Isothermal crystallization behavior of undercooled liquid Pd40Cu30Ni10P20 in terms of crystal growth, overall volume crystallization kinetics and their relation to the viscosity temperature dependence
-
Krassimir Russew
,
Liljana Stojanova
Abstract
The crystallization behavior of undercooled liquid Pd40Cu30Ni10P20 metallic alloy has been studied with the aid of differential scanning calorimetry, optical metallography, and electron microscopy methods. The crystallization occurs as a single-stage process starting preferably on the surface of casting voids in the sample volume and on the outer sample cutting planes. The linear crystal growth velocity of crystallizing cells was measured at several constant temperatures in the range 590 –620 K. It is constant at constant temperatures and its temperature dependence is in good agreement with the theoretical concepts of Uhlmann using the temperature dependence of the viscosity of the alloy studied. A differential scanning calorimetry study of isothermal overall volume transformation kinetics of samples pre-annealed at 600 K for 600 s was carried out at several constant temperatures. The experimental data are interpreted on the basis of the equation of Kolmogorov-Avrami-Johnson-Mehl for the case of three-dimensional growth of a fixed number of pre-existing nuclei. The possibility to revitrify the crystallized samples by their melting in differential scanning calorimeter, followed by quick cooling with cooling rate of 5 K τ– 1 is shown. The volume transformation kinetics of revitrified samples has been also studied.
The bulk amorphous alloy studied was prepared during a research stay of K. Russew at the Department of Prof. Dr. Eric J. Mittemeijer, Max-Planck-Institute for Metal Research, Stuttgart, FRG. The financial support of the Bulgarian National Fund for Scientific Research (Contract TN 1516/05) is also gratefully acknowledged.
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© 2006 Carl Hanser Verlag, München
Artikel in diesem Heft
- Frontmatter
- Editorial
- Evolution of the mixed-mode character of solid-state phase transformations in metals involving solute partitioning
- Liquid–liquid interfacial tension in themonotectic alloy (Al34.5Bi65.5)95Si5 (wt.%)
- Influence of Sb additions on surface tension and density of Sn–Sb, Sn–Ag–Sb and Sn–Ag–Cu–Sb alloys: Experiment vs. modeling
- Liquid–liquid transition in elemental liquids investigated by sound velocity measurements: trends in the periodic table
- Bulk and surface properties of liquid Ga–Tl and Zn–Cd alloys
- Structure-induced order – disorder transformation in Cd – Na liquid alloys
- An indirect approach to measure glass transition temperature in metallic glasses
- Fragility, kinetic stability and phase separations in the undercooled state of bulk glass formers – a case study on metallic model systems
- Development of long-period ordered structures during crystallisation of amorphous Mg80Cu10Y10 and Mg83Ni9Y8
- Isothermal crystallization behavior of undercooled liquid Pd40Cu30Ni10P20 in terms of crystal growth, overall volume crystallization kinetics and their relation to the viscosity temperature dependence
- The magnesium-ytterbium system: A contribution to the thermodynamics of solid alloys
- Experimental investigation and thermodynamic modelling of the Mg–Al-rich region of the Mg–Al–Sr System
- Thermodynamic properties and phase relations of Zn-rich alloys in the system Pt–Zn
- Comparison of thermodynamic data of the ternary Cu–Sn–Zn system, measured with the EMF and with the calorimetric method
- Analysis of phase formation in Ni-rich alloys of the Ni–Ta–W system by calorimetry, DTA, SEM, and TEM
- Site preference, thermodynamic, and magnetic properties of the ternary Laves phase Ti(Fe1 – xAlx)2 with the crystal structure of the MgZn2-type
- Activity measurements on the Al-rich region of the Ni–Al system – A high temperature mass spectrometric study
- Metastable phases and nanocrystalline-forming ability (NFA) of melt-quenched Ni-rich (Zr, Hf)–Ni alloys
- Low temperature deposition with inductively coupled plasma
- Instructions for Authors
- Personal/Personelles
- Press/Presse
- Conferences/Konferenzen
- Frontmatter
- Editorial
- Editorial
- BBasic
- Evolution of the mixed-mode character of solid-state phase transformations in metals involving solute partitioning
- Liquid–liquid interfacial tension in themonotectic alloy (Al34.5Bi65.5)95Si5 (wt.%)
- Influence of Sb additions on surface tension and density of Sn–Sb, Sn–Ag–Sb and Sn–Ag–Cu–Sb alloys: Experiment vs. modeling
- Liquid–liquid transition in elemental liquids investigated by sound velocity measurements: trends in the periodic table
- Bulk and surface properties of liquid Ga–Tl and Zn–Cd alloys
- Structure-induced order – disorder transformation in Cd – Na liquid alloys
- An indirect approach to measure glass transition temperature in metallic glasses
- Fragility, kinetic stability and phase separations in the undercooled state of bulk glass formers – a case study on metallic model systems
- Development of long-period ordered structures during crystallisation of amorphous Mg80Cu10Y10 and Mg83Ni9Y8
- Isothermal crystallization behavior of undercooled liquid Pd40Cu30Ni10P20 in terms of crystal growth, overall volume crystallization kinetics and their relation to the viscosity temperature dependence
- The magnesium-ytterbium system: A contribution to the thermodynamics of solid alloys
- Experimental investigation and thermodynamic modelling of the Mg–Al-rich region of the Mg–Al–Sr System
- Thermodynamic properties and phase relations of Zn-rich alloys in the system Pt–Zn
- Comparison of thermodynamic data of the ternary Cu–Sn–Zn system, measured with the EMF and with the calorimetric method
- Analysis of phase formation in Ni-rich alloys of the Ni–Ta–W system by calorimetry, DTA, SEM, and TEM
- Site preference, thermodynamic, and magnetic properties of the ternary Laves phase Ti(Fe1 – xAlx)2 with the crystal structure of the MgZn2-type
- Activity measurements on the Al-rich region of the Ni–Al system – A high temperature mass spectrometric study
- Metastable phases and nanocrystalline-forming ability (NFA) of melt-quenched Ni-rich (Zr, Hf)–Ni alloys
- AApplied
- Low temperature deposition with inductively coupled plasma
- Notifications/Mitteilungen
- Instructions for Authors
- Personal/Personelles
- Press/Presse
- Conferences/Konferenzen
Artikel in diesem Heft
- Frontmatter
- Editorial
- Evolution of the mixed-mode character of solid-state phase transformations in metals involving solute partitioning
- Liquid–liquid interfacial tension in themonotectic alloy (Al34.5Bi65.5)95Si5 (wt.%)
- Influence of Sb additions on surface tension and density of Sn–Sb, Sn–Ag–Sb and Sn–Ag–Cu–Sb alloys: Experiment vs. modeling
- Liquid–liquid transition in elemental liquids investigated by sound velocity measurements: trends in the periodic table
- Bulk and surface properties of liquid Ga–Tl and Zn–Cd alloys
- Structure-induced order – disorder transformation in Cd – Na liquid alloys
- An indirect approach to measure glass transition temperature in metallic glasses
- Fragility, kinetic stability and phase separations in the undercooled state of bulk glass formers – a case study on metallic model systems
- Development of long-period ordered structures during crystallisation of amorphous Mg80Cu10Y10 and Mg83Ni9Y8
- Isothermal crystallization behavior of undercooled liquid Pd40Cu30Ni10P20 in terms of crystal growth, overall volume crystallization kinetics and their relation to the viscosity temperature dependence
- The magnesium-ytterbium system: A contribution to the thermodynamics of solid alloys
- Experimental investigation and thermodynamic modelling of the Mg–Al-rich region of the Mg–Al–Sr System
- Thermodynamic properties and phase relations of Zn-rich alloys in the system Pt–Zn
- Comparison of thermodynamic data of the ternary Cu–Sn–Zn system, measured with the EMF and with the calorimetric method
- Analysis of phase formation in Ni-rich alloys of the Ni–Ta–W system by calorimetry, DTA, SEM, and TEM
- Site preference, thermodynamic, and magnetic properties of the ternary Laves phase Ti(Fe1 – xAlx)2 with the crystal structure of the MgZn2-type
- Activity measurements on the Al-rich region of the Ni–Al system – A high temperature mass spectrometric study
- Metastable phases and nanocrystalline-forming ability (NFA) of melt-quenched Ni-rich (Zr, Hf)–Ni alloys
- Low temperature deposition with inductively coupled plasma
- Instructions for Authors
- Personal/Personelles
- Press/Presse
- Conferences/Konferenzen
- Frontmatter
- Editorial
- Editorial
- BBasic
- Evolution of the mixed-mode character of solid-state phase transformations in metals involving solute partitioning
- Liquid–liquid interfacial tension in themonotectic alloy (Al34.5Bi65.5)95Si5 (wt.%)
- Influence of Sb additions on surface tension and density of Sn–Sb, Sn–Ag–Sb and Sn–Ag–Cu–Sb alloys: Experiment vs. modeling
- Liquid–liquid transition in elemental liquids investigated by sound velocity measurements: trends in the periodic table
- Bulk and surface properties of liquid Ga–Tl and Zn–Cd alloys
- Structure-induced order – disorder transformation in Cd – Na liquid alloys
- An indirect approach to measure glass transition temperature in metallic glasses
- Fragility, kinetic stability and phase separations in the undercooled state of bulk glass formers – a case study on metallic model systems
- Development of long-period ordered structures during crystallisation of amorphous Mg80Cu10Y10 and Mg83Ni9Y8
- Isothermal crystallization behavior of undercooled liquid Pd40Cu30Ni10P20 in terms of crystal growth, overall volume crystallization kinetics and their relation to the viscosity temperature dependence
- The magnesium-ytterbium system: A contribution to the thermodynamics of solid alloys
- Experimental investigation and thermodynamic modelling of the Mg–Al-rich region of the Mg–Al–Sr System
- Thermodynamic properties and phase relations of Zn-rich alloys in the system Pt–Zn
- Comparison of thermodynamic data of the ternary Cu–Sn–Zn system, measured with the EMF and with the calorimetric method
- Analysis of phase formation in Ni-rich alloys of the Ni–Ta–W system by calorimetry, DTA, SEM, and TEM
- Site preference, thermodynamic, and magnetic properties of the ternary Laves phase Ti(Fe1 – xAlx)2 with the crystal structure of the MgZn2-type
- Activity measurements on the Al-rich region of the Ni–Al system – A high temperature mass spectrometric study
- Metastable phases and nanocrystalline-forming ability (NFA) of melt-quenched Ni-rich (Zr, Hf)–Ni alloys
- AApplied
- Low temperature deposition with inductively coupled plasma
- Notifications/Mitteilungen
- Instructions for Authors
- Personal/Personelles
- Press/Presse
- Conferences/Konferenzen
