Accession Number : ADA266920


Title :   The Effect of Plasma Treatment on Interfacial Bond Characteristics of Kevlar/Epoxy Laminates as Measured by T-Peel Tests


Descriptive Note : Final rept.,


Corporate Author : ARMY RESEARCH LAB WATERTOWN MA MATERIALS DIRECTORATE


Personal Author(s) : Michaud, Rachel A ; Mead, Joey L


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a266920.pdf


Report Date : May 1993


Pagination or Media Count : 14


Abstract : Composite materials are used in a wide variety of applications where their anisotropic properties allow the material to be tailored for each application. Unfortunately, aramid fiber composites may have limited applications due to poor transverse properties. These poor transverse properties are the result of weak interfacial bonding. Improvement of the interfacial bond strength has been an area of active research. Plasma treatment is one method that can be used to modify the surface of a fiber in an effort to improve the fiber-matrix adhesion. in this study, Kevlar/epoxy laminates were peel-tested (T-peel) to study the effect of plasma treatment on the interfacial properties. The T-peel results indicate that ammonia plasma treatment improves the interfacial bond strength of Keviar/epoxy composites, increasing the T-peel strengths by approximately 30%.... Composite materials, Epoxy composites, Kevlar fibers, Adhesion, Plasma treatment, T-peel


Descriptors :   *COVALENT BONDS , *POLYAMIDE PLASTICS , *EPOXY LAMINATES , TEST AND EVALUATION , FIBERS , MATERIALS , POLYMERS , AMMONIA , CHEMICAL BONDS , SHEAR STRENGTH , TRANSVERSE , EPOXY COMPOSITES , BONDING , HIGH STRENGTH , SURFACES , ADHESION , STIFFNESS , COMPOSITE MATERIALS , LAMINATES , PLASMAS(PHYSICS)


Subject Categories : Polymer Chemistry
      Laminates and Composite Materials


Distribution Statement : APPROVED FOR PUBLIC RELEASE