Technical Diagnostics and Non-Destructive Testing, 2015, №01



2015 №01 (08)

DOI of Article 10.15407/tdnk2015.01.01

2015 №01 (02)

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Техническая диагностика и неразрушающий контроль, №1, 2015 стр. 7-16
 

ЗАСТОСУВАННЯ МЕТОДУ АКУСТИЧНОЇ ЕМІСІЇ ДЛЯ ДІАГНОСТУВАННЯ КОРПУСІВ ЯДЕРНИХ РЕАКТОРІВ (Огляд)

І. М. Неклюдов, З. Т. Назарчук, В. Р. Скальський, Л. Н. Добровольська

G.V. Karpenko Physico-Mechanical Institute, NASU

Реферат:
Перші акустико-емісійні (АЕ) вимірювальні системи виробничого зразка та встановлені кореляції між параметрами сигналів АЕ та показниками розвитку руйнування були створені у другій половині XX сторіччя. Саме це й стало підставою зацікавлення розробників атомних енергетичних технологій та експлуатаційників цим новим методом, який згодом стане ефективним доповненням до існуючих технологій неруйнівного контролю (НК) для виявлення та моніторингу дефектів корпусів ядерних реакторів. Оскільки до таких об’єктів поставлено винятково високі вимоги якості та цілісності, то вже в кінці 1970-х років було спрямовано значні зусилля на розвиток методу АЕ і запровадження його у виробництво. Практична реалізація засобів і методик АЕ-моніторингу та діагностування стану корпусів реакторів АЕС підтвердила високу ефективність методу, хоча на початку їх становлення були різні твердження щодо цього. Бібліогр. 40, рис. 3.
 
Ключові слова:акустична емісія, показники розвитку руйнування, атомні енергетичні технології, виявлення та моніторинг дефектів
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First acoustic-emission (AE) measuring systems of commercial modification were developed, and correlations between AE signal parameters and fracture propagation characteristics were established in the first half of the XXth century. This was exactly the basis for awakening the interest of nuclear energy technology developers and operators to this new method, which will eventually become an effective addition to the existing technologies of non-destructive testing (NDT) for detection and monitoring of nuclear reactor body defects. In view of the extremely high requirements made to such facilities in terms of their quality and integrity, significant efforts were focused on AE method development and its introduction into industry already at the end of 1970ties. Practical realization of the techniques and means for AE monitoring and diagnostics of the condition of NPP reactor bodies confirmed the high effectiveness of the method, although different opinions were expressed on this subject at the start of their introduction. 40 References, 3 Figures.
 
Keywords: acoustic emission, fracture development indices, nuclear power technologies, defect detection and monitoring
 
Надійшла до редакціі 10.09.2014
Піписано до друку 18.03.2015.