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ASTM Selected Technical Papers
Composite Materials: Testing and Design (Third Conference)
By
SY Elliott
SY Elliott
1
Douglas Aircraft Company
, Long Beach, Calif. 90846
; symposium chairman
.
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ISBN-10:
0-8031-0308-5
ISBN:
978-0-8031-0308-5
No. of Pages:
683
Publisher:
ASTM International
Publication date:
1974
eBook Chapter
Methods of Fiber and Void Measurement in Graphite/Epoxy Composites
By
E Cilley
,
E Cilley
1
Organic Materials Laboratory, Army Materials and Mechanics Research Center
, Watertown, Mass. 02172
.
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D Roylance
,
D Roylance
1
Organic Materials Laboratory, Army Materials and Mechanics Research Center
, Watertown, Mass. 02172
.
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N Schneider
N Schneider
1
Organic Materials Laboratory, Army Materials and Mechanics Research Center
, Watertown, Mass. 02172
.
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Page Count:
13
-
Published:1974
Citation
Cilley, E, Roylance, D, & Schneider, N. "Methods of Fiber and Void Measurement in Graphite/Epoxy Composites." Composite Materials: Testing and Design (Third Conference). Ed. Berg, C, McGarry, F, & Elliott, S. 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959 : ASTM International, 1974.
Download citation file:
A variety of experimental procedures for measuring composite fiber and void content has been evaluated, including resin removal by sulfuric acid digestion, water takeup, and quantitative microscopy. These techniques were applied to a series of graphite/epoxy laminates; a comparison of the results showed the more convenient resin-removal method to be sufficiently precise unless spatial distributions of the constituents are required, in which case microscopy is indicated.
References
1.
Broutman
, L.J.
and Krock
, R.H.
, Modern Composite Materials
, Addison-Wesley
, Reading, Mass.
, 1967
.2.
Sands
, A.G.
, Clark
, R.C.
, and Kohn
, E.J.
, “Microvoids in Glass-Filament Wound Structures: Their Measurement, Minimization, and Correlation with Interlaminar Shear Strength
,” NRL Report 6498, Naval Research Laboratory
, Washington, D.C., 03
1967
.3.
Olster
, E.F.
, “Effect of Voids on Grahpite Fiber Reinforced Composites
,” Final Report, Contract N00019-71-C-0305, U. S. Naval Air Systems Command, Washington, D.C., 1972
.4.
Lenoe
, E.M.
and Slepetz
, J.
, “Effects of Voids in Graphite Epoxy Composites
,” Army Materials and Mechanics Research Center
, Watertown, Mass., to be published.5.
Fried
, N.
in Mechanics of Composite Materials
, Wendt
F.W.
et al, Eds., Pergamon Press
, New York
, 1970
, pp. 813–840.6.
Herrmann
, W.
, Journal of Applied Physics
0305-4470, Vol. 40
, No. 6
, 05
1969
, pp. 2490–2499.7.
Lenoe
, E.M.
, “The Effect of Voids on the Mechanical Properties of High Modulus Graphite Fiber/Epoxy-Reinforced Composites
,” AVSD-0170-70-RR, Avco Corp.
Systems Division, Lowell, Mass., 03
1970
.8.
“
Test Methods
,” Courtaulds, Ltd.
, Carbon Fibres Unit, Coventry, England, 08
1970
.9.
Howard
, R.T.
and Cohen
, M.
, Transactions
, American Institute of Mining and Metallurgical Engineers, Vol. 172
, 1947
, pp. 413–426.10.
Hilliard
, J.E.
and Cahn
, J.W.
, Transactions
0543-5722, Metallurgical Society of AIME, Vol. 221
, 04
1961
, pp. 334–352.
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