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2篇 您的检索式:作者名="X.D.Hui"
    题名 作者 年代 出处 被引量
1Designing Bulk Metallic Glass Composites with Enhanced Formability and Plasticity显示文摘To address the main stumbling-block of bulk metallic glasses(BMGs), i.e., room temperature brittleness,designing BMG matrix composites has been attracted extensive attention. Up to date, BMG composites in various alloy systems have been successfully developed by forming crystalline phases embedded in the amorphous matrix through either ex-situ or in-situ methods. In this paper, a brief review of our recent work in this topic will be presented and the novel approaches to improving composite formability and mechanical properties will also be highlighted. The main purpose of this manuscript is not to offer a comprehensive review of all the BMG composites, but instead focuses will be placed on illustrating recently developed advanced BMG composites including Fe-based BMG composite with no metalloids, Al-based BMG composite and BMG composites reinforced by the TRIP(transformation-induced plasticity) effects. The basic ideas and related mechanisms underlying the development of these novel BMG composites will be discussed.Y.Wu H.Wang X.J.Liu X.H.Chen X.D.Hui Y.Zhang Z.P.Lu 2014Journal of Materials Science & Technology2014,30,6:3
2Ultrasonic excitation induced nanocrystallization and toughening of Zr46.75Cu46.75Al6.5 bulk metallic glass显示文摘Intensive power ultrasound is introduced to Zr46.75Cu46.75Al6.5bulk metallic glass(BMG)as an easy-procurable,non-destructive physical method to modulate its atomic rearrangement and shear deformation behavior.The microstructure after ultrasonic excitation with amplitude about 15μm in 20 k Hz for 2 h is characterized by large amount of Cu10Zr7 nanocrystals with size of 20–50 nm embedded in the glass matrix.This leads to a sharp increase in the critical stress for the first pop-in event of shear banding,and thus simultaneously improves both compressive plasticity and yield strength.Our findings provide a novel approach for overcoming the strength-ductility trade-off dilemma.W.Zhai L.H.Nie X.D.Hui Y.Xiao T.Wang B.Wei 2020Journal of Materials Science & Technology2020,42,10:1
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