On the calibration of the direct current potential difference method for the determination of semi-elliptical crack lengths

W. O. Soboyejo; R. C. Reed; J. F. Knott

doi:10.1007/BF00012550

On the calibration of the direct current potential difference method for the determination of semi-elliptical crack lengths

W. O. Soboyejo
, R. C. Reed
, J. F. Knott

President

SUNY Polytechnic Institute

University of Cambridge

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

23 Scopus citations

Abstract

This paper treats the calibration of the direct-current, potential difference (d.c.p.d.) technique for the measurement of the lengths of semi-elliptical ("thumbnail") cracks. Calibrations utilised the beachmarking of steel specimens and a three-dimensional analogue method, which employed an electrolytic tank to simulate a testpiece. The agreement between the two sets of calibrations was good, and the results have been compared with an analytical solution for a semi-circular crack in a half-space.

Original language	English
Pages (from-to)	27-41
Number of pages	15
Journal	International Journal of Fracture
Volume	44
Issue number	1
DOIs	https://doi.org/10.1007/BF00012550
State	Published - Jul 1990

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abstract = "This paper treats the calibration of the direct-current, potential difference (d.c.p.d.) technique for the measurement of the lengths of semi-elliptical ({"}thumbnail{"}) cracks. Calibrations utilised the beachmarking of steel specimens and a three-dimensional analogue method, which employed an electrolytic tank to simulate a testpiece. The agreement between the two sets of calibrations was good, and the results have been compared with an analytical solution for a semi-circular crack in a half-space.",

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N2 - This paper treats the calibration of the direct-current, potential difference (d.c.p.d.) technique for the measurement of the lengths of semi-elliptical ("thumbnail") cracks. Calibrations utilised the beachmarking of steel specimens and a three-dimensional analogue method, which employed an electrolytic tank to simulate a testpiece. The agreement between the two sets of calibrations was good, and the results have been compared with an analytical solution for a semi-circular crack in a half-space.

AB - This paper treats the calibration of the direct-current, potential difference (d.c.p.d.) technique for the measurement of the lengths of semi-elliptical ("thumbnail") cracks. Calibrations utilised the beachmarking of steel specimens and a three-dimensional analogue method, which employed an electrolytic tank to simulate a testpiece. The agreement between the two sets of calibrations was good, and the results have been compared with an analytical solution for a semi-circular crack in a half-space.

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On the calibration of the direct current potential difference method for the determination of semi-elliptical crack lengths

Abstract

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