Accession Number : ADA303021

Title :   A Microdebonding Test for In-Situ Fiber-Matrix Bond Strength and Moisture Effects,

Descriptive Note : Research rept.,

Corporate Author : MASSACHUSETTS INST OF TECH CAMBRIDGE DEPT OF MATERIALS SCIENCE AND ENGINEERIN G

Personal Author(s) : Mandell, J. F. ; Chen, J. H. ; McGarry, F. H.

PDF Url : ADA303021

Report Date : FEB 1980

Pagination or Media Count : 27

Abstract : The paper describes a test technique which gives a quantitative measure of the in-situ fiber/matrix bond strength in composites. The test involves the compressive loading of a fiber or region of fibers on a polished specimen surface to produce debonding. Results are given for the debonding load for glass, aramid and graphite/epoxy composites. The change in debonding load is also followed as the interface degrades during moisture conditioning at different points through the thickness. Refinements are needed to simplify interpretation of the debonding force in terms of interface shear strength, and to make the test more reproducible. jg p4

Descriptors :   *FIBERS, *INTERFACES, *MATRIX MATERIALS, *STRENGTH(MECHANICS), *BONDING, *MOISTURE, TEST AND EVALUATION, MEASUREMENT, THICKNESS, COMPOSITE MATERIALS, COMPRESSIVE PROPERTIES, GRAPHITE EPOXY COMPOSITES, SHEAR STRENGTH, MOISTUREPROOFING.

Subject Categories : Laminates and Composite Materials
      Inorganic Chemistry
      Textiles
      Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE