Mixed-mode I plus II fracture characterisation of a honeycomb/carbon-epoxy sandwich panel using the asymmetric single-leg bending test

Article Engineering, Mechanical

Mode II fracture characterisation of a honeycomb/carbon-epoxy sandwich panel using the asymmetric end-notched flexure test

R. D. F. Moreira et al.

Summary: The objective of this study was to determine the fracture energy of a honeycomb/carbon-epoxy sandwich panel under mode II loading using the AENF test. Experimental tests and numerical analyses were conducted to validate the procedures, with a simplified data reduction scheme developed to determine Resistance-curves using only load-displacement data. The proposed methodology was found to be suitable for characterizing mode II fracture in composite sandwich panels with debonding failure.

JOURNAL OF SANDWICH STRUCTURES & MATERIALS (2022)

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Article Engineering, Mechanical

Determination of the fracture energy under mode I loading of a honeycomb/carbon-epoxy sandwich panel using the asymmetric double cantilever beam test

Marcelo F. S. F. de Moura et al.

Summary: The ADCB test was used to measure the fracture energy of a honeycomb/carbon-epoxy sandwich panel under mode I loading. A data reduction scheme was developed based on equivalent crack length theory, and the experimental Resistance-curves were obtained without crack length monitoring. Additionally, a mode partitioning methodology based on cohesive zone modeling was adopted to estimate the fracture energy under mode I loading.

JOURNAL OF SANDWICH STRUCTURES & MATERIALS (2022)

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Review Materials Science, Composites

A review of the recent trends on core structures and impact response of sandwich panels

Quanjin Ma et al.

Summary: This review paper focuses on the core structural trends and impact response of sandwich panels, highlighting the importance of different types of core structures in structural performance and applications. It also discusses the applications of sandwich panels under different loading conditions and the research on novel core structures.

JOURNAL OF COMPOSITE MATERIALS (2021)

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Article Mechanics