Application of induced current potential drop technique for measurements of cracks on internal wall of tube-shaped specimens

Yasumoto Sato; Takeo Atsumi; Tetsuo Shoji

doi:10.1016/j.ndteint.2007.04.004

Application of induced current potential drop technique for measurements of cracks on internal wall of tube-shaped specimens

Yasumoto Sato, Takeo Atsumi, Tetsuo Shoji

New Industry Creation Hatchery Center (NICHe)

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

6 Citations (Scopus)

Abstract

This paper presents the applicability of induced current potential drop (ICPD) technique to the detection and sizing of defects in objects with a shape of real components. The shape of tube was selected as one of the shape of real components and an ICPD sensor for the inspection of tube-shaped specimens was developed. The usefulness of the developed sensor was verified by experiments. Finite element analysis (FEA) was conducted to obtain calibration data to convert potential drop (PD) data measured using the sensor into the depth of defects. It was shown that the crack depths estimated based on measured PDs and FEA showed good agreement with the crack depths estimated by ultrasonic testing.

Original language	English
Pages (from-to)	497-504
Number of pages	8
Journal	NDT and E International
Volume	40
Issue number	7
DOIs	https://doi.org/10.1016/j.ndteint.2007.04.004
Publication status	Published - 2007 Oct

Keywords

Finite element analysis
Nondestructive evaluation
Potential drop
Thermal fatigue crack
Tube-shaped specimen

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanical Engineering

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title = "Application of induced current potential drop technique for measurements of cracks on internal wall of tube-shaped specimens",

abstract = "This paper presents the applicability of induced current potential drop (ICPD) technique to the detection and sizing of defects in objects with a shape of real components. The shape of tube was selected as one of the shape of real components and an ICPD sensor for the inspection of tube-shaped specimens was developed. The usefulness of the developed sensor was verified by experiments. Finite element analysis (FEA) was conducted to obtain calibration data to convert potential drop (PD) data measured using the sensor into the depth of defects. It was shown that the crack depths estimated based on measured PDs and FEA showed good agreement with the crack depths estimated by ultrasonic testing.",

keywords = "Finite element analysis, Nondestructive evaluation, Potential drop, Thermal fatigue crack, Tube-shaped specimen",

author = "Yasumoto Sato and Takeo Atsumi and Tetsuo Shoji",

note = "Funding Information: A part of this work was supported by “International Cooperative Program for Education and Research”, funded by the Japanese Ministry of Education, Culture, Sports, Science and Technology. ",

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T1 - Application of induced current potential drop technique for measurements of cracks on internal wall of tube-shaped specimens

AU - Sato, Yasumoto

AU - Atsumi, Takeo

AU - Shoji, Tetsuo

N1 - Funding Information: A part of this work was supported by “International Cooperative Program for Education and Research”, funded by the Japanese Ministry of Education, Culture, Sports, Science and Technology.

PY - 2007/10

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N2 - This paper presents the applicability of induced current potential drop (ICPD) technique to the detection and sizing of defects in objects with a shape of real components. The shape of tube was selected as one of the shape of real components and an ICPD sensor for the inspection of tube-shaped specimens was developed. The usefulness of the developed sensor was verified by experiments. Finite element analysis (FEA) was conducted to obtain calibration data to convert potential drop (PD) data measured using the sensor into the depth of defects. It was shown that the crack depths estimated based on measured PDs and FEA showed good agreement with the crack depths estimated by ultrasonic testing.

AB - This paper presents the applicability of induced current potential drop (ICPD) technique to the detection and sizing of defects in objects with a shape of real components. The shape of tube was selected as one of the shape of real components and an ICPD sensor for the inspection of tube-shaped specimens was developed. The usefulness of the developed sensor was verified by experiments. Finite element analysis (FEA) was conducted to obtain calibration data to convert potential drop (PD) data measured using the sensor into the depth of defects. It was shown that the crack depths estimated based on measured PDs and FEA showed good agreement with the crack depths estimated by ultrasonic testing.

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KW - Nondestructive evaluation

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KW - Thermal fatigue crack

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