Effect of cryogenic temperature on the fracture toughness of graphite/epoxy composites

Article Abstract:

Double cantilever beam test are performed on different types of specimens, at room and cryogenic temperatures, and the fracture toughness are calculated from their loading displacement diagram to study the interlaminar fracture behavior of graphite/epoxy composite laminates in cryogenic conditions. Results reveal that all specimens, with the exception of woven composites, showed deterioration in fracture toughness at the liquid nitrogen temperature.

Industrial Gas Manufacturing, Industrial gases, Nitrogen, Liquid, Electric properties, Graphite, Epoxy compounds, Liquid nitrogen

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Elastic stress concentration of an ellipsoidal inclusion of revolution in the vicinity of a bimaterial interface

Article Abstract:

A stress concentration issue of an ellipsoidal inclusion of revolution in a bimaterial body under pressure is presented. The effects of bimaterial interface on the stress concentration element are discussed.

Analysis, Measurement, Strains and stresses, Stresses (Materials), Mechanics, Engineering mechanics

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