Evaluation of susceptibility to stress corrosion cracking based on non-linear eddy current method

Ryota Oikawa; Tetsuya Uchimoto; Toshiyuki Takagi; Ryoichi Urayama; Yoshiyuki Nemoto; Shigeru Takaya; Satoshi Keyakida

doi:10.3233/JAE-2010-1254

Evaluation of susceptibility to stress corrosion cracking based on non-linear eddy current method

Ryota Oikawa, Tetsuya Uchimoto, Toshiyuki Takagi, Ryoichi Urayama, Yoshiyuki Nemoto, Shigeru Takaya, Satoshi Keyakida

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

This paper discusses the feasibility of non-linear eddy current method to evaluate material degradations of austenitic stainless steels associated with irradiation assisted stress corrosion cracking (IASCC). For the purpose, tensile tests at elevated temperatures are conducted using model alloys simulating radiation-induced segregation (RIS), and magnetization curves of the tensile test specimens are measured by vibrating sample magnetometer (VSM). Microstructure of magnetization of the tensile test specimens is observed by magnetic force microscopy (MFM). Finally, non-linear eddy current method is carried out for the tensile test specimens. It is shown that the 3rd higher harmonic ratio of the pick-up signal is related to the targeted nominal strain.

Original language	English
Pages (from-to)	1303-1308
Number of pages	6
Journal	International Journal of Applied Electromagnetics and Mechanics
Volume	33
Issue number	3-4
DOIs	https://doi.org/10.3233/JAE-2010-1254
Publication status	Published - 2010

Keywords

Nondestructive evaluation
irradiation assisted stress corrosion cracking
non-linear eddy current method

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Electrical and Electronic Engineering

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10.3233/JAE-2010-1254

Cite this

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title = "Evaluation of susceptibility to stress corrosion cracking based on non-linear eddy current method",

abstract = "This paper discusses the feasibility of non-linear eddy current method to evaluate material degradations of austenitic stainless steels associated with irradiation assisted stress corrosion cracking (IASCC). For the purpose, tensile tests at elevated temperatures are conducted using model alloys simulating radiation-induced segregation (RIS), and magnetization curves of the tensile test specimens are measured by vibrating sample magnetometer (VSM). Microstructure of magnetization of the tensile test specimens is observed by magnetic force microscopy (MFM). Finally, non-linear eddy current method is carried out for the tensile test specimens. It is shown that the 3rd higher harmonic ratio of the pick-up signal is related to the targeted nominal strain.",

keywords = "Nondestructive evaluation, irradiation assisted stress corrosion cracking, non-linear eddy current method",

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T1 - Evaluation of susceptibility to stress corrosion cracking based on non-linear eddy current method

AU - Oikawa, Ryota

AU - Uchimoto, Tetsuya

AU - Takagi, Toshiyuki

AU - Urayama, Ryoichi

AU - Nemoto, Yoshiyuki

AU - Takaya, Shigeru

AU - Keyakida, Satoshi

PY - 2010

Y1 - 2010

N2 - This paper discusses the feasibility of non-linear eddy current method to evaluate material degradations of austenitic stainless steels associated with irradiation assisted stress corrosion cracking (IASCC). For the purpose, tensile tests at elevated temperatures are conducted using model alloys simulating radiation-induced segregation (RIS), and magnetization curves of the tensile test specimens are measured by vibrating sample magnetometer (VSM). Microstructure of magnetization of the tensile test specimens is observed by magnetic force microscopy (MFM). Finally, non-linear eddy current method is carried out for the tensile test specimens. It is shown that the 3rd higher harmonic ratio of the pick-up signal is related to the targeted nominal strain.

AB - This paper discusses the feasibility of non-linear eddy current method to evaluate material degradations of austenitic stainless steels associated with irradiation assisted stress corrosion cracking (IASCC). For the purpose, tensile tests at elevated temperatures are conducted using model alloys simulating radiation-induced segregation (RIS), and magnetization curves of the tensile test specimens are measured by vibrating sample magnetometer (VSM). Microstructure of magnetization of the tensile test specimens is observed by magnetic force microscopy (MFM). Finally, non-linear eddy current method is carried out for the tensile test specimens. It is shown that the 3rd higher harmonic ratio of the pick-up signal is related to the targeted nominal strain.

KW - Nondestructive evaluation

KW - irradiation assisted stress corrosion cracking

KW - non-linear eddy current method

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ER -

Evaluation of susceptibility to stress corrosion cracking based on non-linear eddy current method

Abstract

Keywords

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