Digital Image Correlation (DIC)

Image of Digital Image Correlation test equipment

Digital Image Correlation (DIC) is a 3D full-field, non-contact optical technique to measure contour, deformation, vibration and strain on almost any material. The technique can be used with many tests including tensile, torsion, bending and combined loading for both static and dynamic applications. The method can be applied from very small (micro) to large testing areas – and the results are readily comparable with FEA results or strain gauges.

Key Features:

  • 3D Full-field, Real-time display of displacement and strain overlaid on live image
  • Real-Time Correlation with analog voltage output – evaluate, display and output data in real-time for interfacing with other equipment
  • Multi-camera system for up to 360 degree measurement around an object and simultaneous front and back side measurements (thinning)
  • Measurement area < 1mm up to several square meters
  • Fast and easy automatic calibration procedure
  • Online feedback of accuracy and quality
  • All data with a confidence margin (error approximation)
  • Full access to data using an open data format
  • Synchronous recording of analog data
  • Extended export to FEA software for comparisons
  • Different coordinate systems
  • High speed cameras up to 1,000,000 frames/sec

DIC Solutions

 

DIC Standard 3D

The Q-400 system is used for determination of three-dimensional material properties in tensile, torsion, bending or combined tests
 

DIC Handheld

The Q-480 is a fully portable optical measuring instrument for analysis of displacements and strains on large industrial components and structures
 

MicroDIC

The Q-400 μDIC system is specially designed for measurement of warpage and thermal expansion within the micro-electronics and components industry
 

DIC TCT

The Q-400 TCT system is designed for complete three-dimensional and highly sensitive warpage, thermal expansion, and strain analysis
 

DIC High-Speed

Based on the digital image correlation technique, the Q-450 system is designed for full-field vibration analysis and high speed transient events
 

Videoextensometer RTSS

The Videoextensometer RTSS system measures the longitudinal and transversal strain during materials tests

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AUTHOR(S)

Thorsten Siebert, Matt J. Crompton

YEAR

2010

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