0
TECHNICAL PAPERS

Low Cycle Fatigue of Unidirectional Laminates: Stress Ratio Effects

[+] Author and Article Information
V. M. Harik

U.S. Army Research Laboratory, AMSRL-WM-MB, Aberdeen Proving Ground, MD 21005ARL Group, Center for Composite Materials, University of Delaware, Newark, DE 19716

J. R. Klinger

U.S. Army Research Laboratory, AMSRL-WM-MB, Aberdeen Proving Ground, MD 21005National Nonwovens Inc., P.O. Box 150, East Hanover, MA 01027

T. A. Bogetti

U.S. Army Research Laboratory, AMSRL-WM-MB, Aberdeen Proving Ground, MD 21005ARL Group, Center for Composite Materials, University of Delaware, Newark, DE 19716

J. Eng. Mater. Technol 122(4), 415-419 (Apr 12, 2000) (5 pages) doi:10.1115/1.1289024 History: Received December 22, 1999; Revised April 12, 2000
Copyright © 2000 by ASME
Your Session has timed out. Please sign back in to continue.

References

Figures

Grahic Jump Location
Typical failures of unidirectional specimens that show significant “brooming” under quasi-static and LCF tensile loading
Grahic Jump Location
Fatigue life diagram for unidirectional PMCs under axial loading (after Talreja, 1987)
Grahic Jump Location
Evolution of LCF damage (i.e., matrix cracks and micro-voids, voids and “wing-shaped” cracks at broken fibers before fiber bridging and interfacial debonding of fibers) under tensile fatigue loading
Grahic Jump Location
LCF life data for a unidirectional glass/epoxy composite. The stress ratio, R, is 0.1. LCF loading is normalized by the ultimate load.
Grahic Jump Location
LCF life data for a unidirectional glass/epoxy composite. The stress ratio, R, is 0.25. LCF loading is normalized by the ultimate load.
Grahic Jump Location
Comparison of LCF data for the stress ratio R=0.25, and the theoretical linear S-N curve, which is defined by Eq. (1)

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In