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Estimation of diagnostics of fibers failure in composite materials by the method of acoustic emission

Skalsky V., Serhiyenko O., Rudavskyy D., Matviyiv Y.

Acta Mechanica et Automatica

2009

Vol. 3, no. 4

65-68

The model of acoustic emission caused by formation of penny-shaped cracks in fiber composite materials taking into account stress relaxation in breaking fibers is proposed. It is found that the maximal values of components of displacement vector are directly proportional to the total area of defect, which is formed, and inverse proportional to the relaxation time.