API X-100steelisoneoftherecentlydevelopedmaterialsforproductionofgastransportationpipelines which hashighstrengthandtoughness.Inordertostudythefailureofthismaterial,experimentson smooth andnotchedroundbarsand flat notchedspecimenswithdifferentnotchradiusaredone. Whereas thismaterialisseverelyanisotropicinplasticregion,Hill's1948anisotropicplasticitymodelis used tosimulatethismaterial.X-100steelishighlyductileandneckingoccursatearlystagesofplastic region. Lode angle,whichcontainstheeffectofthirdinvariantofdeviatoricstresstensor,alongwith triaxiality factorarestudiedinthefractureofthismaterial.Basedontheseexperimentsandanalysis,a correlation isextractedforthefailurestrainofthismaterialasafunctionoftriaxialityandLodeangle which isveryusefulinpipelinefailureanalysis.
A new experimental failure model based on triaxiality factor and Lode angle, for X-100 pipeline steel
MIRONE, GIUSEPPE
2014-01-01
Abstract
API X-100steelisoneoftherecentlydevelopedmaterialsforproductionofgastransportationpipelines which hashighstrengthandtoughness.Inordertostudythefailureofthismaterial,experimentson smooth andnotchedroundbarsand flat notchedspecimenswithdifferentnotchradiusaredone. Whereas thismaterialisseverelyanisotropicinplasticregion,Hill's1948anisotropicplasticitymodelis used tosimulatethismaterial.X-100steelishighlyductileandneckingoccursatearlystagesofplastic region. Lode angle,whichcontainstheeffectofthirdinvariantofdeviatoricstresstensor,alongwith triaxiality factorarestudiedinthefractureofthismaterial.Basedontheseexperimentsandanalysis,a correlation isextractedforthefailurestrainofthismaterialasafunctionoftriaxialityandLodeangle which isveryusefulinpipelinefailureanalysis.| File | Dimensione | Formato | |
|---|---|---|---|
|
2014 KESH-GHAJ-MIRO IJMS.pdf
solo gestori archivio
Tipologia:
Versione Editoriale (PDF)
Licenza:
NON PUBBLICO - Accesso privato/ristretto
Dimensione
3.86 MB
Formato
Adobe PDF
|
3.86 MB | Adobe PDF | Visualizza/Apri |
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
