Degradation Mechanisms of Pressure Vessel Internal Steel (18Cr-10Ni-Ti) Irradiated with Heavy Ions

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Mechanisms of degradation of physical-mechanical properties of PVI steels during irradiation are studied. Microstructure evidence of influence of irradiation temperature, dose and dose rate on processes of low-temperature swelling and embritllement of pressure vessel internal materials, 18Cr-10Ni-Ti steel, of reactor WWER 1000 are presented. Micro mechanisms of plastic deformation and steel failure in wide range of temperatures and irradiation doses are described. Analysis of influence of subsequent and simultaneous irradiation with beams of gas and heavy ions is carried out for investigation of influence of gaseous impurities that form through transmutation nuclear reactions on defected structure evolution under irradiation.

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Periodical:

Materials Science Forum (Volumes 561-565)

Main Theme:

Edited by:

Young Won Chang, Nack J. Kim and Chong Soo Lee

Pages:

1725-1728

Citation:

V. Voyevodin et al., "Degradation Mechanisms of Pressure Vessel Internal Steel (18Cr-10Ni-Ti) Irradiated with Heavy Ions", Materials Science Forum, Vols. 561-565, pp. 1725-1728, 2007

Online since:

October 2007

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$38.00

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