aging
  6. Oxidation Behavior at 1173 K of Modified P/M Stainless Steel 316 L by Addition of Cr, Ni, and Cr with Ni
  7. Mechanical testing/Analysis of physical properties
  8. Effect of graphene nanoplatelet filling on mechanical properties of natural fiber reinforced polymer composites
  9. Fatigue testing/Numerical simulations
  10. Fatigue life evaluation of an electrically driven shuttle frame using finite element analysis
  11. Component-oriented testing and simulation
  12. Conceptual comparison of the ecogeography-based algorithm, equilibrium algorithm, marine predators algorithm and slime mold algorithm for optimal product design
  13. Fracture mechanics testing/numerical simulations
  14. Thermo-mechanical analysis of a FGM plate subjected to thermal shock – A new numerical approach considering real time temperature dependent material properties
  15. Mechanical testing/materialography/chemical resistance testing
  16. Mechanical properties of Al-Cu/B4C and Al-Mg/B4C metal matrix composites
  17. Component-oriented testing and simulation
  18. Comparision of the political optimization algorithm, the Archimedes optimization algorithm and the Levy flight algorithm for design optimization in industry
  19. Materialography
  20. Surface modification of a magnesium alloy by electrical discharge coating with a powder metallurgy electrode
  21. Materialography
  22. Characterization of mechanically alloyed Fe based and MoNiAl+Al2O3 reinforced composites
  23. Mechanical testing/Chemical resistance testing
  24. Optimization of flexural and impact properties of r-LDPE-DPWF composite for printer parts production
  25. Component-oriented testing and simulation
  26. Evaluation methods for estimation of Weibull parameters used in Monte Carlo simulations for safety analysis of pressure vessels
  27. Materials testing for welding and additive manufacturing applications
  28. Comparison of ANN and RSM modeling approaches for WEDM process optimization
https://doi.org/10.1515/mt-2020-0044
Keywords for this article
3D digital image correlation; High-strength steel; Mechanical properties; Stress strain curves; Ultimate tensile strength

Articles in the same Issue

  1. Frontmatter
  2. Mechanical testing
  3. Application of 3D digital image correlation for the measurement of the tensile mechanical properties of high-strength steel
  4. Mechanical testing/production-oriented testing/materialography
  5. Comparative study of thermoplastic liner materials with regard to mechanical and permeation barrier properties before and after cyclic thermal aging
  6. Oxidation Behavior at 1173 K of Modified P/M Stainless Steel 316 L by Addition of Cr, Ni, and Cr with Ni
  7. Mechanical testing/Analysis of physical properties
  8. Effect of graphene nanoplatelet filling on mechanical properties of natural fiber reinforced polymer composites
  9. Fatigue testing/Numerical simulations
  10. Fatigue life evaluation of an electrically driven shuttle frame using finite element analysis
  11. Component-oriented testing and simulation
  12. Conceptual comparison of the ecogeography-based algorithm, equilibrium algorithm, marine predators algorithm and slime mold algorithm for optimal product design
  13. Fracture mechanics testing/numerical simulations
  14. Thermo-mechanical analysis of a FGM plate subjected to thermal shock – A new numerical approach considering real time temperature dependent material properties
  15. Mechanical testing/materialography/chemical resistance testing
  16. Mechanical properties of Al-Cu/B4C and Al-Mg/B4C metal matrix composites
  17. Component-oriented testing and simulation
  18. Comparision of the political optimization algorithm, the Archimedes optimization algorithm and the Levy flight algorithm for design optimization in industry
  19. Materialography
  20. Surface modification of a magnesium alloy by electrical discharge coating with a powder metallurgy electrode
  21. Materialography
  22. Characterization of mechanically alloyed Fe based and MoNiAl+Al2O3 reinforced composites
  23. Mechanical testing/Chemical resistance testing
  24. Optimization of flexural and impact properties of r-LDPE-DPWF composite for printer parts production
  25. Component-oriented testing and simulation
  26. Evaluation methods for estimation of Weibull parameters used in Monte Carlo simulations for safety analysis of pressure vessels
  27. Materials testing for welding and additive manufacturing applications
  28. Comparison of ANN and RSM modeling approaches for WEDM process optimization
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