A comparison of mechanical properties and X-ray tomography analysis of different out-of-autoclave manufactured thermoplastic composites

Saenz-Castillo Gutierrez, Diego and Martin, Maria I and García-Martínez, Vanessa and Ramesh, Abhiram and Battley, Mark and Güemes Gordo, Alfredo (2020). A comparison of mechanical properties and X-ray tomography analysis of different out-of-autoclave manufactured thermoplastic composites. "Journal of Reinforced Plastics And Composites", v. 19 ; ISSN 0731-6844. https://doi.org/10.1177/0731684420924081.

Description

Title: A comparison of mechanical properties and X-ray tomography analysis of different out-of-autoclave manufactured thermoplastic composites
Author/s:
  • Saenz-Castillo Gutierrez, Diego
  • Martin, Maria I
  • García-Martínez, Vanessa
  • Ramesh, Abhiram
  • Battley, Mark
  • Güemes Gordo, Alfredo
Item Type: Article
Título de Revista/Publicación: Journal of Reinforced Plastics And Composites
Date: May 2020
ISSN: 0731-6844
Volume: 19
Subjects:
Freetext Keywords: Thermoplastic composites; microcomputed tomography analysis; mechanical testing; out-of-autoclave; in situ consolidation
Faculty: E.T.S. de Ingeniería Aeronáutica y del Espacio (UPM)
Department: Materiales y Producción Aeroespacial
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Three different out-of-autoclave manufacturing processes of CF/poly-ether-ether-ketone thermoplastic composites were characterized, including innovative laser-assisted automated fibre placement with in situ consolidation. Characterization techniques included differential scanning calorimetry, ultrasonic non-destructive testing and matrix digestion, in addition to 3D X-ray microcomputed tomography to investigate the void distribution, size and shape. The results revealed that in situ consolidation process can lead to the accumulation of large voids between the upper layers. Interlaminar shear, in-plane shear, tensile and flexure testing were used for mechanical evaluation. A reduction in the mechanical properties was observed for in situ consolidation laminates when compared to the other out-of-autoclave methods. The drop in mechanical properties of in situ consolidation laminates was mainly attributed to the differences found in void distribution and size. Optimization of processing parameters along with higher quality prepreg raw material could be of assistance for the improvement of mechanical properties of in situ consolidation structures.

More information

Item ID: 62640
DC Identifier: https://oa.upm.es/62640/
OAI Identifier: oai:oa.upm.es:62640
DOI: 10.1177/0731684420924081
Official URL: https://journals.sagepub.com/doi/10.1177/0731684420924081
Deposited by: Memoria Investigacion
Deposited on: 12 Jan 2022 11:59
Last Modified: 12 Jan 2022 11:59
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