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Title: Rate dependent response and failure of a ductile epoxy and carbon fiber reinforced epoxy composite

Abstract

An extensive characterization suite has been performed on the response and failure of a ductile epoxy 55A and uniaxial carbon fiber reinforced epoxy composite of IM7 fibers in 55A resin from the quasistatic to shock regime. The quasistatic and intermediate strain rate response, including elastic modulus, yield and failure have are characterized by quasistatic, SHPB, and DMA measurements as a function of fiber orientation and temperature. The high strain rate shock effect of fiber orientation in the composite and response of the pure resin are presented for plate impact experiments. It has previously been shown that at lower impact velocities the shock velocity is strongly dependent on fiber orientation but at higher impact velocity the in-plane and through thickness Hugoniots converge. The current results are compared with previous studies of the shock response of carbon fiber composites with more conventional brittle epoxy matrices. The spall response of the composite is measured and compared with quasistatic fracture toughness measurements.

Authors:
 [1];  [1];  [1];  [1]
  1. Los Alamos National Laboratory
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1024351
Report Number(s):
LA-UR-10-01814; LA-UR-10-1814
TRN: US201119%%313
DOE Contract Number:  
AC52-06NA25396
Resource Type:
Conference
Resource Relation:
Conference: SEM ; June 7, 2010 ; Indianapolis IN
Country of Publication:
United States
Language:
English
Subject:
36; CARBON FIBERS; FIBERS; COMPOSITE MATERIALS; FRACTURE PROPERTIES; MATRICES; ORIENTATION; PLATES; REINFORCED MATERIALS; RESINS; STRAIN RATE; THICKNESS; VELOCITY

Citation Formats

Brown, Eric N, Rae, Philip J, Dattelbaum, Dana M, and Stahl, David B. Rate dependent response and failure of a ductile epoxy and carbon fiber reinforced epoxy composite. United States: N. p., 2010. Web.
Brown, Eric N, Rae, Philip J, Dattelbaum, Dana M, & Stahl, David B. Rate dependent response and failure of a ductile epoxy and carbon fiber reinforced epoxy composite. United States.
Brown, Eric N, Rae, Philip J, Dattelbaum, Dana M, and Stahl, David B. Fri . "Rate dependent response and failure of a ductile epoxy and carbon fiber reinforced epoxy composite". United States. https://www.osti.gov/servlets/purl/1024351.
@article{osti_1024351,
title = {Rate dependent response and failure of a ductile epoxy and carbon fiber reinforced epoxy composite},
author = {Brown, Eric N and Rae, Philip J and Dattelbaum, Dana M and Stahl, David B},
abstractNote = {An extensive characterization suite has been performed on the response and failure of a ductile epoxy 55A and uniaxial carbon fiber reinforced epoxy composite of IM7 fibers in 55A resin from the quasistatic to shock regime. The quasistatic and intermediate strain rate response, including elastic modulus, yield and failure have are characterized by quasistatic, SHPB, and DMA measurements as a function of fiber orientation and temperature. The high strain rate shock effect of fiber orientation in the composite and response of the pure resin are presented for plate impact experiments. It has previously been shown that at lower impact velocities the shock velocity is strongly dependent on fiber orientation but at higher impact velocity the in-plane and through thickness Hugoniots converge. The current results are compared with previous studies of the shock response of carbon fiber composites with more conventional brittle epoxy matrices. The spall response of the composite is measured and compared with quasistatic fracture toughness measurements.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2010},
month = {1}
}

Conference:
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