Plasticity Analysis of Nano—Grain—Sized NiAl Alloy in an Atomic Scale-中国期刊网

摘要 Themoleculardynamicsmethodisusedtosimulateauniaxialtensiledeformationof3.8nmnano-NiAlalloywithcurvedamorphous-likeinterfacesat0K.Plasticdeformationbehaviourisstudiedbyexaminingthestrainstressrelationshipandthemicrostructuralevolutioncharacteristics.Atomiclevelanalysishasshownthatthemicro-strainisessentiallyheterogeneousinsimulatednano-phasesamples.Theplasticdeformationisnotonlyattributedtotheplasticityofinterfaces,butalsoaccompaniedwiththeplasticshearstrainmechanisminsidelatticedistortionregionsandgrains.

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Plasticity Analysis of Nano—Grain—Sized NiAl Alloy in an Atomic Scale

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Plasticity Analysis of Nano—Grain—Sized NiAl Alloy in an Atomic Scale

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