Glass Formation
New Interpretation for Libyan Desert Glass Formation
... Desert Glass in the southwest corner of the Great Sand Sea near the Libyan border, its source of formation has become the subject of controversy that still has not been ...the formation mechanism of ...
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Glass-formation region of ternary Sn-Sb-Se-based chalcogenide glasses
... their glass formation region was assumed to be small comparing to their counterpart elements in the same ...their glass structure, while their glass boundary formation region was not ...
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Kinetics and Thermodynamics of Bulk Glass Formation in a Zr52 5Cu17 9Ni14 6Al10Ti5 Alloy
... a careful control of the atmosphere conditions in the casting chamber was necessary. In particular, the presence of oxygen contamination promotes the nucleation of a fcc “big cube” phase, reducing glass ...
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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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Glass formation and properties of glass and glass-ceramics in Strontium oxide-lanthanum trioxide-boric oxide and barium oxide-lanthanum trioxide-boric oxide systems.
... A comparison of the sizes of the glass forming regions In the present study with that reported for the CdO-LagO^-BgO^ system in the literature (2 ) shoxvs that these regions are wider. This may be explained on the ...
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Ultrasonic characterisation of calcium phosphate glasses and glass-ceramics with addition of TiO 2
... their inherent physical, chemical, mechanical and bioactive properties. Generally, phosphate based bioactive glasses find wide applications in biomedical field due to their properties. The existence of higher solubility ...
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Preparation of Cu-based bulk metallic glasses by suction casting
... The glass-forming ability, structure and thermal stability of Cu-Hf-Ti glassy alloys were studied by X-ray diffraction (XRD), differential scanning calorimetry (DSC) and differential thermal analysis ...Bulk ...
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Liquid -to-glass transition in bulk glass-forming Cu55-xZr45Agx alloys using molecular dynamic simulations
... Fig. 2, exhibits the changes of the total simulated PDF for all presented alloys during heating and cooling process. As shown in Fig. 2(a), at the temperature of 300K in heating process, the whole system is in a ...
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Structural and optical properties of erbium/neodymium co-doped magnesium phosphate glass
... large glass formation regions that are good host for fluorescence ...the glass network during the melting ...other glass forming oxides or modifiers can contribute in the change of the ...
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Uranium glasses: II Uranium silicate glasses
... PROPERTIES Range of Glass Formation The chief purpose of this study was to determine the limits of compositions that would form glasses in a system that was principally uranium silicate.[r] ...
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Forensic Interpretation of Glass Evidence pdf
... It should be apparent that the shape of a histogram is entirely dependent on the number of bins. For example, the 1994 New Zealand database of casework samples consists of 2656 measurements. From Figure 6.1 we can see ...
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Formation of Nanocrystalline Globules and Metallic Glass in Fe70 xCuxZr10B20 (x=0–70) Alloys
... study. Formation of the marble-like structure cannot be explained by dendritic growth and/or eutectic growth during the solidification ...the formation mech- ...
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Formation of Hydroxyapatite on Ti Coated Ti Zr Cu Pd Bulk Metallic Glass
... Ti-based bulk metallic glasses (BMGs) have an attractive potential to be applied as biomaterials due to their high corrosion resistance, excellent mechanical properties and good biocompatibility. 1) Recently, Ni-free ...
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Severe Plastic Deformation of Amorphous Alloys
... Bulk metallic glasses having a disordered amorphous structure have been in the focus of recent intensive materials research due to their special mechanical properties, however, these materials exhibit brittleness in ...
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Doping silica beyond limits with laser plasma for active photonic materials
... detected using an ORTEC surface barrier detector mounted in Cornell geometry – detector under the beam, with vertical sample rotation axis – at scattering angle of = 165 o . An electron source installed in the sample ...
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Uranium glasses III uranium phosphate glasses
... Abstract--The maximum concentration of uranium dioxide (40 w/o) was determined for stable, usable phosphate glasses. A number of such glasses were developed and probable structures are suggested. The properties of a ...
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Can imaging be the new yardstick for diagnosing peripheral neuropathy?—a comparison between high resolution ultrasound and MR neurography with an approach to diagnosis
... Fig. 11 a Transverse HRUS shows partial loss of fascicular architecture with nerve thickening in the CPN (white arrowheads in panel on the left) soon after its origin from the sciatic nerve in a patient with ...
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Characteristic Studies on Whisker Reinforced Borosilicate Glasses
... of Glass and Ceramics scanning and transmission electron microscopy (SEM and ...base glass is presented by Figure 3(a) and Figure 4(a) which show nearly homogenous glass ...rosilicate glass at ...
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Thermochromic Biopolymer Based on Natural Anthocyanidin Dyes
... the glass state the polymer backbone is sufficiently flexi- ble to form multiple H-bonds with the hydroxyl groups of the ...the glass state transforms into a rigid amorphous ...
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Antiadhesive activity of poly-hydroxy butyrate biopolymer from a marine Brevibacterium casei MSI04 against shrimp pathogenic vibrios
... Preliminary assay was set with standard PHB (Sigma) and Brevibacterium PHB coated glass slide. The antiad- hesive activity of the Brevibacterium PHB on vibrio pathogens was tested according to the procedure de- ...
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