THE METAL MAGNETIC MEMORY METHOD AND ITS APPLICATION FOR EARLY DETECTION OF STRESS ZONES IN NPP PIPING

被引：1
|
作者：
Dimova, Galya [1 ]
机构：
[1] Tech Univ Sofia, Tech Coll Sofia, Dept Energy & Mech Engn, 8 Kliment Ohridski Blvd, Sofia 1756, Bulgaria
来源：
COMPTES RENDUS DE L ACADEMIE BULGARE DES SCIENCES | 2024年 / 77卷 / 08期
关键词：
metal magnetic memory method; nondestructive testing;
D O I：
10.7546/CRABS.2024.08.07
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The policy of each NPP is to ensure safe production of electrical energy as well as security of supply. It is known that stress concentration (SC) zones, in which corrosion, fatigue and brittle processes develop most intensively, are the main sources for the occurrence of failures in operational structures. In this paper the method of magnetic memory of metal (MMM method) is discussed. This method was developed in order to conduct an early diagnosis of the condition of the metal of the technological equipment. The method is new and has not yet been studied in depth. The article presents the essence of the method, equipment and scheme of scanning the object. The method was applied to perform a pipeline test of NPP equipment. The results are given and verified. The aim of the article is to present the application of the Metal magnetic memory in NPPs.
引用
收藏
页码：1169 / 1175
页数：7
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