Irradiation-induced embrittlement of a 2.25Cr1Mo steel

Irradiation-induced embrittlement of a 2.25CrlMo is investigated by means of small punch testing and scanning electron microscopy (SEM). The ductile-brittle transition temperature (DBTT) determined by the small punch test is much lower than that determined by the standard Charpy test. There are some irradiation-induced embrittlement effects after the steel is irradiated at about 270 degrees C for 46 days with a neutron dose rate of 1.05 x 10(-8) dpa s(-1) and at about 400 degrees C for 86 days with a neutron dose rate of 1.75 x 10(-8) dpa s(-1). In addition, there is some temper embrittlement after the steel is aged at about 400 degrees C for 86 days. (C) 2000 Elsevier Science B.V. All rights reserved.


Published in:
Journal of Nuclear Materials, 280, 2, 162-168
Year:
2000
ISSN:
0022-3115
ISBN:
0022-3115
Laboratories:
SPC
CRPP




 Record created 2008-04-16, last modified 2018-01-28


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