The 3D High-Speed Image Correlation System
Q-450 allows the full-field, non-contact and three-dimensional dynamic
measurement of shape, displacements and strains on components and structures
made from almost any material. Based on the digital image correlation
technique, the Q-450 system is designed for full-field vibration analysis and
high speed transient events. This makes it ideal for ballistics testing,
fracture mechanics, shock excitations, the Hopkinson Bar test, or Impact
Testing.
Dynamic Measurement Range
The system uniquely combines the high spatial
resolution of full-field optical measurements with high temporal resolution.
The dynamic range is from static to more than 100,000 Hz, with the capability
to measure displacements from the micron to meter range. The resolution is
typically around 1 micron and 0.01% strain. The system can be used for objects
of any size by simply changing the optical lenses. Various extensions and
application accessories allow the easy use of the Digital 3D-Correlation System
Q-450 in different experiments.
Easy Calibration
All system parameters are determined by a fast
and easy calibration procedure; simply position a calibration plate in front of
the cameras. The achieved calibration accuracy is displayed on screen after the
calibration.
A Wide Range of Applications
The Q-450’s flexible design opens up a wide range of applications from microscopic investigations on microelectronic or biomedical materials up to large scale measurements of aerospace, automotive, marine and railway components.
Material testing (Young’s Modulus, Poisson’s Ratio, Elasto-Plastic Behavior)
Fracture mechanics
FEA Validation
Harmonic or Transient events
Flexible export functionality
More Features
Small and compact, supplied in a single Pelicase
Notebook control optional for increased portability
Different light sources for extremely short exposure times
Single software package for everything
All data delivered with a confidence margin (error approximation)
Automatic, interactive calibration procedure
Open data format for full access to data
Individual definition of reference steps without reprocessing the data
Synchronous recording of 8 channels of analog data up to 500 kHz
Different high speed cameras 500 – 1,000,000 frames/sec
Measurement Principle
Digital Image Correlation (DIC) is a full-field image analysis method, based on grey value digital images, that can determine the contour and the displacements of an object under load in three dimensions.
Illumination systems vary in wavelength, illuminance output and optics. The selection of the most appropriate system is dependent on the measurement test application.
The DIC Basic User Training Course 1.0 is the latest edition to Dantec Dynamics‘ eLearning courses. Users can now can get complete, unlimited access to this training course, anytime & anywhere
DIC uses a contrasting, speckle pattern as the information source for the correlation algorithm. The performance of the correlation is, among other things, dependent on the quality of the speckle pattern.
VDI/VDE 2626 is a standard practise that describes a general procedure for performing an accetptance & interim check for a stereoscopic Digital Image Correlation (DIC) setup.
For todays demands on highest reliability, durability and environmental performance of machines, electronics or mechanical components, static measurements…
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