Detection of stress corrosion cracking by direct-current potential difference method

Naoya Tada; Makoto Uchida; Hiroki Maeda; Atsushi Hozuki

doi:10.1115/PVP2011-57913

Detection of stress corrosion cracking by direct-current potential difference method

Naoya Tada, Makoto Uchida, Hiroki Maeda, Atsushi Hozuki

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

Stress corrosion cracking (SCC) is one of serious damages occurred in power generating plants, petrochemical plants, and gas pipelines. However, it is not easy to detect and evaluate SCCs because their shapes are complex and they are usually initiated in the weldment composed of base metal, weld metal, and heat-affected zone. In this study, the direct-current potential difference method (DC-PDM) was applied to SCCs artificially introduced in plate specimens and the applicability of DC-PDM to their detection was discussed. It was found from the measurement results that the potential differences near SCC were higher than those away from SCC. This fact suggests that SCC is detectable by DC-PDM.

Original language	English
Title of host publication	American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP
Pages	217-224
Number of pages	8
Volume	5
DOIs	https://doi.org/10.1115/PVP2011-57913
Publication status	Published - 2011
Event	ASME 2011 Pressure Vessels and Piping Conference, PVP 2011 - Baltimore, MD, United States Duration: Jul 17 2011 → Jul 21 2011

Other

Other	ASME 2011 Pressure Vessels and Piping Conference, PVP 2011
Country	United States
City	Baltimore, MD
Period	7/17/11 → 7/21/11

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ASJC Scopus subject areas

Mechanical Engineering

Cite this

Tada, N., Uchida, M., Maeda, H., & Hozuki, A. (2011). Detection of stress corrosion cracking by direct-current potential difference method. In American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP (Vol. 5, pp. 217-224) https://doi.org/10.1115/PVP2011-57913

Tada, N, Uchida, M, Maeda, H & Hozuki, A 2011, Detection of stress corrosion cracking by direct-current potential difference method. in American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP. vol. 5, pp. 217-224, ASME 2011 Pressure Vessels and Piping Conference, PVP 2011, Baltimore, MD, United States, 7/17/11. https://doi.org/10.1115/PVP2011-57913

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abstract = "Stress corrosion cracking (SCC) is one of serious damages occurred in power generating plants, petrochemical plants, and gas pipelines. However, it is not easy to detect and evaluate SCCs because their shapes are complex and they are usually initiated in the weldment composed of base metal, weld metal, and heat-affected zone. In this study, the direct-current potential difference method (DC-PDM) was applied to SCCs artificially introduced in plate specimens and the applicability of DC-PDM to their detection was discussed. It was found from the measurement results that the potential differences near SCC were higher than those away from SCC. This fact suggests that SCC is detectable by DC-PDM.",

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Access to Document

10.1115/PVP2011-57913