Dynamic characterization of short duration stress pulses generated by a magnetic flyer plate in carbon-fiber/epoxy laminates | Zendy

Hugh A. Bruck | Zendy; J.S. Epstein | Zendy; K.E. Perry | Zendy; M.G. Abdallah | Zendy

Open Access

Dynamic characterization of short duration stress pulses generated by a magnetic flyer plate in carbon-fiber/epoxy laminates

Author(s) -

Hugh A. Bruck,

J.S. Epstein,

K.E. Perry,

M.G. Abdallah

Publication year - 1995

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/125087

Subject(s) - epoxy , materials science , composite material , delamination (geology) , stress (linguistics) , carbon fiber composite , pulse duration , composite number , composite laminates , structural engineering , optics , engineering , paleontology , laser , linguistics , philosophy , physics , biology , subduction , tectonics

There is a great deal of interest in characterizing the dynamic mechanical behavior of laminated carbon-fiber/epoxy composites for military and aerospace applications. Current research efforts have been directed at measuring the strength lost because of accumulated damage. Very little work has been done to determine how this damage is accumulated during dynamic mechanical loading. Of particular interest is the effect of short duration (< 1 {micro}s) stress pulses on mechanical behavior such as delamination. In this paper, a magnetic flyer plate apparatus is presented for generating a short duration stress pulse in a unidirectional carbon-fiber/epoxy laminated composite. The stress pulse is characterized using a dynamic moire interferometer

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