Title of article
Embrittlementbehaviorofzircaloy-4claddingduringoxidationandwaterquenchOriginalResearchArticle
Author/Authors
JunHwanKim، نويسنده , , MyoungHoLee، نويسنده , , ByoungKwonChoi، نويسنده , , YongHwanJeong، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2005
Pages
9
From page
67
To page
75
Abstract
Simulatedlossofcoolantaccident(LOCA)testsonZircaloy-4claddingwerecarriedouttoevaluatethethermalshockpropertyduringtheinjectionofemergencycorecoolant.AZircaloy-4specimenwasoxidizedinasteamenvironmentbetween1000and1250°Cfollowedbyafloodingofthecoolingwater.Afterthetest,theductilityofthethermallyembrittledspecimenwasmeasuredbyaring-compressiontestandamicrostructuralanalysiswascarriedout.Theresultsshowedthatthethresholdequivalentcladdingreacted(ECR)valuetocauseafailurewashigherthantheconventional17%criterioncalculatedbytheBaker–Justequation.Aresidualmetalthicknessunder0.3mmaswellasaring-compressionductilitybelow0.2mmforafractureiseffectivetoassessthethermalshockembrittlementofZircaloy-4inanaxiallyunrestrained,oreveninarestrainedcondition.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2005
Journal title
Nuclear Engineering and Design Eslah
Record number
894838
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