SYMPOSIA PAPER Published: 01 January 1983
STP36207S

Evaluation of Fixturing for Compression Testing of Metal Matrix and Polymer/Epoxy Composites

Source

The influence of fixture design on the compressive properties of three organic matrix and two metal matrix composites was investigated. Tabbed specimens of S2 glass/SP-250, Kevlar 49/Cycom 5143, T300 graphite/5208, FP alumina/aluminum, and FP alumina/magnesium were tested in compression, utilizing both the Celanese compression fixture described in the ASTM Test for Compressive Properties of Unidirectional or Crossply Fiber-Resin Composites (D 3410) and the modified Illinois Institute of Technology Research Institute (IITRI) indirect compression fixture. Difficulty was encountered in testing the metal matrix composites with the Celanese and IITRI fixtures, prompting the design of a new direct compression fixture. Details of the construction and use of this new fixture are discussed. Data obtained on the direct and indirect fixtures with identical material are compared statistically. Posttest examinations of failed specimens were made to determine similarity in failure mode.

Author Information

Lamothe, RM
Army Materials and Mechanics Research Center, Watertown, MA
Nunes, J
Army Materials and Mechanics Research Center, Watertown, MA
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Details
Developed by Committee: E28
Pages: 241–253
DOI: 10.1520/STP36207S
ISBN-EB: 978-0-8031-4874-1
ISBN-13: 978-0-8031-0248-4