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Effect of Ti+, Ar+, N+ and He+ Ion Implantation on Aramid Fiber Adhesive Properties

Published online by Cambridge University Press:  21 February 2011

J. Kalantar ,
D. S. Grummon ,
L. T. Drzal ,
I. H. Loh  and
R. A. Moody
J. Kalantar
Affiliation:
Department of Chemical Engineering, Michigan State University East Lansing, Michigan 48824.
D. S. Grummon
Affiliation:
Department of Metallurgy, Mechanics and Materials Science, MSU
L. T. Drzal
Affiliation:
Department of Chemical Engineering, Michigan State University East Lansing, Michigan 48824.
I. H. Loh
Affiliation:
Advanced Surface Technology, Incorporated, Waltham MA 02154
R. A. Moody
Affiliation:
Spire Corporation, Patriots Park/Bedford, MA 01730.
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Abstract

Composites made with high performance polymer fibers can achieve axial properties comparable to those which use inorganic reinforcements, but with somewhat inferior interfacial properties. A high degree of chain alignment in polyaramids, such as Kevlar, produces weak interactions between adjacent polymers, resulting in poor transverse strength in the fiber, and low interfacial shear strength in composite systems. The latter controls many composite properties, such as transverse, shear and flexural strengths. Also, by reducing the tendency to form weak interfacial boundary layers, good fiber-matrix adhesion can enhance environmental stability. For these reasons, modifications to reinforcement fiber surfaces that promote fiber-matrix adhesion are frequently used to improve the performance of composites.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 170: Symposium N – Interfaces in Composites , 1989 , 315
Copyright
Copyright © Materials Research Society 1990

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References

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