Grain boundary engineering of austenitic steel PNC316 for use in nuclear reactors
Creators
- 1. Center for Advanced Research of Energy and Materials, Faculty of Engineering, Hokkaido University, Kita-13, Nishi-8, Kita-ku, Sapporo, Hokkaido 060-8628 (Japan)
- 2. Graduate School of Engineering, Tohoku University, Aramaki-aza-Aoba, Aoba-ku, Sendai 980-8579 (Japan)
- 3. Materials Monitoring Section, Fuels and Materials Department, O-arai Research and Development Center, Japan Atomic Energy Agency (JAEA), 4002 Narita-cho, Oarai-machi, Ibaraki 311-1393 (Japan)
- 4. Institute of Materials Structure Science, High Energy Accelerator Research Organization, Oho, Tsukuba-shi, Ibaraki-ken 305-0801 (Japan)
Description
Austenitic stainless steel PNC316 was subjected to grain boundary engineering (GBE). It was found that the grain boundary engineered PNC316 (PNC316-GBEM) had a coincidence site lattice (CSL) fraction of 86% and that the network of random grain boundaries was perfectly divided by the CSL boundaries. The thermal stability and the void swelling behavior of PNC316-GBEM were investigated by means of SEM and TEM analyses. After thermal aging at 973 K for 100 h, structural changes were observed neither in the grain boundary networks of PNC316-GBEM nor in another sample of PNC316-GBEM subjected to 20% additional cold rolling, PNC316-GBEM20%CW. PNC316-GBEM showed a higher void swelling rate than as-received PNC316 (PNC316-AS). However, with additional 20% cold rolling after GBE, the void swelling rate decreased to as low as that of PNC316-AS.
Availability note (English)
Available from http://dx.doi.org/10.1016/j.jnucmat.2011.03.049Additional details
Identifiers
- DOI
- 10.1016/j.jnucmat.2011.03.049;
- PII
- S0022-3115(11)00332-1;
Publishing Information
- Journal Title
- Journal of Nuclear Materials
- Journal Volume
- 414
- Journal Issue
- 2
- Journal Page Range
- p. 232-236
- ISSN
- 0022-3115
- CODEN
- JNUMAM
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 43055485
- Subject category
- S36: MATERIALS SCIENCE;
- Descriptors DEI
- AUSTENITIC STEELS; GRAIN BOUNDARIES; SCANNING ELECTRON MICROSCOPY; SWELLING; TRANSMISSION ELECTRON MICROSCOPY
- Descriptors DEC
- ALLOYS; CARBON ADDITIONS; DEFORMATION; ELECTRON MICROSCOPY; IRON ALLOYS; IRON BASE ALLOYS; MICROSCOPY; MICROSTRUCTURE; STEELS; TRANSITION ELEMENT ALLOYS
Optional Information
- Copyright
- Copyright (c) 2011 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.