New! DVC Software VEDDAC volume for determining 3D deformation fields on CT data.

VEDDAC volume is the new measurement software for the DVC process microDAC® volume. Based on the 3D volume correlation (DVC - Digital Volume Correlation) on radiographic data, deformations and structural changes in the interior of materials and components can be investigated holistically and non-destructively. The device-independent software tool VEDDAC volume is universally applicable, intuitive to use and has special algorithms with which the smallest spatial displacements and strains can be determined and clearly displayed.

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VEDDAC volume - Short introduction

Prospekt download (deutsch) (english)

New process and software development for deformation and damage analysis inside the volume of materials and components

What happens inside materials and components when they are subjected to thermal or mechanical loads?

Deformations and damage occur that can be made visible and quantitatively evaluated in a complete volume using the new microDAC® volume process.

The method is based on volume images of an object under investigation in a reference and a loading condition, which are captured with an X-ray computer tomography system (CT) and analyzed using the digital volume correlation (DVC) method.

Material or component deformations, discontinuities and defects in the material can thus be detected at an early stage and material properties can be better evaluated.

CWM offers these deformation and damage analyses with microDAC® volume as part of its services:

  • DVC evaluation of CT image data from your loading experiments
  • Performance of load experiments (mechanical, thermal) with DVC evaluation of CT image data (in cooperation with Fraunhofer ENAS Chemnitz)

A user-friendly software tool, which can be used to perform DVC analyses yourself, is currently under development.

Flyer - Volume correlation
First presentation of microDAC® volume at "Science meets Industry

January 23, 2019.
at Fraunhofer Institute for Machine Tools and Forming Technology IWU
Reichenhainer Str. 88
09126 Chemnitz, Germany

New! Digital image correlation software VEDDAC 7

With VEDDAC 7, even more precise and reliable surface image analyses can be performed to characterize motion, deformation and failure. VEDDAC 7 adds many new features to the proven VEDDAC 6 version. With its modern, user-friendly and intuitive program interface, VEDDAC 7 offers the user time-effective image evaluation.

microDAC® strain - With highest precision

With our video extensometer microDAC® strain it is possible to determine longitudinal and transverse strain during tensile and compression tests directly on the specimen without time-consuming specimen preparation, e.g. the application of measuring marks or the spraying on of grey value patterns.

In addition to classic applications in tensile/compression testing equipment, microDAC® strain is also optimized for use in automated strain measurement on tensile/compression loaded specimens in the scanning electron microscope (SEM) as well as for loading equipment for micro tensile specimens from Kammrath & Weiss GmbH.

microDAC® strain works with highest precision of accuracy class 0.2 according to DIN EN ISO 9513.

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