Bhaduri, A. K. ; Das, C. R. ; Albert, S. K. ; Klenk, A. ; Murty, B. S. (2011) Study of deformation behavior of simulated inter-critical heat-affected zones of modified 9Cr-1Mo steel Materials and Manufacturing Processes, 26 (1). pp. 62-65. ISSN 1042-6914
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Official URL: http://www.tandfonline.com/doi/abs/10.1080/1042691...
Related URL: http://dx.doi.org/10.1080/10426910903206725
Abstract
Deformation behavior of Gleeble-simulated inter-critical heat affected zone (ICHAZ) of modified 9Cr-1Mo steel has been studied using instrumented microhardness testing. The strain rate sensitivity exponent and activation volume of ICHAZs produced from steels with different prior austenite grain sizes (PAGS) have been estimated. In the simulated ICHAZ, the strain rate sensitivity exponent is lower for larger PAGS (100-120 µm) than for smaller PAGS (20-30 µm), while the activation volume is higher for larger PAGS. The slope of the loading line at any given point was higher in the simulated ICHAZ of the steel with larger PAGS, indicating that the ICHAZ in the steel with larger PAGS is more resistant to deformation than in the steel with smaller PAGS.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Taylor and Francis Group. |
| Keywords: | Activation Volume; Inter-critical Heat Affected Zone; Prior Austenite Grain Size; Strain Rate Sensitivity |
| ID Code: | 63997 |
| Deposited On: | 04 Oct 2011 08:36 |
| Last Modified: | 04 Oct 2011 08:36 |
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