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ASTM Selected Technical Papers
Effects of Radiation on Materials: 19th International Symposium
ISBN-10:
0-8031-2852-5
ISBN:
978-0-8031-2852-1
No. of Pages:
1286
Publisher:
ASTM International
Publication date:
2000
eBook Chapter
Comparison of Observed and Predicted Data on Radiation Induced Grain Boundary Phosphorus Segregation in VVER Type Steels
By
AV Nikolaeva
,
AV Nikolaeva
1
Senior research scientist
, Nuclear Safety Institute, Russian Academy of Sciences
, B.Tulskaya 52, 113191 Moscow,
.Russia
Search for other works by this author on:
YR Kevorkyan
,
YR Kevorkyan
2
Leading research scientists
, Russian Research Center “Kurchatov Institute”, ORM
, Kurchatov Sq. 1, 123182 Moscow,
.Russia
Search for other works by this author on:
YA Nikolaev
YA Nikolaev
2
Leading research scientists
, Russian Research Center “Kurchatov Institute”, ORM
, Kurchatov Sq. 1, 123182 Moscow,
.Russia
Search for other works by this author on:
Page Count:
13
-
Published:2000
Citation
Nikolaeva, A, Kevorkyan, Y, & Nikolaev, Y. "Comparison of Observed and Predicted Data on Radiation Induced Grain Boundary Phosphorus Segregation in VVER Type Steels." Effects of Radiation on Materials: 19th International Symposium. Ed. Hamilton, M, Kumar, A, Rosinski, S, & Grossbeck, M. 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959 : ASTM International, 2000.
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The influence of impurity grain boundary segregation on mechanical properties of low-alloy Cr-Ni-Mo steels is discussed. Mechanisms of impurity and alloying effects on grain boundary embrittlement of low-alloy steels are considered. An approach for estimation of radiation enhanced grain boundary segregation kinetics is proposed. The approach takes into account the reduction of dislocation density (from 1×1014 to 1×1013 m-2) due to irradiation that was observed for low-alloy Cr-Ni-Mo steels. The influence of collision cascades on the radiation damage is also considered. Auger spectroscopy is used for grain boundary segregation detection. The contribution of grain boundary embrittlement to mechanical property degradation due to neutron irradiation is assessed.
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Effects of Radiation on Materials: 19th International Symposium
