Accession Number : ADP006816

Title :   Innovative Constituents Requirements to Improve Composites Compressive Strength,

Corporate Author : ALENIA S P A ROME (ITALY)

Personal Author(s) : Anquez, L. ; Vautey, P.

Report Date : APR 1992

Pagination or Media Count : 10

Abstract : While the recent developments of Intermediate Modulus carbon fibers led to very high specific tensile strength over the first generation of High Strength fibers, the composites compressive properties did not improve at all. Because most of the aeronautical structures are subject to alternate tension and compression, it is not possible to take full advantage of carbon fibers composites, as the compressive loading becomes the design limitation. After a focus on the matrix dominating role in composite compression behavior, this paper will clear out which matrix characteristic, stiffness or strength, pilotes the unidirectional compressive failure.

Descriptors :   *FAILURE(MECHANICS), *MILITARY AIRCRAFT, *MATRIX MATERIALS, *FIBER REINFORCED COMPOSITES, BEHAVIOR, CARBON, CARBON FIBERS, COMPRESSION, COMPRESSIVE PROPERTIES, FIBERS, HIGH STRENGTH, LIMITATIONS, STIFFNESS, STRUCTURES, TENSILE STRENGTH, TENSION, UNIDIRECTIONAL, STRENGTH(MECHANICS), LAMINATES, AEROSPACE CRAFT, GRAPHITE, SHEAR STRENGTH, REPRINTS, NATO.

Subject Categories : Laminates and Composite Materials
      Aircraft

Distribution Statement : APPROVED FOR PUBLIC RELEASE