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Irradiation embrittlement of some 15Kh2MFA pressure vessel steels under varying neutron fluence rates

Abstract

Irradiation sensitivity of two forging materials was measured with Charpy-V and fracture mechanic tests, and with different fluence, fluence rate and irradiation time values. Irradiation sensitivity of the materials was found to be less or equal to the current Russian standard, and appears to be well described by the fluence parameter only. A slight additional effect on embrittlement from a long term low fluence irradiation is noticed, but it stays within the total scatter band of data. 7 refs., 17 figs., 4 tabs.
Authors:
Valo, M; Bars, B; [1]  Ahlstrand, A [2] 
  1. Technical Research Centre of Finland, Espoo (Finland)
  2. Imatran Voima Oy (IVO), Helsinki (Finland)
Publication Date:
Dec 31, 1993
Product Type:
Conference
Report Number:
NEA-CSNI-R-94-1; CONF-9309237-
Reference Number:
SCA: 360106; 210200; PA: AIX-28:029665; EDB-97:055531; SN: 97001764662
Resource Relation:
Conference: International Atomic Energy Agency (IAEA) specialist meeting on irradiation embrittlement and optimization of annealing, Paris (France), 20-23 Sep 1993; Other Information: PBD: 1993; Related Information: Is Part Of Irradiation embrittlement and optimisation of annealing; PB: 292 p.
Subject:
36 MATERIALS SCIENCE; 21 NUCLEAR POWER REACTORS AND ASSOCIATED PLANTS; STEEL-CR2MOV; PHYSICAL RADIATION EFFECTS; WWER TYPE REACTORS; CHARPY TEST; CLEAVAGE; DUCTILE-BRITTLE TRANSITIONS; EMBRITTLEMENT; FRACTURE PROPERTIES; MECHANICAL TESTS; NEUTRON FLUENCE; PRESSURE VESSELS; STEELS
OSTI ID:
455763
Research Organizations:
Nuclear Energy Agency, 75 - Paris (France). Committee on the Safety of Nuclear Installations
Country of Origin:
NEA
Language:
English
Other Identifying Numbers:
Other: ON: DE97620233; TRN: XN9600140029665
Availability:
INIS; OSTI as DE97620233
Submitting Site:
INIS
Size:
pp. 1-18
Announcement Date:

Citation Formats

Valo, M, Bars, B, and Ahlstrand, A. Irradiation embrittlement of some 15Kh2MFA pressure vessel steels under varying neutron fluence rates. NEA: N. p., 1993. Web.
Valo, M, Bars, B, & Ahlstrand, A. Irradiation embrittlement of some 15Kh2MFA pressure vessel steels under varying neutron fluence rates. NEA.
Valo, M, Bars, B, and Ahlstrand, A. 1993. "Irradiation embrittlement of some 15Kh2MFA pressure vessel steels under varying neutron fluence rates." NEA.
@misc{etde_455763,
title = {Irradiation embrittlement of some 15Kh2MFA pressure vessel steels under varying neutron fluence rates}
author = {Valo, M, Bars, B, and Ahlstrand, A}
abstractNote = {Irradiation sensitivity of two forging materials was measured with Charpy-V and fracture mechanic tests, and with different fluence, fluence rate and irradiation time values. Irradiation sensitivity of the materials was found to be less or equal to the current Russian standard, and appears to be well described by the fluence parameter only. A slight additional effect on embrittlement from a long term low fluence irradiation is noticed, but it stays within the total scatter band of data. 7 refs., 17 figs., 4 tabs.}
place = {NEA}
year = {1993}
month = {Dec}
}