Electrical potential drop method for evaluating crack depth

K. Ikeda; M. Yoshimi; C. Miki

doi:10.1007/BF00037037

Electrical potential drop method for evaluating crack depth

K. Ikeda, M. Yoshimi, C. Miki

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

19 Citations (Scopus)

Abstract

Analytical and experimental studies are performed on the electrical potential drop method for monitoring the properties of a surface crack. Integral formulas for potential drops for direct currents are derived by applying Green's theorem to the Laplace equation governing potential drop behaviour. Based on these formulas, a simple non-destructive method is proposed for evaluating the depth of a surface half-elliptic crack and for calibrating potential drop behaviour. The validity and applicability of this method are assessed through the comparison of analysis and experiment.

Original language	English
Pages (from-to)	25-38
Number of pages	14
Journal	International Journal of Fracture
Volume	47
Issue number	1
DOIs	https://doi.org/10.1007/BF00037037
Publication status	Published - 1991 Jan 1
Externally published	Yes

ASJC Scopus subject areas

Computational Mechanics
Modelling and Simulation
Mechanics of Materials

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AB - Analytical and experimental studies are performed on the electrical potential drop method for monitoring the properties of a surface crack. Integral formulas for potential drops for direct currents are derived by applying Green's theorem to the Laplace equation governing potential drop behaviour. Based on these formulas, a simple non-destructive method is proposed for evaluating the depth of a surface half-elliptic crack and for calibrating potential drop behaviour. The validity and applicability of this method are assessed through the comparison of analysis and experiment.

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Electrical potential drop method for evaluating crack depth

Abstract

ASJC Scopus subject areas

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