Crack Density Evaluation in Carbon Fibre Reinforced Polymers Aged by Thermal Cycling
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S. González
Abstract
The use of composite materials is growing over nowadays, not only in the aerospace industry but also in automotive, construction and sailing sectors. Carbon Fibre Reinforced Polymers (CFRPs) bring lighter structures but with an impressive mechanical behaviour. Therefore, it seems to be important understanding the different degradation processes, especially matrix cracking and delamination.
The aim of this study is to characterize the degradation of CFRPs because of thermal fatigue in different atmospheres. Due to the lack of inspection contrast, a specific method consisting in tomographic characterization and image processing method has been developed. In this way, a complete quantification of the degradation process, in terms of crack and delamination volume, can be performed.
Kurzfassung
Verbundstoffe werden heutzutage nicht nur im Bereich Luft- und Raumfahrt, sondern auch im Fahrzeugbau, in der Baubranche und im Segelsportbereich zunehmend eingesetzt. Kohlenstofffaserverstärkte Polymere (Carbon Fibre Reinforced Polymers, CFRPs) bringen bei beeindruckendem mechanischen Verhalten leichtere Strukturen hervor. Daher erscheint es von Bedeutung, die unterschiedlichen Degradationsprozesse und dabei insbesondere die Rissbildung in der Matrix und die Delamination zu verstehen.
Ziel dieser Untersuchung ist die Charakterisierung der aufgrund thermischer Ermüdung in unterschiedlichen Atmosphären eintretenden Degradationsprozesse in CFRPs. Aufgrund mangelnden Kontrasts bei der Untersuchung wurde ein bestimmtes Verfahren entwickelt, dass sich aus einer tomographischen Charakterisierung und einem Bildverarbeitungsverfahren zusammensetzt. So kann bei Abbauprozessen hinsichtlich des Riss- bzw. Delaminationsvolumens eine vollständige Quantifizierung durchgeführt werden.
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© 2016, Carl Hanser Verlag, München
Artikel in diesem Heft
- Contents/Inhalt
- Contents
- Editorial
- Editorial
- Technical Contributions/Fachbeiträge
- Crack Density Evaluation in Carbon Fibre Reinforced Polymers Aged by Thermal Cycling
- Evaluation of the Diamond Particle Content in Ni-P Nano-Composite Coatings
- Fracture Analysis of High Strength Steel Fastener Used in Separation System of a Satellite Launch Vehicle
- Meeting Diary/Veranstaltungskalender
- Meeting Diary
Artikel in diesem Heft
- Contents/Inhalt
- Contents
- Editorial
- Editorial
- Technical Contributions/Fachbeiträge
- Crack Density Evaluation in Carbon Fibre Reinforced Polymers Aged by Thermal Cycling
- Evaluation of the Diamond Particle Content in Ni-P Nano-Composite Coatings
- Fracture Analysis of High Strength Steel Fastener Used in Separation System of a Satellite Launch Vehicle
- Meeting Diary/Veranstaltungskalender
- Meeting Diary
