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Stastical considerations in the analysis of data from fatigue tests on delaminated cross-ply graphite/epoxy composites

Article Abstract:

Results demonstrate that the branching angle follows a normal distribution as a function of number of cycles and the crack growth increases with the magnitude of the branching angle. Data also indicate that crack growth is faster with dissimilar crack failures.

Author: Saponara, Valeria La, Kardomateas, George A.
Publisher: American Society of Mechanical Engineers
Publication Name: Journal of Engineering Materials and Technology
Subject: Science and technology
ISSN: 0094-4289
Year: 2000
Epoxy compounds

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Interlaminar fracture toughness of a graphite/epoxy multidirectional composite

Article Abstract:

Results show that the interlaminar fracture toughness for Omicron/Theta interfaces of multidirectional composite laminates is constant for Theta changes from 15 to 19 degrees and is lowest when Omicron=Theta degrees. Data further indicate that specimen width influences toughness and the crack-length-to-span ratio governs the delamination crack.

Author: Yang, Z., Sun, C.T.
Publisher: American Society of Mechanical Engineers
Publication Name: Journal of Engineering Materials and Technology
Subject: Science and technology
ISSN: 0094-4289
Year: 2000
Fracture mechanics

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Single-edge and double-edge cracks in a fully anisotropic strip

Article Abstract:

Results show that effect of anisotropy on the stress intensity factor depends strongly on the relative crack length being greater. Data on a fully anisotropic strip with a single and double-edge cracks are presented.

Author: Kardomateas, George A., Huang, Haiying
Publisher: American Society of Mechanical Engineers
Publication Name: Journal of Engineering Materials and Technology
Subject: Science and technology
ISSN: 0094-4289
Year: 1999
Research, Stress analysis (Engineering), Strength of materials, Strength (Materials), Concrete, Concrete cracking, Matter, Properties, Thermosetting composites

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Subjects list: Statistical Data Included, United States, Usage, Testing, Fatigue (Materials), Materials, Composite materials, Graphite fibers, Analysis
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