Kumar, Suresh M and Ambresha, A and Ranganath, VR and Kishore, K (2014) On the Utility of Microscopy and C-Scan Techniques in the Study of Defects Arising From Resin Infusion Process and a Study on the Influence of Voids on the Impact Behavior of CFRP Composites. In: PRAKTISCHE METALLOGRAPHIE-PRACTICAL METALLOGRAPHY, 51 (5). pp. 353-366.
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Carbon Fiber Reinforced Plastic composites were fabricated through vacuum resin infusion technology by adopting two different processing conditions, viz., vacuum only in the first and vacuum plus external pressure in the next, in order to generate two levels of void-bearing samples. They were relatively graded as higher and lower void-bearing ones, respectively. Microscopy and C-scan techniques were utilized to describe the presence of voids arising from the two different processing parameters. Further, to determine the influence of voids on impact behavior, the fabricated +45 degrees/90 degrees/-45 degrees composite samples were subjected to low velocity impacts. The tests show impact properties like peak load and energy to peak load registering higher values for the lower void-bearing case where as the total energy, energy for propagation and ductility indexes were higher for the higher void-bearing ones. Fractographic analysis showed that higher void-bearing samples display lower number of separation of layers in the laminate. These and other results are described and discussed in this report.
| Item Type: | Journal Article |
|---|---|
| Publication: | PRAKTISCHE METALLOGRAPHIE-PRACTICAL METALLOGRAPHY |
| Additional Information: | Copyright for this article belongs to the CARL HANSER VERLAG, KOLBERGERSTRASSE 22, POSTFACH 86 04 20, D-81679 MUNICH, GERMANY |
| Department/Centre: | Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy) |
| Date Deposited: | 14 Dec 2014 11:04 |
| Last Modified: | 14 Dec 2014 11:04 |
| URI: | http://eprints.iisc.ac.in/id/eprint/50453 |
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