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Flexural behavior of 3D printed honeycomb sandwich structures with waste filler material

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Veröffentlicht/Copyright: 22. September 2016
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Materials Testing
Aus der Zeitschrift Materials Testing Band 58 Heft 10

Abstract

In this study, the flexural behavior of filled and unfilled honeycomb structures was experimentally examined. As filler material, waste materials of the furniture and marble industry were used. In this context, effects of the wastes of the furniture industry (i. e., pine sawdust) and of the marble industry (i. e., travertine powder) on the flexural behaviors of honeycomb structures were investigated by the three point flexural test. Honeycomb specimens were produced by using PLA plastic material in a 3D printer by rapid prototyping techniques. By changing cell sizes of the honeycomb structures used in the flexural tests, the relation between the waste filler materials and the cell size was also investigated. The flexural behavior of unfilled honeycomb specimens was at maximum for the specimens with small cell size. In the honeycomb structures filled with waste material, it was determined that the flexural loads of small cell sized specimens were decreased by approx. 10 % while the flexural loads of big cell sized specimens were increased by approx. 10 %. As a result, it was found that the flexural behavior of unfilled honeycomb structures with big cells which have low flexural behavior could be increased using waste filler material.

Kurzfassung

In der diesem Beitrag zugrunde liegenden Studie wurde die Flexibilität von gefüllten und leeren Wabenstrukturen experimentell untersucht. Als Füllmaterial wurden Abfallstoffe der Möbel- und Marmorindustrie (Piniensägestaub bzw. Kalksinterpulver) verwendet. In diesem Zusammenhang wurden die Auswirkungen von Abfällen in Form des Piniensägestaubes der Möbelindustrie und in Form des Kalksinterpulvers der Mamorindustrie auf die Flexibilität der Wabenstrukturen mit dem Dreipunkt-Biegetest ermittelt. Die Wabenstrukturproben wurden mittels eines PLA-Kunststoffes in einem 3D-Drucker mittels Rapid-Prototyping-Technologien hergestellt. Unter Veränderung der Zellgrößen der in den Flexibilitätstests verwendeten Wabenstrukturen wurde auch die Relation zwischen den Abfallfüllstoffen und der Zellgröße untersucht. Die maximale Flexibilität der nicht gefüllten Wabenstrukturen zeigte sich bei den Proben mit geringer Zellgröße. In den mit Abfallstoffen gefüllten Wabenstrukturen wurde ermittelt, dass die Biegelasten von Proben mit kleiner Zellgröße um etwa 10 % herabgesetzt wurden, während die Biegelasten der Proben mit großer Zellgröße um etwa 10 % anstiegen. Als ein Ergebnis wurde herausgefunden, dass die Flexibilität der nicht gefüllten Wabenstrukturen mit großen Zellen, die eine niedrige Flexibilität haben, mittels der Befüllung mit Abfallstoffen gesteigert werden kann.

*Correspondence Address, Associate Prof. Dr. Volkan Kovan, Mechanical Engineering Department, Akdeniz University, 07058 Antalya, Turkey, E-mail:

Dr. Gurkan Altan, born in 1976, received his BSc from the Dokuz Eylul University, Izmir, Turkey and his MSc and PhD from the Pamukkale University, Denizli, Turkey. He is Associate Professor in the Department of Mechanical Engineering, Engineering Faculty of Pamukkale University.

Dr. Volkan Kovan, born in 1978, received his BSc, MSc and PhD from the Pamukkale University, Denizli, Turkey. He is Associate Professor in the Department of Mechanical Engineering at Akdeniz University, Antalya, Turkey. Prior to joining Akdeniz University in 2010, he was Assistant Professor at Pamukkale University.

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Published Online: 2016-09-22
Published in Print: 2016-10-04

© 2016, Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Inhalt/Contents
  2. Contents
  3. Fachbeiträge/Technical Contributions
  4. Direction-dependent mechanical characterization of cellulose-based composite vulcanized fiber
  5. Inverse analysis and DIC as tools to determine material parameters in isotropic metal plasticity models with isotropic strain hardening
  6. High temperature Gleeble microtensile testing of metallic micro specimens
  7. Flexural behavior of 3D printed honeycomb sandwich structures with waste filler material
  8. Determination of the stress concentration factor (Kt) in a rectangular plate with a hole under tensile stress using different methods
  9. Acicular ferrite nucleation as a diffusion controlled process in high strength low alloyed (HSLA) steel weld metal
  10. Formability of automotive steels using forming limit diagrams
  11. Super hard WC-Cr composite coatings: An approach to potential wear applications
  12. Application of carbon reinforced composites and rapid prototyping in low volume automotive production
  13. Characterization of delaminations in composite laminates by laser ultrasonics
  14. Comparison of concepts for a point-shaped energy density detector after flash lamp excitation
  15. Untersuchungen zur Beständigkeit von Dichtungswerkstoffen unter dem Einfluss von Kraftstoffen und Heizöl mit biogenen Anteilen
  16. Rapid expansion of TiO2 layers processed by supercritical solutions for dye sensitized solar cell applications
  17. Effect of nanoclay on the mechanical behavior of epoxy composites
  18. Acoustic emission testing of the machining performance of SiC grinding wheel shaped Al2O3 ceramics
https://doi.org/10.3139/120.110927

Artikel in diesem Heft

  1. Inhalt/Contents
  2. Contents
  3. Fachbeiträge/Technical Contributions
  4. Direction-dependent mechanical characterization of cellulose-based composite vulcanized fiber
  5. Inverse analysis and DIC as tools to determine material parameters in isotropic metal plasticity models with isotropic strain hardening
  6. High temperature Gleeble microtensile testing of metallic micro specimens
  7. Flexural behavior of 3D printed honeycomb sandwich structures with waste filler material
  8. Determination of the stress concentration factor (Kt) in a rectangular plate with a hole under tensile stress using different methods
  9. Acicular ferrite nucleation as a diffusion controlled process in high strength low alloyed (HSLA) steel weld metal
  10. Formability of automotive steels using forming limit diagrams
  11. Super hard WC-Cr composite coatings: An approach to potential wear applications
  12. Application of carbon reinforced composites and rapid prototyping in low volume automotive production
  13. Characterization of delaminations in composite laminates by laser ultrasonics
  14. Comparison of concepts for a point-shaped energy density detector after flash lamp excitation
  15. Untersuchungen zur Beständigkeit von Dichtungswerkstoffen unter dem Einfluss von Kraftstoffen und Heizöl mit biogenen Anteilen
  16. Rapid expansion of TiO2 layers processed by supercritical solutions for dye sensitized solar cell applications
  17. Effect of nanoclay on the mechanical behavior of epoxy composites
  18. Acoustic emission testing of the machining performance of SiC grinding wheel shaped Al2O3 ceramics
Heruntergeladen am 18.4.2026 von https://www.degruyterbrill.com/document/doi/10.3139/120.110927/html
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