Title of article
LifetimeevaluationofgraphitecomponentsforHTGRsOriginalResearchArticle
Author/Authors
TatsuoOku، نويسنده , , MasahiroIshihara، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2004
Pages
9
From page
209
To page
217
Abstract
Thelifetimeofmaterialand/orcomponentshasbeendiscussedindividuallyfromdifferentconcepts,andsometimesgivesconfusiontomaterialresearchersaswellasdesigners.Thelifetimeofmaterialsisdeterminedbasedonthedimensionalchangesduetoneutronirradiation,atwhichtheyreturntotheiroriginaldimensionsafterinitiallycontracting.Ontheotherhand,thelifetimeofcomponentsforHTGRsisdefinedbasedonamarginofthespecifiedminimumultimatestrengthsofthegraphitetothestressesinducedinthecomponents.Asanexample,thestressesinducedinthegraphiteblockfortheHTTRwere,then,comparedwiththelimitedstressvaluedeterminedfromthespecifiedminimumultimatestrength,andthelifetimeofthecomponentwasevaluatedandcomparedwiththatdefinedasdimensionalchanges.Asaresult,itwasfoundthatthelifetimeofcomponentsforHTGRsshouldbedeterminedastheshorteroneinthetwolifetimesdefinedbythestress-strengthrelationshipandbythedimensionalchanges.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2004
Journal title
Nuclear Engineering and Design Eslah
Record number
894653
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