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Thermodynamics, kinetics, and crystallization of Pt₅₇.₃Cu₁₄.₆Ni₅.₃P₂₂.₈ bulk metallic glass forming alloy

Creator:: Legg, Benjamin A.
Abstract:: This study utilizes differential scanning calorimetry (DSC) to characterize the thermodynamics, kinetics and crystallization b processes of a new Pt₅₇.₃Cu₁₄.₆Ni₅.₃P₂₂.₈ bulk metallic glass forming alloy. The heat capacity of the alloy is measured for the crystalline, glassy, and supercooled liquid phases. This data is used to obtain thermodynamic driving forces...
Resource Type:: Masters Thesis

Advancing the understanding of bulk metallic glasses as structural materials through exploration of mechanical properties

Creator:: Naleway, Steven E.
Abstract:: Bulk metallic glasses (BMGs) offer a great deal of potential through their near-theoretical strength, potentially high toughness and unique forming and molding traits. However, there are still a number of outstanding issues that bar their widespread use. This thesis describes the investigation of three research questions each designed to further...
Resource Type:: Masters Thesis
Full Text:: Advancing the Understanding of Bulk Metallic

Effect of ambient environment on the fracture and fatigue properties of Zr-based bulk metallic glasses

Creator:: Philo, Sarah L.
Abstract:: The effect of ambient environment on the fatigue behavior of two Zr-Ti-Cu-Ni-Be bulk metallic glasses (BMGs) is examined in the present study. The first metallic glass, Zr₄₄Ti₁₁Ni₁₀Cu₁₀Be₂₅, was tested to establish the presence of an environmental effect in the fatigue growth curve measured in ambient air. Fatigue growth curves produced...
Resource Type:: Masters Thesis
Full Text:: Ambient Environment on the Fracture and Fatigue Properties of Zr- Based Bulk Metallic Glasses

Fatigue and fracture of bulk metallic glasses : role of free volume

Creator:: Launey, Maximilien E.
Abstract:: Deformation of metallic glasses requires the existence of free volume to allow atomic movement under mechanical loading. Accordingly, the present research seeks to understand how free volume variations in alloys of identical compositions affect the fatigue and fracture behavior. By annealing below the glass transition temperature, the free volume of...
Resource Type:: Dissertation
Full Text:: . Title: Fatigue and Fracture of Bulk Metallic Glasses: Role of Free Volume. Abstract approved

Effect of Imprinting Process on Fracture Behavior of a Zr-based Bulk Metallic Glass

Creator:: Li, Bosong
Abstract:: Bulk metallic glasses (BMGs) are relatively new amorphous materials that have received much attention in recent years. Rapid cooling methods from the liquid state provides the possibility to bypass crystallization during solidification. Due to the lack of crystal defects such as grain boundaries and dislocations, BMGs can have some special...
Resource Type:: Masters Thesis
Full Text:: Bulk Metallic Glass Abstract approved: ______________________________________________________

Viscosity of the Zr₄₁.₂Ti₁₃.₈Cu₁₂.₅Ni₁₀.₀Be₂₂.₅ bulk metallic glass forming alloy above the liquidus temperature

Creator:: Way, Christopher D.
Abstract:: The viscosity of Zr[subscript 41.2]Ti[subscript 13.8]Cu[subscript 12.5]Ni[subscript 10.0]Be[subscript 22.5] (Vit1) has been measured above the liquidus temperature, T[subscript liq]=1026 K, using a high vacuum high temperature rapid annealing furnace equipped with a Couette Concentric Cylinder Rheometer. Steady state measurements have been taken over a temperature range of 1075-1300 K and...
Resource Type:: Dissertation
Full Text:: the ZrTiCuNjrn Bulk Metallic Glass Forming Alloy Above the Liciuidus Temperature Abstract approved

Thermodynamics of the Pd₄₃Ni₁₀Cu₂₇P₂₀ metallic glass-forming alloy

Creator:: Kuno, Masahiro
Abstract:: By the investigation of the bulk metallic glass-forming liquids that have very low critical cooling rates, the thermodynamics of metallic glasses can be clarified. For studying thermodynamic properties, such as the specific heat capacity, calorimetry (DSC) is utilized and one of the most used instruments is the differential scanning calorimeter....
Resource Type:: Masters Thesis
Full Text:: Thermodynamics of the Pd43Ni10Cu27P20 metallic glass-forming

On the fragility and equilibrium phases of metallic glass forming alloys

Creator:: Shadowspeaker, Ludi A.
Abstract:: The heating rate dependence of the glass transition temperature of the Ni₆₅Nb₃₅, Ni₆₀Nb₃₅Sn₅, Ni₅₉.₃₅Nb₃₄.₄₅Sn62, Ni₆₀(Nb₄₀Ta₆₀)₃₄Sn₆, and Ni₅₇Fe₃Nb₃₅Sn₅ metallic glass forming alloys was investigated with a differential scanning calorimeter (DSC). The inverse heating rate for each DSC experiment was plotted versus inverse temperature and a Vogel-Fulcher- Tamman (VFT) type relation was...
Resource Type:: Masters Thesis
Full Text:: Equilibrium Phases of Metallic Glass Forming Alloys. Abstract approved Ralf Busch The heating rate

Thermodynamis and kinetics of Zr₅₈̣₅Cu₁₅̣₆Ni₁₂̣₈Al₁₀̣₃Nb₂̣₈ bulk metallic glass forming alloy

Creator:: Shah, Minalben B.
Abstract:: Among recently found multi-component Zr-based bulk metallic glasses (BMG), Zr₅₈.₅Cu₁₅.₆Ni₁₂.₈Al₁₀.₃Nb₂.₈ is characterized by its lower critical cooling rate requirement and absence of beryllium as one of the constituent element which makes its handling more convenient. Its large supercooled liquid regions made possible the study of thermodynamics and kinetics of this...
Resource Type:: Masters Thesis
Full Text:: of Zr s6ii2sjjsBulk Metallic Glass Forming Alloy. Abstract approved: / 2 Raif Busch Among

Synthesis and characterization of Cu-reinforced Zr₄₁.₂Ti₁₃.₈Cu₄₁.₂Ni₁₀Be ₂₂.₅ bulk metallic glass forming alloy

Creator:: Wadhwa, Prashant
Abstract:: The development of amorphous metal alloys with high glass forming ability allows the fabrication of amorphous samples with thickness greater than 1mm, known as bulk metallic glasses(BMGs). Outstanding mechanical properties and ease in processing due to low melting points, low solidification shrinkage and higher supercooled liquid region make BMG a...
Resource Type:: Masters Thesis
Full Text:: Characterization of Cu-reinforced Zr41 2IiCuu 5Ni10Be,25 Bulk Metallic Glass Forming Alloy. Abstract approved

ScholarsArchive@OSU

Thermodynamics, kinetics, and crystallization of Pt₅₇.₃Cu₁₄.₆Ni₅.₃P₂₂.₈ bulk metallic glass forming alloy

Advancing the understanding of bulk metallic glasses as structural materials through exploration of mechanical properties

Effect of ambient environment on the fracture and fatigue properties of Zr-based bulk metallic glasses

Fatigue and fracture of bulk metallic glasses : role of free volume

Effect of Imprinting Process on Fracture Behavior of a Zr-based Bulk Metallic Glass

Viscosity of the Zr₄₁.₂Ti₁₃.₈Cu₁₂.₅Ni₁₀.₀Be₂₂.₅ bulk metallic glass forming alloy above the liquidus temperature

Thermodynamics of the Pd₄₃Ni₁₀Cu₂₇P₂₀ metallic glass-forming alloy

On the fragility and equilibrium phases of metallic glass forming alloys

Thermodynamis and kinetics of Zr₅₈̣₅Cu₁₅̣₆Ni₁₂̣₈Al₁₀̣₃Nb₂̣₈ bulk metallic glass forming alloy

Synthesis and characterization of Cu-reinforced Zr₄₁.₂Ti₁₃.₈Cu₄₁.₂Ni₁₀Be ₂₂.₅ bulk metallic glass forming alloy

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