Molten Material Behavior in the Three Mile Island Unit 2 Accident

Hobbins, R.R.; Russell, M.L.; Olsen, Charles S.; McCardell, R.K.

doi:10.13182/nt89-a27692

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Central Melt1

Comparison Of Integral Experiments1

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2008

2022

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Cited by 11 publications

(2 citation statements)

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“…(Bottomley, 1989) Some of the silver-indium control rod material alloyed with tin from zircaloy appeared as discrete metallic inclusions in which chromium oxide particles were present in voids. (McCardell, 1989) Figure 38 is an SEM image of a spherical silver inclusion within a multi-phase material.…”

Section: Central Meltmentioning

confidence: 99%

Management of the Three Mile Island Unit 2 Accident Corium and Severely Damaged Fuel Debris (Rev. 2)

Winston

2022

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Section: Central Meltmentioning

confidence: 99%

Management of the Three Mile Island Unit 2 Accident Corium and Severely Damaged Fuel Debris (Rev. 2)

Winston

2022

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“…Examination of the formerly molten pool in the TMI-2 core revealed that the pool is principally made of (U,Zr)O 2 , containing transition metal oxides of Cr 2 O 3 and Fe 3 O 4 in the grain boundaries [103]. The melting point of the pure (U,Zr)O 2 ceramic is 2800 K, however, as found in the TMI-2 examination, the transition metal oxides can react eutecticaly with ZrO 2 and lower the liquidus temperature of the ceramic melt by about $100 K [104].…”

Section: Comparison Of Integral Experimentsmentioning

confidence: 99%