Research Center for Non Destructive Testing
| Research Center for Non Destructive Testing
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| legal form | GmbH (Austria) |
| founding | 2008 (legal form, non- contact sensor research department 2001) |
| Seat | Linz , Austria |
| management | Peter Burgholzer |
| Branch | Basic research, applied research, development, consulting |
| Website | www.recendt.at |
The Research Center for Non Destructive Testing GmbH ( RECENDT ) is an internationally recognized research center for material characterization and non-destructive testing .
The public / university- related company is operated in cooperation between the Province of Upper Austria , the Johannes Kepler University Linz and the Upper Austria University of Applied Sciences .
History and organization
The research facility was founded in 2001 as the Contactless Sensor Technology Department of Upper Austrian Research GmbH (UAR), the state research funding organization of Upper Austria. With the restructuring until 2009 (reduction to the core competence of the UAR), the institute became independent as RECENDT GmbH in 2008.
The shareholders are Upper Austrian Research GmbH with 74%, Johannes Kepler University Linz with 20% and FH Upper Austria Research & Development GmbH with 6%.
In 2009, RECENDT was the only non-university institute to be awarded the contract for the Christian Doppler Laboratory (for photoacoustics and laser ultrasound).
Research fields
RECENDT researches, develops and implements customer-specific, tailor-made high-tech solutions in the field of material characterization and non-destructive material testing . RECENDT's range of services includes the entire research and development process chain from application-oriented basic research to the development of the latest device technologies for use in industry.
RECENDT researches and develops opto-acoustic measurement methods for problems in the field of material characterization, non-destructive material testing and process analysis . An interdisciplinary team of physicists, chemists, mechatronic and development engineers covers the entire field of intelligent sensor technology .
The company is a partner in several national and international research projects, for example in the COMET program of the federal government. Funded projects such as the K-projects Process Analytical Chemistry (PAC) for the further development of the methods of process analysis , and non- destructive testing and tomography (ZPT), and EU projects such as ENCOMB (Extended Non-Destructive Testing of Composite Bonds ) or InsideFood for non-destructive testing of food .
RECENDT's range of services is located within the strengths of the Upper Austrian research landscape in the areas of mechatronics / process automation , innovative materials / lightweight construction and life science .
Infrared Spectroscopy
By detecting changes in the spectrum of light in the infrared wavelength range, detailed information about the presence and binding character of functional groups in the sample can be obtained. This makes the technology of infrared spectroscopy an important analytical method for the identification and characterization of unknown samples as well as for the investigation of interactions between different compounds. In addition to substance concentration, mixture composition and progress of the reaction in a production process, physical parameters such as density, conductivity and degrees of cure e.g. B. be determined by paints. This method is therefore used for the quantitative and qualitative analysis of the composition of solids, liquids and gases, and is used in process monitoring / process analysis and quality control in the industrial sector. In the industrial environment, the spectral range of short-wave infrared light, i.e. near -infrared spectroscopy, is mainly used because the necessary technical requirements v. a. regarding fiber optics and light sources are relatively easy to implement here.
Optical coherence tomography
The optical coherence tomography (OCT) is an optical measuring and imaging method, which offers the possibility, by means of infrared light to make contact and non-destructive cross-sectional images of a sample. The physical principle behind this method is the interferometric superposition of infrared light waves , which are backscattered from different sample depths, with a reference wave. The backscattered intensity contains the depth information of the sample and, after applying mathematical algorithms, can be displayed as a cross-sectional image. Optical coherence tomography is particularly suitable for the analysis of plastics and is used, among other things, as an analysis tool for injection molded parts and glass fiber composites, for measuring the thickness of multilayer films or for determining pores in foams.
In 2013, RECENDT launched the first international symposium for OCT in non-destructive testing - OCT4NDT.
Laser ultrasound
Laser ultrasound is a non-contact method of generating ultrasonic signals in a sample using a laser and detecting them in turn without contact. Conventional ultrasonic measurements have the disadvantage that the sample has to be in direct contact with the measuring apparatus. Laser ultrasound enables fast testing on very hot samples (e.g. glowing steel) or on samples on which contact measurement is not permitted by the test specification, since samples can also be measured at greater distances without coupling agents. Laser ultrasound is particularly suitable for testing components made of metal or composite materials (e.g. CFRP ) and is used, for example, to examine weld seams, determine the wall thickness of plastics or quality control of carbon fiber-reinforced materials in aircraft construction.
Photoacoustic imaging
Short laser pulses (a few nanoseconds long) are used to generate photoacoustic signals . If the laser is absorbed in the object to be imaged, a thermoelastic expansion occurs ( photoacoustic effect ), as a result of which a broadband ultrasonic signal is emitted. A detector records these photoacoustic signals at several positions on the surface of the sample. From such a data set, either sectional images of the object or, using sophisticated reconstruction algorithms, the entire volume can be calculated. This method is used in particular for the display of biomedical samples and for optically partially transparent plastics. Photoacoustic imaging can be used in the industrial sector to examine adhesive bonds in plastic parts, in the medical sector for tumor detection and blood vessel imaging .
Terahertz technology
The terahertz (THz) frequency range is located in the electromagnetic spectrum between microwave and infrared radiation . As an interesting property, THz radiation shows great penetration depths for many non-conductive materials, such as plastics, polymers, composite materials, fabrics or ceramics. Due to the low energies, THz radiation, in contrast to X-rays , is non-ionizing , which means that THz technology has great potential for non-contact and non-destructive material analysis and characterization. Measurements with terahertz signals are particularly suitable for the chemical analysis of packaged substances ( terahertz spectroscopy ) and for image control ( terahertz imaging ) of plastics and other non-conductive materials (crystalline substances such as drugs, explosives or food additives).
Recognitions
- Special prize for research institutions at the 2010 Innovation Prize of the Province of Upper Austria
- OGMA Prize for Jürgen Kasberger's dissertation in 2011
- 3rd place in the Best Young Scientist competition for Armin Hochreiner 2011
Web links
Individual evidence
- ^ Company Research Center for Non Destructive Testing GmbH . Commercial register data Creditreform / firmenabc.at
- ^ Christian Doppler Forschungsgesellschaft, partners from science, accessed on October 15, 2012
- ↑ Participations of Upper Austrian Research ( Memento of the original dated February 2, 2012 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. , accessed October 10, 2012.
- ↑ Research Promotion Agency . COMET , accessed October 15, 2012
- ^ Project PAC , accessed on December 10, 2013
- ↑ together with TU Wien and FH Upper Austria ; K-Projekt ZPT , ernoerungsfrei.at, accessed on October 15, 2012; K project for non-destructive testing and tomography officially opened , tuwien.ac.at/ aktuelles , from February 5, 2010, accessed on November 7, 2012
- ↑ ENCOMB. Consortium. ( Memento of the original from August 13, 2013 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. Retrieved October 15, 2012
- ↑ Inside Food. Partners ( Memento of the original from December 13, 2013 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. & EU project Inside Food. ( Memento of the original from January 7, 2016 in the Internet Archive ) Info: The archive link was automatically inserted and not yet checked. Please check the original and archive link according to the instructions and then remove this notice. Both accessed on October 15, 2012
- ^ Upper Austrian Research GmbH. Upper Austrian strengths drive technological development ( memento of the original from January 6, 2014 in the Internet Archive ) Info: The archive link was automatically inserted and not yet checked. Please check the original and archive link according to the instructions and then remove this notice. , accessed October 10, 2012
- ↑ Project data sheet infrared spectroscopy, PDF ( page no longer available , search in web archives ) Info: The link was automatically marked as defective. Please check the link according to the instructions and then remove this notice. , accessed October 8, 2012
- ↑ Project data sheet Non-destructive cross-sectional analysis using optical coherence tomography, PDF ( page no longer available , search in web archives ) Info: The link was automatically marked as defective. Please check the link according to the instructions and then remove this notice. , accessed October 8, 2012
- ↑ OCT4NDT
- ↑ Laser Ultrasound ( Memento of the original from March 4, 2016 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. , accessed October 8, 2012
- ↑ Project data sheet for photacoustic imaging,> PDF ( page no longer available , search in web archives ) Info: The link was automatically marked as defective. Please check the link according to the instructions and then remove this notice. , accessed October 8, 2012
- ↑ Project data sheet Terahertz Technologie, PDF ( Memento of the original from March 4, 2016 in the Internet Archive ) Info: The archive link has been inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. , accessed October 8, 2012
- ↑ TMG. State Prize for Innovation 2010 ( page no longer available , search in web archives ) Info: The link was automatically marked as defective. Please check the link according to the instructions and then remove this notice.
- ↑ Best Young Scientist Award. Armin Hochreiner ( page no longer available , search in web archives ) Info: The link was automatically marked as defective. Please check the link according to the instructions and then remove this notice.
