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Measurement of microstructure changes in 9Cr–1Mo and 2.25Cr–1Mo steels using an electromagnetic sensor
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Liu, Jun, Hao, X. J., Zhou, L., Strangwood, Martin, Davis, Claire and Peyton, A. J. (2012) Measurement of microstructure changes in 9Cr–1Mo and 2.25Cr–1Mo steels using an electromagnetic sensor. Scripta Materialia, Volume 66 (Number 6). pp. 367-370. doi:10.1016/j.scriptamat.2011.11.032
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Official URL: http://dx.doi.org/10.1016/j.scriptamat.2011.11.032
Abstract
This paper presents results from a multi-frequency electromagnetic sensor used to characterize the microstructural changes in 9Cr–1Mo and 2.25Cr–1Mo power generation steels after tempering and elevated temperature service exposure. The electromagnetic sensor can detect the microstructural changes in both steels due to the corresponding relative permeability and resistivity changes. The low-frequency inductance value is particularly sensitive to the different relative permeability values of both steels.
| Item Type: | Journal Article | ||||||||||
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| Subjects: | Q Science > QC Physics T Technology > TK Electrical engineering. Electronics Nuclear engineering T Technology > TN Mining engineering. Metallurgy |
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| Divisions: | Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) | ||||||||||
| Library of Congress Subject Headings (LCSH): | Steel -- Electric properties, Electric resistance, Detectors, Electric power-plants | ||||||||||
| Journal or Publication Title: | Scripta Materialia | ||||||||||
| Publisher: | Elsevier B.V | ||||||||||
| ISSN: | 1359-6462 | ||||||||||
| Official Date: | March 2012 | ||||||||||
| Dates: |
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| Volume: | Volume 66 | ||||||||||
| Number: | Number 6 | ||||||||||
| Number of Pages: | 4 | ||||||||||
| Page Range: | pp. 367-370 | ||||||||||
| DOI: | 10.1016/j.scriptamat.2011.11.032 | ||||||||||
| Status: | Peer Reviewed | ||||||||||
| Publication Status: | Published | ||||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||||
| Funder: | Engineering and Physical Sciences Research Council (EPSRC) | ||||||||||
| Grant number: | EP/H023429/1 (EPSRC) |
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