693.932 PEOPLE
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| Naji, M. |
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Pogatscher, Stefan
Montanuniversität Leoben
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (61/61 displayed)
- 2024Modeling the concurrent growth of inter- and intragranular Si precipitates during slow cooling of the alloy AA6016
- 2024Advancements in metal additive manufacturingcitations
- 2024Unraveling the potential of Cu addition and cluster hardening in Al-Mg-Si alloyscitations
- 2024Influence of Solidification Rate and Impurity Content on 5/7-Crossover Alloys
- 2024Impact of Surface Microstructure and Properties of Aluminum Electrodes on the Plating/Stripping Behavior of Aluminum-Based Batteries Using Imidazolium-Based Electrolyte
- 2024Metallographic Etching of Al–Mg–Zn–(Cu) Crossover Alloyscitations
- 2024Comparative analysis of experimental techniques for microstructural characterization of novel nanostructured aluminium alloyscitations
- 2023Industry-oriented sample preparation with an in- ductively heated laboratory continuous casting plant for aluminum alloys
- 2023Processing and microstructure–property relations of Al-Mg-Si-Fe crossover alloyscitations
- 2023From high-entropy alloys to high-entropy ceramics : The radiation-resistant highly concentrated refractory carbide (CrNbTaTiW)Ccitations
- 2023Characterization of Zr-Containing Dispersoids in Al–Zn–Mg–Cu Alloys by Small-Angle Scatteringcitations
- 2023In situ transmission electron microscopy as a toolbox for the emerging science of nanometallurgycitations
- 2023Precipitation behaviour in AlMgZnCuAg crossover alloy with coarse and ultrafine grainscitations
- 2023Fast differential scanning calorimetry to mimic additive manufacturing processing: specific heat capacity analysis of aluminium alloyscitations
- 2023Fine-grained aluminium crossover alloy for high-temperature sheet formingcitations
- 2023Strain-induced clustering in Al alloyscitations
- 2022High Fe content in Al-Mg-Si wrought alloys facilitates excellent mechanical propertiescitations
- 2022Stabilization of Al 3 Zr allotropes in dilute aluminum alloys via the addition of ternary elementscitations
- 2022Forging of an age-hardenable Mg–Al–Ca–Mn–Zn alloy on industrial scale
- 2022Precipitation in lean Mg–Zn–Ca alloyscitations
- 2022An improved process scan strategy to obtain high-performance fatigue properties for Scalmalloy®citations
- 2022Mitigating the detrimental effects of galvanic corrosion by nanoscale composite architecture designcitations
- 2022MEMS-Based in situ electron-microscopy investigation of rapid solidification and heat treatment on eutectic Al-Cucitations
- 2022Alloy design strategy for microstructural-tailored scandium-modified aluminium alloys for additive manufacturingcitations
- 2022Closed die forging of a Mg-Al-Ca-Mn-Zn lean alloycitations
- 2021Synergistic alloy design concept for new high-strength Al–Mg–Si thick plate alloyscitations
- 2021Influence of Fe and Mn on the Microstructure Formation in 5xxx Alloys—Part II: Evolution of Grain Size and Texturecitations
- 2021Deviating from the pure MAX phase concept: Radiation-tolerant nanostructured dual-phase Cr2AlC
- 2021Two step-ageing of 7xxx series alloys with an intermediate warm-forming step
- 2021Giant hardening response in AlMgZn(Cu) alloyscitations
- 2021Influence of Fe and Mn on the Microstructure Formation in 5xxx Alloys—Part I: Evolution of Primary and Secondary Phasescitations
- 2020Prototypic Lightweight Alloy Design for Stellar-Radiation Environmentscitations
- 2020Room temperature recovery of cryogenically deformed aluminium alloyscitations
- 2020Evolution of microstructure and texture in laboratory- and industrial-scaled production of automotive Al-sheetscitations
- 2020Microstructural Change during the Interrupted Quenching of the AlZnMg(Cu) Alloy AA7050citations
- 2020Mg-alloys for forging applications-A reviewcitations
- 2020Thermodynamics of polymorphism in a bulk metallic glasscitations
- 2020Mechanism of low temperature deformation in aluminium alloyscitations
- 2020Age-hardening response of AlMgZn alloys with Cu and Ag additionscitations
- 2020Radiation Damage Suppression in AISI-316 Steel Nanoparticles: Implications for the Design of Future Nuclear Materialscitations
- 2019Thermodynamics of an austenitic stainless steel (AISI-348) under in situ TEM heavy ion irradiationcitations
- 2019Industry-oriented sample preparation of 6xxx and 5xxx aluminum alloys in laboratory scale
- 2019Size-dependent diffusion controls natural aging in aluminium alloyscitations
- 2019Age-hardening of high pressure die casting AlMg alloys with Zn and combined Zn and Cu additionscitations
- 2019Exceptional Strengthening of Biodegradable Mg-Zn-Ca Alloys through High Pressure Torsion and Subsequent Heat Treatmentcitations
- 2019Influence of Zn and Sn on the precipitation behavior of new Al-Mg-Si alloyscitations
- 2019Processing-controlled suppression of Lüders elongation in AlMgMn alloyscitations
- 2018Monotropic polymorphism in a glass-forming metallic alloycitations
- 2016Differential Scanning Calorimetry and Thermodynamic Predictions—A Comparative Study of Al-Zn-Mg-Cu Alloyscitations
- 2016Ultrafast artificial aging of Al-Mg-Si alloys
- 2016Analysis of initial clustering in Al-Mg-Si alloys via atom probe tomography
- 2015Thermodynamics of Pd-Mn phases and extension to the Fe-Mn-Pd systemcitations
- 2015Dynamic properties of major shear bands in Zr-Cu-Al bulk metallic glassescitations
- 2015Control of precipitation during heat treatments based on DSC experiments
- 2015Influence of temperature on natural aging kinetics of AA6061 modified with Sn
- 2015Aktuelle Entwicklungstrends und zukünftige Herausforderungen im Bereich der Nichteisenmetallurgie
- 2015Influence of Alloy Production History on Natural Aging of AA6061 Modified with Sn
- 2015Processing and microstructure-property relations of high-strength low-alloy (HSLA) Mg-Zn-Ca alloyscitations
- 2013Influence of Microalloying Elements on the Negative Effect of Natural Pre-Aging on Artificial Aging in Al-Mg-Si Alloys
- 2012New concepts for understanding the effect of natural pre-aging on the artificial aging of Al-Mg-Si alloys
- 2008Oberflächenbeschichtung von Kupfer-Flachdrähten mit bleifreien Lotlegierungen
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article
Thermodynamics of polymorphism in a bulk metallic glass
Abstract
<p>The Au-based bulk metallic glass-forming alloy Au<sub>70</sub>Cu<sub>5.5</sub>Ag<sub>7.5</sub>Si<sub>17</sub> is the first atomic system in which monotropic polymorphism has been experimentally found. In this study, strategies for measuring thermodynamic quantities such as heat capacity, transformation enthalpy and entropy, and Gibbs free energy for stable and metastable phases are evaluated based on this system. The transformation enthalpies between phases are determined via differential scanning calorimetry (DSC); the corresponding heat capacities are measured via stochastic temperature-modulated DSC (TOPEM); and the equilibrium melting temperatures of metastable phases, only detectable at high rates, are determined via fast DSC (FDSC). Whereas the slow heating rate of conventional DSC limits the characterization of metastable phases, the combination of both DSC and FDSC allows for their detailed heat-capacity determination. Furthermore, various approximation functions that have previously been used to determine the temperature dependence of the thermodynamic driving force for nucleation and crystallization are compared with the experimental data.</p>