Formation of voids and secondary-phase precipitates in the Fe-16Cr-15Ni-2Mo-1Mn-Ti-Si steel under high-doze neutron irradiation and during post-irradiation annealing
- 1. JSC Institute of Nuclear Materials (Russian Federation)
Description
The effect of high-dose neutron irradiation on the structural changes in Fe-16Cr-15Ni-2Mo-1Mn-Ti-Si austenitic steel have been investigated. Samples irradiated at temperatures of 390, 500, and 600o to damage doses of 46, 86, and 46 dpa, respectively, were analyzed by electron microscopy and dilatometry. The quantitative characteristics of radiation voids and secondary-phase precipitates formed under neutron irradiation are obtained. Their behavior upon heating to 700oC and annealing at this temperature for 2 h is studied. It is shown that annealing leads to the dissociation of small voids, which is accompanied by the growth of large ones. The secondary-phase precipitates are partially dissolved upon annealing, and their volume fraction decreases.
Additional details
Identifiers
Publishing Information
- Journal Title
- Crystallography Reports
- Journal Volume
- 54
- Journal Issue
- 7
- Journal Page Range
- p. 1139-1145
- ISSN
- 1063-7745
- CODEN
- CYSTE3
INIS
- Country of Publication
- United States
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 44011271
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Descriptors DEI
- ANNEALING; AUSTENITIC STEELS; DILATOMETRY; DISSOCIATION; ELECTRON BEAMS; ELECTRON MICROSCOPY; HEATING; IRRADIATION; NEUTRON BEAMS; PRECIPITATION; RADIATION DOSES; TEMPERATURE RANGE 0400-1000 K; VOIDS
- Descriptors DEC
- ALLOYS; BEAMS; CARBON ADDITIONS; DOSES; HEAT TREATMENTS; IRON ALLOYS; IRON BASE ALLOYS; LEPTON BEAMS; MICROSCOPY; NUCLEON BEAMS; PARTICLE BEAMS; SEPARATION PROCESSES; STEELS; TEMPERATURE RANGE; THERMAL ANALYSIS; TRANSITION ELEMENT ALLOYS
Optional Information
- Copyright
- Copyright (c) 2009 Pleiades Publishing, Ltd.