Jha, B. B. ; Baldev Raj, ; Khanna, A. S. (1986) Frequency analysis of AE signal obtained during breakaway oxidation and internal cracking of 2¼Cr-1Mo steel at 900°C Oxidation of Metals, 26 (3-4). pp. 263-273. ISSN 0030-770X
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Official URL: http://www.springerlink.com/content/tq513217460x07...
Related URL: http://dx.doi.org/10.1007/BF00659188
Abstract
The acoustic emission (AE) signal obtained during breakaway oxidation and internal cracking of 2¼Cr-1Mo steel at 900°C was analysed over its frequency domain. Three regions, namely pre-breakaway, post-breakaway, and internal cracking were distinguished and confirmed by thermogravimetric analysis and scanning electron microscopy observations. The frequency analysis of the AE signal obtained in the three different regions showed three different characteristic patterns. Frequency spectra based on predominant frequencies were correlated with the physical phenomena happening during the course of oxidation.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Springer. |
| Keywords: | Breakaway Oxidation; Frequency Analysis; 2¼Cr-1Mo Steel |
| ID Code: | 40584 |
| Deposited On: | 24 May 2011 09:53 |
| Last Modified: | 24 May 2011 09:53 |
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