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