Actions for Environmental Effects on Composite Fracture Behavior

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Environmental Effects on Composite Fracture Behavior / TR. Porter

Conference Author
Test Methods and Design Allowables for Fibrous Composites (1979 : Dearborn, Michigan)
Physical Description
1 online resource (15 pages) : illustrations, figures, tables
Additional Creators
Porter, TR., American Society for Testing and Materials, and ASTM International
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Summary
This paper describes the results of an experimental program investigating the effects of temperature and moisture on the damage development and fracture response of composite materials. Fracture data were obtained for graphite/epoxy composite materials that had been moisture-conditioned. The fracture response data were obtained for both room temperature and immediately after the application of a temperature transient causing the specimen to attain 150¿̐ưC (300¿̐ưF). Three 20-ply laminates were investigated in the tests: one typical angle-ply laminate, one laminate representative of polar/hoop-wound pressure vessels, and one laminate containing four plies of S-glass fibers representative of engine fan blades for propulsion systems. From the results it is shown that elevated temperature degrades the notched strength of some laminates while not degrading others. The unnotched strength of all laminates tested at elevated temperature was degraded. In addition to the fracture data, the influence of preloading on damage growth and moisture absorption, the effect of autoclave pressure during laminate cure on fracture, and the variation of interlaminar shear properties with layup, moisture exposure, laminate material, and cure pressure were investigated.
Dates of Publication and/or Sequential Designation
Volume 1981, Issue 734 (January 1981)
Subject(s)
Other Subject(s)
ISBN
0803107005
9780803107007
9780803148000 (e-ISBN)
Digital File Characteristics
text file PDF
Bibliography Note
Includes bibliographical references.
Other Forms
Also available in PDF edition.
Also available online via the World Wide Web. Tables of contents and abstracts freely available; full-text articles available by subscription.
Full text article also available for purchase.
Reproduction Note
Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 1981. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.
Technical Details
Mode of access: World Wide Web.
Source of Acquisition
ASTM International PDF Purchase price USD25.
View MARC record | catkey: 27990127