Publication detail

TEM Study of Radiation Induced Defects in Baffle-Former-Barrel Assembly from Decommissioned NPP Greifswald

SRBA, O. MICHALIČKA, J. KEILOVÁ, E. KOČÍK, J.

English title

TEM Study of Radiation Induced Defects in Baffle-Former-Barrel Assembly from Decommissioned NPP Greifswald

Type

Paper in proceedings (conference paper)

Language

en

Original abstract

A complex transmission electron microscopy (TEM) study of reactor vessel internal (RVI) materials from the baffle-former- barrel assembly from NPP Greifswald (VVER 440), Unit 1 decommissioned after 15 service cycles has been undertaken. All parts of the baffle-former-barrel assembly are made from Ti-stabilized austenitic stainless steel 08Ch18N10T. The materials were exposed to different dose of neutron radiation (2.4 – 11.4 dpa) at temperatures 267 – 398 C depending on position in the core. Three types of radiation induced defects were identified and quantified, namely: Frank dislocation loops, cavities and fine-scaled precipitated particles of Ni-Si rich phases. Black-dot type defects were observed too. Operation conditions were around 300 C that is why defects typical for both low and high regions of irradiation temperatures have observed.

Keywords in English

neutron radiation, reactor vessel internal (RVI), TEM

Released

2013-12-07

Location

France

ISSN

0018-9499

Book

Advancements in Nuclear Instrumentation Measurement Methods and their Applications (ANIMMA), 2013 3rd International Conference onon Nuclear Science, in press, ANIMMA conference, Marseille

Journal

IEEE transactions on nuclear science

Volume

2014

Number

1

Pages from–to

1–6

Pages count

6

BIBTEX


@inproceedings{BUT102662,
  author="Ondřej {Srba} and Jan {Michalička} and Eliška {Keilová} and Jan {Kočík}",
  title="TEM Study of Radiation Induced Defects in Baffle-Former-Barrel Assembly from Decommissioned NPP Greifswald",
  booktitle="Advancements in Nuclear Instrumentation Measurement Methods and their Applications (ANIMMA), 2013 3rd International Conference onon Nuclear Science, in press, ANIMMA conference, Marseille",
  year="2013",
  journal="IEEE transactions on nuclear science",
  volume="2014",
  number="1",
  pages="1--6",
  address="France",
  issn="0018-9499"
}