Dynamic and quasi-static deformation of aluminium honeycomb sandwich panel in three point bending

2003 ◽  
Vol 110 ◽  
pp. 705-710 ◽  
Author(s):  
H. Kobayashi ◽  
M. Daimaruya ◽  
Y. Takaya
Keyword(s):  
Sandwich Panel ◽  
Static Deformation ◽  
Three Point Bending ◽  
Honeycomb Sandwich

DETERMINATION OF DELAMINATION SIZE IN HONEYCOMB SANDWICH PANEL USING FINITE ELEMENT METHOD

2015 ◽  
Vol 75 (8) ◽  
Author(s):  
Ramzyzan Ramly ◽  
Wahyu Kuntjoro ◽  
Wirachman Wisnoe ◽  
Rizal Effendy Mohd Nasir ◽  
Aman Mohd Ihsan Mamat ◽  
...  
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Sandwich Panel ◽  
Bending Test ◽  
The Finite Element Method ◽  
Three Point Bending ◽  
Significant Difference ◽  
Honeycomb Sandwich ◽  
Element Method

This paper describes the determination of a relative delamination size of the skin to the honeycomb core of the honeycomb sandwich panel using the Finite Element Method approach. In the analysis, the honeycomb sandwich panel was modelled in the actual dimension using CATIA. The delamination of two different sizes (10 mm diameter and 30 mm diameter) were modelled to simulate the delamination cases. Using Nastran/Patran, the models underwent a three-point-bending test in order to simulate a result. The results were compared between the case of no delamination, 10 mm delamination, and 30 mm delamination. From the simulation, there was a significant difference of displacement of the skin (facing) between the 10 mm diameter delamination and the 30 mm diameter delamination.  

Experimental three-point bending test of glass fibre aluminium honeycomb sandwich panel with acoustic emission damage assessment

2021 ◽  
Vol 63 (12) ◽  
pp. 727-733
Author(s):  
A H Abdulaziz ◽  
J McCrory ◽  
K Holford ◽  
A Elsabbagh ◽  
M Hedaya
Keyword(s):  
Acoustic Emission ◽  
Glass Fibre ◽  
Sandwich Panel ◽  
Matrix Cracking ◽  
Bending Test ◽  
Cumulative Energy ◽  
Frequency Spectra ◽  
Test Load ◽  
Three Point Bending ◽  
Honeycomb Sandwich

Due to their complexity, detecting and analysing damage modes in composite honeycomb sandwich panels can be difficult. This article describes the way in which a three-point bending test (3PBT) was performed on a glass fibre aluminium honeycomb sandwich panel (HSP). Acoustic emission (AE) was used to identify damage signals, which were then analysed to determine the positions and characteristics of defects. To locate damage positions, Delta-T mapping was used. The test load was progressively applied in three phases, with the specimen being inspected visually during each phase. A scanning electron microscope (SEM) showed that the most significant damage was local crushing under the test load, which caused matrix cracking, fibre breakage and pull-out. Damage progression and the damage mode were detected using the cumulative energy and frequency spectra of the AE sources for each phase. Matrix cracking frequencies ranged from 30 kHz to 100 kHz, while fibre damage modes ranged from 157 kHz to 322 kHz. The findings highlighted the utility of Delta-T mapping in locating damage positions on sandwich structures under testing. The investigation also emphasised the value of studying frequency spectra and cumulative energy when analysing AE signals.

Numerical analysis of face sheet buckling for a CFRP/ Nomex honeycomb sandwich panel subjected to bending loading

2021 ◽  
pp. 114037
Author(s):  
Mae Oiwa ◽  
Toshio Ogasawara ◽  
Hajime Yoshinaga ◽  
Tsuyoshi Oguri ◽  
Takahira Aoki
Keyword(s):  
Numerical Analysis ◽  
Sandwich Panel ◽  
Face Sheet ◽  
Honeycomb Sandwich ◽  
Nomex Honeycomb ◽  
Bending Loading

Sound radiation and transmission loss characteristics of a honeycomb sandwich panel with composite facings: Effect of inherent material damping

2016 ◽  
Vol 383 ◽  
pp. 221-232 ◽  
Author(s):  
M.P. Arunkumar ◽  
M. Jagadeesh ◽  
Jeyaraj Pitchaimani ◽  
K.V. Gangadharan ◽  
M.C. Lenin Babu
Keyword(s):  
Sandwich Panel ◽  
Transmission Loss ◽  
Sound Radiation ◽  
Material Damping ◽  
Honeycomb Sandwich

Dynamic Fracture Analysis of Aluminum Honeycomb Sandwich Panel

2006 ◽  
pp. 67-72
Author(s):  
Byung Il Kim ◽  
Byeong Wook Noh ◽  
Young Woo Choi ◽  
Sung In Bae ◽  
Jung Il Song
Keyword(s):  
Dynamic Fracture ◽  
Sandwich Panel ◽  
Fracture Analysis ◽  
Honeycomb Sandwich ◽  
Aluminum Honeycomb
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