Abstract
An introductory literature review of the applications of acoustic emission (AE) to the study of composite materials and structures is given. This survey demonstrates the unique information that AE provides on the deformation and fracture processes which occur when composite materials are stressed. Also included in the review is a survey of the application of AE to nondestructive testing of composite materials. Following the review, new research results are presented in some areas of current research interest. The following areas are emphasized: (1) Wave propagation complications and the development of AE source location techniques in Kevlar 49/Epoxy composite pressure vessels; (2) evaluation of a special immersion type AE transducer; (3) study of couplants for AE testing of composites; and (4) application of AE to the study of a Boron/Aluminum particulate composite. [Work performed under the auspices of the U.S. Department of Energy by the Lawrence Livermore Laboratory under contract No. W‐7405‐ENG‐48.]
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