Impact penetration studies of graphite/epoxy laminatesA study was conducted to provide an initial insight into the role of the matrix in impact energy absorption of graphite/epoxy laminates. A single epoxy system, NARMCO 5208, in both composite and cured neat-resin form was studied with a constant velocity impact test apparatus. The parameters investigated include resin cure temperature, fiber type, ply thickness and orientation, and impact velocity. The results from the study show that matrix chemistry, as obtained by cure temperature changes, has a significant effect upon the failure mode and energy absorption during impact.
Document ID
19810059228
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Sykes, G. F. (NASA Langley Research Center Hampton, VA, United States)
Stoakley, D. M. (Kentron International, Inc. Hampton, VA, United States)
Date Acquired
August 11, 2013
Publication Date
January 1, 1980
Subject Category
Composite Materials
Meeting Information
Meeting: National Technical Conference on Materials 1980