Technical Diagnostics and Non-Destructive Testing, 2018, №03



2018 №03 (06)

DOI of Article 10.15407/tdnk2018.03.01

2018 №03 (02)

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Technical Diagnostics and Non-Destructive Testing №3, 2018, pp. 3-13

Investigation by acoustic emission method of the kinetics of damage accumulation at fracture of materials

A.Ya.Nedoseka, S.A.Nedoseka, L.I.Markashova, T.A.Alexeenko

E.O.Paton Electric Welding Institute of NASU, 11 Kazimir Malevich str., Kiev-150, 03680, E-mail: office@paton.kiev.ua

Abstract:
Intensive application of acoustic emission at evaluation of the condition of structures in service necessitates further development of the methods, based on this phenomenon, for the case of calculation of the strength of the material being controlled. Some procedures in this area have already been developed, mastered and are used with success in long-term monitoring. However, the peculiarities of structure service, their diversity as to shapes and materials, as well as increase of requirements to accuracy and reliability of evaluations, necessitate continuation of studies in this area. It becomes particularly significant now, when systems of continuous monitoring of the technical state of constructions started acquiring great importance. 40 Ref., 9 Fig.
Keywords: acoustic emission, plastic deformation, procedure of evaluation of damage accumulation, strength calculation, monitoring, fracture

Received: 25.05.2018
Published: 20.09.2018

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