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Compression after impact testing of carbon fiber reinforced plastic laminates

Hosur, MV and Murthy, CRL and Ramurthy, TS (1999) Compression after impact testing of carbon fiber reinforced plastic laminates. In: Journal of Composites Technology & Research, 21 (2). pp. 51-64.

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Carbon fiber reinforced plastic (CFRP) composite laminates are susceptible for multiple delaminations, which reduce the compressive strength significantly even when the impact load is insufficient to cause visible damage. The post-impact compression test is used widely to assess the relative performance of different composite laminates with different fiber matrix combinations. In the present work, CFRP (T300/914) laminates were subjected to low-velocity impact loading simulating tool drops and runway debris. Compression after impact (CAI) tests were performed using fixtures as per NASA specifications. Results obtained indicate definite correlation between impact energy, failure strain, and residual compressive strength.

Item Type: Journal Article
Publication: Journal of Composites Technology & Research
Publisher: ASTM International
Additional Information: Copyright of this article belongs to ASTM International.
Keywords: Composites;Low-velocity impact;Compression-after-impact;Residual strength; failure strain.
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Date Deposited: 01 Jun 2009 09:39
Last Modified: 01 Jun 2009 09:39
URI: http://eprints.iisc.ac.in/id/eprint/18224

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