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Andrew, Jefferson
- Acoustic Emission Based Monitoring of Cut-Out Geometry Effects in Carbon/Epoxy Laminates under Uni-Axial Compression
Abstract Views :349 |
PDF Views:109
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1 Department of Aerospace Engg., Madras Institute of Technology, Anna University, Chennai, IN
1 Department of Aerospace Engg., Madras Institute of Technology, Anna University, Chennai, IN
Source
International Journal of Vehicle Structures and Systems, Vol 6, No 1-2 (2014), Pagination: 17-23Abstract
In this paper, symmetric cross ply CFRP laminates were fabricated using hand layup with LY556 epoxy resin as matrix and the specimens were cut without cut-out, with circular, vertical elliptical and horizontal elliptical cut-outs according to the ASTM D 7137 standard using water jet cutting. The CFRP specimens with and without cut-outs were subjected to compression under controlled condition accompanied by acoustic emission (AE) monitoring. The ultimate compressive strength for specimens with and without cut-outs were determined and compared. The optimum cut-out with lesser reduction in compressive strength was determined. The nature and dominance of different failure modes in each type of cut-out were investigated using AE. Finally the result gives useful information about improved design of laminated composites with cut-outs suitable for different applications.Keywords
CFRP, Cut-outs, Acoustic Emission, Peak Frequency Analysis, Compression Test.- Effect of Multiple Impacts on GFRP Laminates Exposed to Hydrolytic Ageing Using Acoustic Emission Monitoring
Abstract Views :192 |
PDF Views:120
Authors
Affiliations
1 Dept. of Aeronautical Engg., SKP Engineering College, Tiruvannamalai, IN
2 Dept. of Aeronautical Engg., Hindustan University, Chennai, IN
3 Department of Aerospace Engg., Madras Institute of Technology, Anna University, Chennai, IN
1 Dept. of Aeronautical Engg., SKP Engineering College, Tiruvannamalai, IN
2 Dept. of Aeronautical Engg., Hindustan University, Chennai, IN
3 Department of Aerospace Engg., Madras Institute of Technology, Anna University, Chennai, IN