The conceptual design of components modelled by the constructor needs to be validated by stress tests before used in practice. One of the established test methods is the measurement of deformation using strain gauges, which are attached to critical points of a component. However, apart from the time-consuming preparation, this method only provides little punctual information. At this point, thermo-elastic stress analysis based on high-resolution thermal images offers significantly more advantages. With the help of the latest thermographic cameras, which make use of cooled or uncooled infrared focal plane array detectors with up to 5.2 megapixels, even intricately shaped test objects can be analysed very efficiently and non-invasive. Based on the physical fact that materials show a thermal reaction when deformed, the cameras capture the resulting thermal signatures on the object contactless in just one inspection process. For this purpose, it is periodically stimulated by an external mechanical force, whereby the internal stress distribution can be visualised and analysed almost instantaneously. With the lock-in method, even the smallest thermal reactions of < 1mK can be registered.
In the InfraTec online event “Efficient Material Testing – Non-destructive and Contactless” participants are given an overview of this contactless and non-destructive method. The physical background, the measuring principle and the used technology are presented along with examples.
Online Event: “Efficient Material Testing – Non-destructive and Contactless”
with a technical lecture from thermography practice "Contribution of Thermoelastic Stress Analysis in mechanics of materials and structures: some illustrations."
Speaker: Dr.-Ing. Habil. Vincent Le Saux; École Nationale Supérieure de Techniques Avancées Bretagne
Date: Wednesday, October 26th, 2022 / Time: 4:00 PM – 5:30 PM EDT (22:00 – 23:30 CEST)
Registration: https://register.gotowebinar.com/…
Date: Wednesday, October 26th, 2022 / Time: 3:00 PM – 4:30 PM (CEST)
Registration: https://register.gotowebinar.com/…
Die InfraTec GmbH Infrarotsensorik und Messtechnik wurde 1991 gegründet und hat ihren Stammsitz in Dresden. Das inhabergeführte Unternehmen beschäftigt mehr als 200 Mitarbeiter und verfügt über eigene Entwicklungs-, Fertigungs- und Vertriebskapazitäten.
Mit dem Geschäftsbereich Infrarot-Messtechnik zählt InfraTec zu den führenden Anbietern kommerzieller Wärmebildtechnologie. Neben der High-End-Kameraserie ImageIR® und der Produktfamilie VarioCAM® High Definition bietet das Unternehmen schlüsselfertige thermografische Automationslösungen.
Infrarot-Sensoren mit elektrisch durchstimmbaren Filtern auf MOEMS-Basis zählen neben spektral ein- und mehrkanaligen Infrarot-Detektoren zu den Produkten des Geschäftsbereiches Infrarot-Sensorik. Die Detektoren kommen z. B. bei der Gasanalyse, der Feuer- und Flammensensorik sowie der Spektroskopie zum Einsatz.
InfraTec GmbH Infrarotsensorik und Messtechnik
Gostritzer Str. 61 – 63
01217 Dresden
Telefon: +49 (351) 82876-0
Telefax: +49 (351) 82876-543
http://www.infratec.de
Leiter Vertriebsinnendienst
Telefon: +49 (351) 82876-600
E-Mail: info@infratec.de
