Accession Number : ADA139128

Title :   Assessment of Microdamage Development during Tensile Loading of Graphite/Epoxy Laminates.

Descriptive Note : Final rept. 1 Sep 82-30 Nov 83,

Corporate Author : VIRGINIA POLYTECHNIC INST AND STATE UNIV BLACKSBURG

Personal Author(s) : Jamison,R D ; Reifsnider,K L

PDF Url : ADA139128

Report Date : Jan 1984

Pagination or Media Count : 101

Abstract : The present work examines in a systematic way the development of microdamage in several laminates of graphite/epoxy material during quasi-static tensile loading. Emphasis is placed upon discriminating and quantifying matrix and fiber damage. Penetrant-enhanced X-ray radiography and edge replication were used to map the progression of matrix damage. The recently developed technique of specimen deply was used to follow the progression of fiber fracture. By complementary application of these destructive and nondestructive techniques a more complete and coherent picture of microdamage was developed.

Descriptors :   *EPOXY LAMINATES, *GRAPHITED MATERIALS, *TENSILE PROPERTIES, *LOADS(FORCES), DAMAGE ASSESSMENT, MICROSTRUCTURE, FIBERS, FRACTURE(MECHANICS), ACOUSTIC EMISSIONS, TOLERANCES(MECHANICS), STATIC LOADS, MATRIX MATERIALS, RADIOGRAPHY, NONDESTRUCTIVE TESTING, STRENGTH(MECHANICS), STIFFNESS

Subject Categories : Laminates and Composite Materials
      Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE