bulk metallic glass
Machining of Bulk Metallic Glass
... Drilling is a widely used machining process for hole making. This study extends the research in machining of bulk metallic glass (BMG) from lathe turning to drilling [1- 3]. Drilling is one of the ...
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Synthesis of Ti Based Bulk Metallic Glass Composites Containing WC Particles
... of bulk metallic glass due to their high specific strength to weight ratio, good ductility and relatively low cost of ...insoluble metallic particles embedded in the amorphous matrix, which can ...
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Structural Relaxation and Crystallization of a Zr44Ti11Cu9 8Ni10 2Be25 Bulk Metallic Glass
... bulk metallic glass has been investigated using XRD, DSC, HRTEM, EXAFS, and dilatometry after annealing at a fixed temperature at 688 K in the supercooled liquid region for various ...
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Compression Compression Fatigue and Fracture Behaviors of Zr50Al10Cu37Pd3 Bulk Metallic Glass
... The fatigue-damage processes of bulk-metallic glass generally include the following steps. First, shear bands form at the beginning of the fatigue process. The presence of a shear band in the ...
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Indenter Geometry Affecting Indentation Behaviors of the Zr Based Bulk Metallic Glass
... 1) bulk metallic glasses (BMGs) with amorphous microstructures have been given huge attentions because of their excellent properties, 26) such as high hardness, fracture strength, elastic limit, strength, ...
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Structure of Zr52Ti5Cu18Ni15Al10 Bulk Metallic Glass at Elevated Temperatures
... a bulk metallic glass up to its melt. The glass transition and the phase formation during crystal- lization were followed in situ by high-temperature X-ray syn- chrotron ...
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Nucleation and Growth in Undercooled Melts of Bulk Metallic Glass Forming Zr60Ni25Al15 Alloy
... the glass phase has been clearly explained by considering the nucleation event during the cooling proce- ...the glass transition temperature, and the glass phase is produced only when nucleation does ...
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Tensile Plastic Deformation Behavior of Zr70Ni16Cu6Al8 Bulk Metallic Glass at Cryogenic Temperature
... A hypoeutectic Zr Ni Cu Al bulk metallic glass (BMG) shows a clear tensile plastic deformation under a high strain rate condition at room temperature. In this study, the effect of cryogenic ...
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Nano glass Mechanism of Bulk Metallic Glass Formation
... new bulk metallic ...for bulk metallic glass formation through the micro- scopic theory of glass transition and viscosity of liquid, based principally upon the atomic ...to ...
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Phase Transition of Shock Loaded ZrTiCuNiBe Bulk Metallic Glass under Continuous Heating
... The structure of materials is profoundly altered under high pressure through large changes in atomic spacing, chemical bonding, and Gibbs free energy. 1) The structural transition, or phase transition, varies under ...
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Microindentation of a Zr57Ti5Cu20Ni8Al10 Bulk Metallic Glass
... of metallic glas- ...1 bulk metallic glass and observed that the simulation result was in agreement with the experimental data with the indentation load being proportional to the square of the ...
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Microstructure and Mechanical Properties of Cu Zr Al Bulk Metallic Glass with Addition of Co
... (x = 0, 1, 2, 3 and 4) alloys depends very much on the Co content. The alloy without Co addition exhibits uniform amorphous structure, while addition of an appropriate amount of Co (x ² 2) moves the alloy composition ...
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Air Oxidation of an Fe48Cr15C15Mo14B6Er2 Bulk Metallic Glass at 600–725°C
... In a review of the literature,16 the initial oxidation of FeCr-Mo alloys preferentially form a protective scale of chromium and iron oxides, while MoO2 is formed by inward diffusion of ox[r] ...
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Influence of In Situ Nanoprecipitation on Constant Load Deformation in the Glass Transition Region of a Cu60Zr30Ti10 Bulk Metallic Glass
... subsequent recovering phenomena which have been observed in a ‘stable’ Zr-based BMG and also hardening through whole deformation process due to the in situ nanoprecipitation in the glass matrix. These ...
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Glass Forming Ability and Mechanical Properties of Misch Metal Based Bulk Metallic Glass Matrix Composite
... The thermal stability associated with glass transition and crystallization was investigated at heating rate of 0.67 K/s by differential scanning calorimetry (DSC, Perkin-Elmer DSC7). The melting and liquidus ...
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The Effects of Fe2P and Fe3P Intermediate Equilibrium Phases on Glass Forming Ability of Fe76Si9B10P5 Bulk Metallic Glass
... In the last two decades, bulk metallic glasses (BMGs) have achieved a significant progress in their academic, scientific and engineering knowledge as well as applications. 1) These progresses have been ...
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Influence of Indenter Geometry on the Deformation Behavior of Zr60Cu30Al10 Bulk Metallic Glass during Nanoindentation
... the metallic glasses at room temperature has been of great scientific interests over the past two decades (even before it became possible to produce them in bulk ...
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Electronic Structure and Stability of the Pd Ni P Bulk Metallic Glass
... These s, p-dominant bands marked as AC possess much narrower bandwidth than the free electron like s, p-bands in the typical metallic phases, such as fcc aluminum shown in Fig. 2(d). This fact indicates that ...
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Designing Bulk Metallic Glass Matrix Composites with High Toughness and Tensile Ductility
... The bulk material is comprised of many grains and mechanical properties are connected to the size of these grains (at least in the case of low stacking fault energy materials ...experimentation, metallic ...
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Microstructural Change and Corrosion Behavior During Rolling of Zr-based Bulk Metallic Glass
... specimen. Plastic deformation of BMG is known to be inhomogeneous with formation of highly localized shear bands under temperatures far below glass transition temperature, realized by a series of atomic ...
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