Title of article :
Embrittlementbehaviorofzircaloy-4claddingduringoxidationandwaterquenchOriginalResearchArticle
Author/Authors :
JunHwanKim، نويسنده , , MyoungHoLee، نويسنده , , ByoungKwonChoi، نويسنده , , YongHwanJeong، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2005
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
Journal title :
Nuclear Engineering and Design Eslah
