RESPONSE OF THICK, NOTCHED LAMINATES SUBJECTED TO TENSION-COMPRESSION CYCLIC LOADS.

Charles E. Bakis, Wayne W. Stinchcomb

Research output: Chapter in Book/Report/Conference proceedingConference contribution

25 Scopus citations

Abstract

The fatigue response of a left bracket (0/45/90/ minus 45)//s right bracket //4 T300-5208 graphite/epoxy laminate with a drilled center hole subjected to constant-amplitude, fully reversed tension-compression loading was investigated. Damage evaluation techniques such as stiffness monitoring, penetrant-enhanced X-ray radiography, C-scan, laminate deply, and residual strength were used to establish the mechanisms of damage development as well as the relations between this damage and the stiffness, strength, and life of the laminate. At the stress levels used in this investigation, residual tensile strength increased early in the fatigue life and remained approximately constant to near the end of life, when failure was precipitated by excessive laminate instability during the compressive portion of the loading.

Original languageEnglish (US)
Title of host publicationASTM Special Technical Publication
EditorsH.Thomas Hahn
PublisherASTM
Pages314-334
Number of pages21
ISBN (Print)0803104707
StatePublished - 1986

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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