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Room-temperature creep and structural relaxation of Mg–Cu–Y metallic glasses
Abstract Structural relaxation of Mg–Cu–Y metallic glasses occurs at room-temperature (∼0.7 Tg) and induces an abrupt embrittlement after periods of time that depend on the relative proportions of CuExpand
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On the glass transition in metallic melts
Abstract Experimental determinations of the glass transition and related properties in alloys are reviewed. Several recent measurements of viscosity, specific volume and heat capacity in theExpand
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Structural analysis of rapidly solidified Mg–Cu–Y glasses during room-temperature embrittlement
The structural changes of rapidly-quenched amorphous Mg–Cu–Y alloys during time-dependent room-temperature embrittlement were investigated. A continuous reduction in enthalpic content with time,Expand
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Nanoindentation studies of shear banding in fully amorphous and partially devitrified metallic alloys
Nanoindentation loading curves on metallic glasses can show sharp, constant-load steps. The relationship of these steps to shear-band initiation is explored for a wide range of metallic glasses, fromExpand
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Critical Poisson ratio for room-temperature embrittlement of amorphous Mg85Cu5Y10
When prepared as a thin foil by rapid solidification, the Mg85Cu5Y10 amorphous alloy undergoes a ‘ductile’/brittle transition upon bending after ageing at room temperature. This macroscopic behaviourExpand
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Effects of BaRuO3 addition on hydrogen desorption in MgH2
Abstract Hydrogen storage in MgH 2 is strongly limited by kinetic constraints, so that several additives have been considered in order to improve the rate of hydrogen desorption. The present work isExpand
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Structure, microstructure and microhardness of rapidly solidified Smy(FexNi1-x)4Sb12 (x = 0.45, 0.50, 0.70, 1) thermoelectric compounds
Abstract Skutterudites are interesting compounds for thermoelectric applications. The main drawback in the synthesis of skutterudites by solidification of the melt is the occurrence of two peritecticExpand
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Improvement of the glass-forming ability of Zr55Cu30Al10Ni5 and Cu47Ti34Zr11Ni8 alloys by electro-deoxidation of the melts
A novel electrochemical method is presented for removing oxygen from glass-forming liquids in a molten-salt electrolyte. The effect of the electrolysis time on the glass-forming ability of Zr 55 CuExpand
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Preparation and characterization of Fe-based bulk metallic glasses in plate form
abstract Amorphous alloys with composition (at%) Fe 48 Cr 15 Mo 14 C 15 B 6 Gd 2 (alloy A) and Fe 48 Cr 15 Mo 14 C 15 B 6 Y 2 (alloy B) were prepared either using pure elements (A and B1) and aExpand
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Experimental Assessment of Lithium Hydride's Space Radiation Shielding Performance and Monte Carlo Benchmarking
The harmful effects of space radiation pose a serious health risk to astronauts participating in future long-term missions. Such radiation effects must be considered in the design phase of spaceExpand
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