An Experimental-Numerical Approach of the Metallic Insert in CFRP/Honeycomb Sandwich Structures under Normal Tensile Load

Phacharaporn Bunyawanichakul; Patinya Kumsantia; Bruno Castanié

doi:10.4028/www.scientific.net/AMR.399-401.500

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 399-401An Experimental-Numerical Approach of the Metallic...

An Experimental-Numerical Approach of the Metallic Insert in CFRP/Honeycomb Sandwich Structures under Normal Tensile Load

Abstract:

Sandwich structures are widely used in the aerospace field, also for primary parts. However, due to the low strength of core properties, the failure behavior under high stress concentration such as joining position is hard to evaluate. This study is, at present, a key task to enable future exploitation of the joint for structural sandwich consisted of Carbon Fiber Reinforced Polymer (CFRP) face and a Honeycomb core made of phenolic impregnated NomexTM paper. Previous experimental investigations provided the failure mechanism of sandwich plates with hard points in the form of inserts, and special attention is focused on the problem of sandwich panels with inserts of the fully potted types. Numerical simulations are achieved in this work with good correlation based on experimental test.

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Periodical:

Advanced Materials Research (Volumes 399-401)

Pages:

500-505

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.399-401.500

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Online since:

November 2011

Authors:

Phacharaporn Bunyawanichakul, Patinya Kumsantia, Bruno Castanié

Keywords:

Honeycomb, Insert, Joining, Sandwich Structure

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References

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