bulk metallic glass (BMG)
Influence of Silicon Additions on the Microstructure and Mechanical Properties of Cu47Ti34Zr11Ni8 Bulk Metallic Glass Forming Alloys
... the bulk metallic glass (BMG) synthesized by Chen in 1974, 1) BMGs has been considered to be natural candidates for structural applica- tions due to their excellent mechanical properties such as high ...
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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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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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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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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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Effect of Inoculation on Phase Formation and Indentation Hardness Behaviour of Zr47 5Cu45 5Al5Co2 and Zr65Cu15Al10Ni10 Bulk Metallic Glass Matrix Composites
... their nature and micro- structural features (e.g. primary, secondary and tertiary dendrite arm spacing) [43] [52]. It also generates pole figures and grain size histograms which again can be used to determine mechanical ...
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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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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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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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Nano glass Mechanism of Bulk Metallic Glass Formation
... of glass transition based upon the concept of local topological instability of the atomic structure was ex- tended to deal with multi-component ...local glass transition temperatures results in more gradual ...
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EBSD microstructure mapping of Zr 47.5 Cu 45.5 Al 5Co2 bulk metallic glass matrix composite to ascertain the effect of inoculation in promoting crystallinity Muhammad Musaddique Ali RAFIQUE 1, Milan BRANDT2 , Mark Easton 3
... on bulk metallic glass matrix composite samples with the help of EDS and EBSD detectors attached with high speed digital cameras enables both to be used as imaging ...
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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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Fracture Toughness Study on Bulk Metallic Glasses and Novel Joining Method Using Bulk Metallic Glass Solder
... Dimple patterns of the BMG fracture surfaces (region “B” in Figure 3-2(a)) are shown in Figure 3-3. This region of the fracture surface is covered by isotropic dimples (no specific directionality) indicating that failure ...
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Designing Bulk Metallic Glass Matrix Composites with High Toughness and Tensile Ductility
... interface between the BMG matrix and the inclusion determines how the composite will fail during unconfined loading. In the case of particulate reinforced BMGs, brittle materials such as carbides are often used to arrest ...
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Tungsten fibre reinforced Zr-based bulk metallic glass composites
... are blocking the propagation of the single shear band. The multiple shear bands also propagate and then stop at the fiber/matrix interface. Further compression leads to more shear bands being generated in the BMG matrix ...
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Glass Forming Ability and Mechanical Properties of Misch Metal Based Bulk Metallic Glass Matrix Composite
... As typical plastic strain for BMGs in room temperatures compression test are generally less than 1.0%, 12–14) we suppose that the plastic deformation of this BMG matrix composite alloy is enhanced by the introduction of ...
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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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Crystallization Behavior and Structural Stability of Zr50Cu40Al10 Bulk Metallic Glass
... Bulk metallic glasses, so-called ‘‘BMG’’s, exhibiting a wide supercooled liquid region have attracted considerable attention not only from engineering aspects but also from glass science ...
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Structural Features of the Extraordinary Low Glass Transition Temperature for Au65Cu18Si17 Bulk Metallic Glass
... features of this BMG facilitate superplastic deformation at a relatively low temperature below 100°C. Therefore, the AuSi based BMGs can be applied to various industrial fields such as micro- or nano-machinery, ...
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