Abstract
The sensitivity to LME is likely to increase with irradiation hardening as localised stresses can promote the
aggressive action of a liquid metal. To investigate the mechanical response of irradiated materials in contact with a liquid metal,
an instrumented hot cell has been developed. The testing machine installed inside allows mechanical testing of active materials
in liquid lead lithium under well controlled chemistry conditions. In this paper the first results of the
SSRT tests with EUROFER97 in argon and lead–lithium at different temperatures with different strain rates will be presented.
The SSRT test method has been chosen due to the accelerated nature of the test, i.e., during straining the oxide layer will be
ruptured and wetting of the sample surface by the lead–lithium melt is promoted. The results collected up till now showed no
sign of LME. Tests with longer pre-exposure times and tests with irradiated samples will be carried out in the next phase. A
longer pre-exposure time can enhance wetting and so the susceptibility to LME. An increase of the yield stress due to irradiation
can also enhance the susceptibility to LME.
Original language | English |
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Pages (from-to) | 2615-2620 |
Journal | fusion engineering and design |
Volume | 82 |
Issue number | 15-24 |
DOIs | |
State | Published - Oct 2007 |