Accession Number:

ADA310040

Title:

Compression and Compression Fatigue Testing of Composite Laminates.

Descriptive Note:

Final rept. 1 Jun 81-31 Aug 82,

Corporate Author:

BOEING MILITARY AIRPLANE CO SEATTLE WA

Personal Author(s):

Report Date:

1982-08-31

Pagination or Media Count:

124.0

Abstract:

This report presents the results of a program with the objective to experimentally investigate the effects of moisture and temperature on the fatigue and fracture response of composite laminates under compression loads. The structural laminates investigated were a typical angle ply laminate and a typical turbine-engine fan blade laminate. Defects investigated were full- and half-penetration slits and impact delaminations. Results are presented showing the effects of moisture on the fracture and fatigue strength at room temperature 394K 250 deg F and 422K 300 deg F. Static test results are presented that show the effects of defect size and type on the compression-fracture strength under moisture and thermal environments. The cyclic test results compare the fatigue lives and residual-compression strength under compression only and under tension-compression fatigue loading.

Subject Categories:

  • Laminates and Composite Materials
  • Plastics
  • Mechanics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE