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| Book/Report | FZJ-2018-02595 |
1986
Kernforschungsanlage Jülich, Verlag
Jülich
Please use a persistent id in citations: http://hdl.handle.net/2128/18272
Report No.: Juel-2050
Abstract: Liquid metal corrosion and embrittlement have been investigated under conditions expected for the lead based target element of the spallation neutron source. Emphasis has been put on the reaction between liquid lead and aluminium, as well as on the reaction of mercury, one of the spallation products, with the aluminium cladding of the target element. Tensile tests after a pretreatment in liquid mercury show for an AlCuMg alloy a severe decrease of the ductility. For a thin sheet specimen of the Al 6061-T6 alloy a dramatic loss of the ductility was found. Static isothermal corrosion tests show a severe attack of liquid lead on the aluminium alloys. In cyclic loading tests of AIMgSi-alloys in mercury a decrease in cycles to fracture was found at higher stress levels, but the fatigue limit was unaffected.
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