Application of digital image correlation for anisotropic plastic deformation during tension testing

Tung, Shih‐Heng; Shih, Ming‐Hsiang; Kuo, Jui Chao

doi:10.1016/j.optlaseng.2009.09.011

Cited by 58 publications

(26 citation statements)

References 17 publications

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“…Nonetheless, the DIC technique gives better visual information about the surface of deformed material. In 2010, Tung et al [95] performed a tensile test on a steel specimen and it appeared that the strain values determined by the strain gauge and the DIC technique were close to each other. In their report, the modulus of elasticity of a steel specimen determined by the DIC technique was equal to 201 GPa, whereas its benchmark value was 206 GPa.…”

Section: Applications Of Digital Image Correlation In Two-dimensionalmentioning

confidence: 95%

A Review of Surface Deformation and Strain Measurement Using Two-Dimensional Digital Image Correlation

Khoo¹,

Karuppanan²,

Tan³

2016

Metrology and Measurement Systems

102

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Among the full-field optical measurement methods, the Digital Image Correlation (DIC) is one of the techniques which has been given particular attention. Technically, the DIC technique refers to a non-contact strain measurement method that mathematically compares the grey intensity changes of the images captured at two different states: before and after deformation. The measurement can be performed by numerically calculating the displacement of speckles which are deposited on the top of object's surface. In this paper, the Two-Dimensional Digital Image Correlation (2D-DIC) is presented and its fundamental concepts are discussed. Next, the development of the 2D-DIC algorithms in the past 33 years is reviewed systematically. The improvement of 2D-DIC algorithms is presented with respect to two distinct aspects: their computation efficiency and measurement accuracy. Furthermore, analysis of the 2D-DIC accuracy is included, followed by a review of the DIC applications for two-dimensional measurements.

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Section: Applications Of Digital Image Correlation In Two-dimensionalmentioning

confidence: 95%

A Review of Surface Deformation and Strain Measurement Using Two-Dimensional Digital Image Correlation

Khoo¹,

Karuppanan²,

Tan³

2016

Metrology and Measurement Systems

102

View full text Add to dashboard Cite

show abstract

“…The deformation due to the load is tracked and measured using the DIC, see Ref. 15, with an accuracy error limited to 0:1%. A digital single-lens re°ex camera of type Canon Eos 550D with a 18-135 mm lens and a F46 lens hood is installed in a distance of 1789 mm, see Fig.…”

Section: Specimenmentioning

confidence: 99%

Identification of System Properties in a Square Frame Undergoing Large Deformations: Numerical and Experimental Investigations

Zenz

Gerstmayr

Nachbagauer

et al. 2014

Int. J. Str. Stab. Dyn.

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Int. J. Str. Stab. Dyn. 2014.14. Downloaded from www.worldscientific.com by UNIVERSITY OF CALIFORNIA @ DAVIS on 02/05/15. For personal use only.identi¯cation algorithm. For this purpose, a numerical model is set up with a beam¯nite element model using the absolute nodal coordinate formulation (ANCF), which enables the modeling of geometrical and possible material nonlinearities. The in°uencing parameters as well as the system properties have been determined by using a genetic optimization algorithm. The impact of the main in°uencing parameter is carved out by an included sensitivity study. Thē nal model with automatically identi¯ed parameters shows high agreement with the experimental setup. With this approach the in°uences and nonlinearities, e.g. material parameters, rigid behavior, real boundary conditions, etc., come up to surface leading to a deeper understanding of the structural behavior of the system itself. Therefore, the present approach can be utilized for further investigations of nonstandard structures undergoing large deformations.

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“…Tung et al [26] investigated the application of DIC for anisotropic plastic deformation of steel during tensile testing. The deformation heterogeneity in terms of the strain map was seen as a broadened band that would be inclined at an angle of 751.…”

Section: Introductionmentioning

confidence: 99%

In-situ strain localization analysis in low density transformation-twinning induced plasticity steel using digital image correlation

Eskandari

Yadegari-Dehnavi

Zarei-Hanzaki

et al. 2015

Optics and Lasers in Engineering

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Application of digital image correlation for anisotropic plastic deformation during tension testing

Cited by 58 publications

References 17 publications

A Review of Surface Deformation and Strain Measurement Using Two-Dimensional Digital Image Correlation

A Review of Surface Deformation and Strain Measurement Using Two-Dimensional Digital Image Correlation

Identification of System Properties in a Square Frame Undergoing Large Deformations: Numerical and Experimental Investigations

In-situ strain localization analysis in low density transformation-twinning induced plasticity steel using digital image correlation

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