Moorthy, V. ; Jayakumar, T. ; Baldev Raj, (1995) Acoustic emission during pre-yield deformation in solution annealed and cold rolled AISI type 316 stainless steel Transactions of the Indian Institute of Metals, 48 (5). pp. 383-387. ISSN 0972-2815
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Abstract
Heterogeneous dislocation substructure consisting of hard and soft regions has been introduced in nuclear grade AISI type 316 stainless steel by cold rolling to different levels. The acoustic emission (AE) during pre-yield tensile deformation is found to increase with the increase in the extent of prior cold work. The pre-yield AE in solution annealed specimens is attributed to operation of Frank-Read and grain boundary dislocation sources. The pre-yield AE behavior in prior cold worked specimens has been explained based on the composite deformation model, specifically attributing to the generation of coherent AE signal from the extensive glide of dislocations during plastic microyielding of the soft regions in the substructure.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Springer. |
| ID Code: | 90984 |
| Deposited On: | 15 May 2012 13:08 |
| Last Modified: | 15 May 2012 13:08 |
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