Ottenbecker Damm 12
21684 Stade, de
7th International CFK-Valley Stade Convention, 11-12 June 2013!
At a View:
- 11-12 June 2013, Stade (Germany)
- central platform for technical exchange on highest level in the field of CFRP-Technology
- more than 30 30 top-notch speakers
- 450 international experts on CFRP will give their lectures on the international expert conference on the
- Topic 2013: "Latest Innovations in CFRP Technology" Get to know more about speakers, lectures and different sessions
- limited exhibition booths available -> http://www.cfk-convention.com/exhibitors
- Information & Reservation: firstname.lastname@example.org
Program Abstract | 11 June 2013 - Session "INDUSTRIALIZATION"
"Quality Assurance along the value added chain
- Nondestructive Testing of Fabrics, Preforms and CFRPs by Eddy Current Imaging"
Prof. Dr. Henning Heuer, Fraunhofer Institute for Nondestructive Testing - Dresden branch IZFP-D (Dresden)
Within the framework of his lecture at the 7th International CFK-Valley Stade Convention, 11-12 June, the CFK-Valley experts talked to Prof. Heuer to learn more about this topic.
"Hidden defects that arise early in the production step may have far-reaching consequences with a high risk of damage progression and even increased costs as products have to be discarded after machining. The final component tests are usually performed with ultrasonic, X-ray or thermograph methods close to the final product stage and without the possibility for repair. With exact knowledge of the semi finished product quality, process parameters can be adjusted in time to reduce rejects resulting from defects. If missing or misaligned fibre bundles are detected inline, the machine can be stopped and readjusted resulting in less material wastage.
In addition, subsequent process steps can be controlled by utilising the incoming product quality data e.g. gaps between fibre bundles will influence the behavior during polymer or resin infiltration, so by knowing the gaps size and density, the infiltration parameters can by adapted. Also, for Non Crimp Carbon Fabric production, the properties of the raw material may be aligned to the cut out process for later component assembly in order to increase yield." explained Heuer and further "Carbon fiber based materials show a low electrical conductivity, which is sufficient enough to measure deviations in the material by using Eddy Current techniques. By scanning with and induction coil or by using a high resolving array the material information can be acquired without contact the surface. (...)
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