Browsing CALPHAD Assessments by Title
Now showing items 10-29 of 103
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Al-Fe Thermodynamic Assessment
(2013-03-28)The Al–Fe system is important for many alloys and the new interest in iron aluminides makes it necessary to improve the modeling of the different ordered forms on the body-centered cubic lattice in this system. This has ... -
Al-Li-Zn Thermodynamic description
(2013-03-29)The Al–Li–Zn system was critically assessed using the CALPHAD technique. The solution phases (liquid, bcc, fcc and hcp) were described by the substitutional solution model. The compounds Al2Li3 and Al4Li9 in the Al–Li ... -
Al-Mg COST 507 Thermochemical database for light metal alloys
(1998-07)Bearing in mind the alloy categories defined by industrial partners at the beginning of the Action, a matrix was drawn up to define the binary systems forming the building blocks for the evaluation of higher-order systems. ... -
Al_Cr_Ni Diffusion Mobilities in Gamma Prime and B2
(2013-02-11)This work presents the assessment of the diffusion mobilities in both the γ′ (Ni3Al-L12) and B2 (NiAl) phases in the Ni–Al–Cr system utilizing the phenomenological model developed by Helander and Ågren. Available experimental ... -
Alkali metals thermodynamic assessments of six binary systems
(2013-03-30)Among the phase diagrams of six binary systems composed of alkali metals, Sodium (Na), Potassium (K), Rubidium (Rb) and Cesium (Cs), three of them, those of the Cs–K, Cs–Rb and K–Rb systems, indicate a complete range of ... -
AlTaTi
In the present paper a thermodynamic description of the entire ternary Al–Ta–Ti system is proposed, being obtained by CALPHAD modelling. Dedicated experiments were performed in order to complement literature data on phase ... -
The Al–Fe–Mn system revisited—An updated thermodynamic description using the most recent binaries
The so-called TWinning Induced Plasticity (TWIP) steels have gained a lot of attention in the last couple of years due to their excellent mechanical properties; they show very high strength and are at the same time very ... -
Al–Pt First-principles calculations and thermodynamic modeling
(2013-03-29)Thermodynamic description of the Al–Pt binary system is modeled by combining first-principles calculations with the CALPHAD method. The four-sublattice and two-sublattice compound energy formalisms are used to model the ... -
Assessment of diffusion mobility for the bcc phase of the Ti–Al–Cr system
Experimental diffusion data in the literature were critically assessed to develop the diffusion mobility for the bcc phase of the Ti–Al–Cr system by means of a DICTRA-type (Diffusion Controlled Transformation) diffusion ... -
Assessment of the Re–Ta binary system
Using the CALPHAD method, the thermodynamic properties of each phase of the Re–Ta system were optimized using the experimental information on the phase diagram and the thermochemical quantities. A consistent set of parameters ... -
Au, Cu, Pd and Pt alloys Mobilities and diffusivities
(2013-03-29)Based on the CALPHAD technique, the atomic mobilities and diffusivities in fcc Fe–X (X=Ag, Au, Cu, Pd and Pt) alloys have been critically studied. The thermodynamic descriptions and various types of diffusivities are ... -
Au–Ga Thermodynamic assessment
(2013-03-29)The Au–Ga binary system was assessed thermodynamically using the CALPHAD method through Thermo-calc® software based on the critical review of the available experimental data from the published literature. The solution ... -
Bi–Lu and Lu–Sb Thermodynamic assessments
(2013-04-01)The phase diagrams and thermodynamic properties in the Bi–Lu and Lu–Sb binary systems have been assessed by using the CALPHAD (Calculation of Phase Diagrams) method on the basis of experimental data including the thermodynamic ... -
C-Mn Thermodynamic assessment
(2013-03-29)The manganese–carbon system has been assessed by means of the CALPHAD method. There is a previous description of this system [W. Huang, Scand. J. Metall., 19 (1990) 26–32], but since then a number of high quality experimental ... -
CALPHAD description of the Mo–Re system focused on the sigma phase modeling
The phase equilibria and thermodynamic properties of the Mo–Re system are studied by combining first-principle and CALPHAD approach. The mixing enthalpies in the bcc and hcp solution phases are estimated by first-principle ... -
Co-Pt Thermodynamic modeling of fcc order/disorder transformations
(2013-04-01)The present work reports on a thermodynamic modeling of the Co–Pt system with ordered fcc phases of L10 and L12 structures by means of the CALPHAD method. The liquid, hcp and fcc phases have been modeled as substitutional ... -
Co-Sm Thermodynamic modeling
(2013-04-01)The phase diagram of the Co–Sm system has been assessed by applying the Calculation of Phase Diagram (CALPHAD) technique. Thermochemical and phase equilibrium information from the literature have been critically evaluated, ... -
Computational study of atomic mobility for bcc phase in Ti–Al–Fe system
Experimental diffusion data were critically assessed to develop the atomic mobility for the bcc phase of the Ti–Al–Fe system by using the DICTRA software. Good agreements were obtained from comprehensive comparisons made ... -
A contribution to the Ni-based mobility database: Fcc Ni–Fe–Ti ternary alloy
In order to establish a general Ni-based mobility database, diffusion couples for Ni–Fe–Ti ternary systems are prepared, all of which are annealed at 1573 K for 50 h. Interdiffusion coefficients are retrieved from the ... -
Co–Zr Thermodynamic optimization
(2013-03-28)The constitutional and thermochemical information of the Co–Zr system is modelled using the Calphad method to obtain a reliable thermodynamic description of the system. Appropriate sublattice models are chosen to describe ...