Bibliographic Details
| Title: |
A Micromechanical Model of Acoustic Emission of Heterogeneous Materials. |
| Authors: |
Nosov, V. V.1, Burakov, I. N.1 |
| Source: |
Russian Journal of Nondestructive Testing. Feb2004, Vol. 40 Issue 2, p113-119. 7p. |
| Subjects: |
Acoustic emission, Stress waves, Nondestructive testing, Fracture mechanics, Elastic analysis (Engineering), Welded joints |
| Abstract: |
Modeling of processes leading to fracture is required for the development of efficient nondestructive methods for monitoring strength. The model used in this study describes acoustic emission at the stage of delocalized microcrack formation that precedes crack formation or crack pop-in, relates fracture and elastic radiation parameters, and shows directions for experimental studies and approaches to the development and modification of diagnostic methods. A model for the coefficient of the similarity of acoustic emission of elastic radiation to fine fracture is considered. The dependence of its parameters on different factors involved in acoustic-emission tests is shown for welded joint samples. [ABSTRACT FROM AUTHOR] |
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| Database: |
Engineering Source |
