Browsing CALPHAD Assessments by Title
Now showing items 30-49 of 103
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Cr-B-Mo Thermodynamic analysis of phase equilibria
(2013-03-29)A thermodynamic analysis of the phase equilibria in the Cr–Mo–B ternary system has been carried out by combining first-principles calculations with the CALPHAD approach. The thermodynamic descriptions of three binary systems ... -
Cr-Re Ab initio and thermodynamic study
(2013-03-29)In this work the assessment of the Cr–Re system, using a combined ab initio and CALPHAD (CALculation of Phase Diagrams) approach, is presented. To model the sigma phase, a five-sublattice combined CEF model was applied and ... -
Cr–Ge Thermodynamic description
(2013-03-28)he Cr–Ge binary system was thermodynamically optimized using the CALPHAD method. The liquid phase was described by means of an associate solution model. The BCC terminal solid solution was described by the substitutional ... -
Cs–In Thermodynamic Modeling
(2013-03-28)Thermodynamic description of the Cs–In system has been developed by the CALPHAD modeling combined with first-principles calculations. The calculated phase diagram of the Cs–In system is compared with the experimental one ... -
Cu-Mn-Ni Atomic mobility, diffusivity and diffusion growth simulation
(2013-04-01)On the basis of the critically reviewed experimental diffusivities available in the literature, the atomic mobilities of Cu, Mn and Ni in fcc Cu–Mn–Ni alloys were assessed as a function of temperature and composition by ... -
Cu-Pb-Sn Thermodynamic description
(2013-03-29)A thermodynamic description of the ternary Cu–Pb–Sn system at the Cu–Pb side is presented. The thermodynamic parameters of the sub-systems, Cu–Pb, Cu–Sn and Pb–Sn, are taken from earlier SGTE-based assessments and those ... -
Cu-Sn-Ti Experimental investigation and thermodynamic assessment
(2013-03-29)The Cu–Sn–Ti ternary system has been studied via experiments and thermodynamic modelling. In the experimental section, the composition of the alloys was selected based on the preliminary calculations and available literature ... -
Cu–Pb–Zn Thermodynamic description
(2013-03-29)Thermodynamic description of the ternary Cu–Pb–Zn system is presented. The adjustable parameters of the sub-systems, Cu–Pb, Cu–Zn and Pb–Zn, are taken from earlier SGTE-based assessments and those of the ternary system are ... -
Cu–Si–Zn and Cu–Zn Experimental investigation and thermodynamic modeling
(2013-03-30)The isothermal section of the Cu–Si–Zn ternary system at 600 °C was experimentally determined with fifteen alloys by means of optical microscopy, X-ray diffraction, and the scanning electron microscopy with energy dispersive ... -
Development of a Diffusion Mobility Database for Co-based Superalloys
To facilitate the development of high-temperature Co-based gamma-gamma prime superalloys, a Co-Ni based diffusion mobility database is developed for the eight component FCC (Face Centered Cubic) system of Co-Al-W-Ni-Cr-Ti-Ta-Re. ... -
Experimental and theoretical study of the phase equilibria in the fe-ni-w system
Experimental data on the Fe-Ni-W phase diagram have been obtained at 1273, 1373, 1473, 1573, and 1673 K by means of the diffusion-couple technique and electron microprobe analysis. These data were combined with selected ... -
Experimental Investigation and Thermodynamic Modeling of the Co-Rich Region in the Co-Al-Ni-W Quaternary System
(2017-03-20)The stabilities of the γ-(Co), γ′-Co3(Al,W), μ-Co7W6, β-CoAl and α-(W) phases in the Co-Al-W and Ni-Al-W ternary systems were investigated at 900, 1000, 1100 and 1300 °C. Electron probe microanalysis was used to determine ... -
Experimental study and thermodynamic modeling of the Al–Co–Cr–Ni system
A thermodynamic database for the Al–Co–Cr–Ni system is built via the Calphad method by extrapolating re-assessed ternary subsystems. A minimum number of quaternary parameters are included, which are optimized using ... -
Experimental study and thermodynamic modelling of the ternary Al–Ta–Ti system
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 ... -
Fe-Si-Zn Experimental investigation and thermodynamic reassessment
(2013-03-29)Based on the critical evaluation of the experimental data available in the literature, the isothermal section of the Fe–Si–Zn system at 873 K was measured using a combination of X-ray analysis and scanning electron microscopy ... -
Fe–Mn and Fe–Mn–C systems Thermodynamics effects on hcp phase
(2013-03-29)The thermodynamic parameters of the ε (hcp) phase with respect to the γ (fcc) phase in the Fe–Mn system have been re-visited by utilizing the least squares refinement method applied to experimental values of enthalpy and ... -
First-Principles Calculations, Experimental Study, and Thermodynamic Modeling of the Al-Co-Cr System
The phase relations and thermodynamic properties of the condensed Al-Co-Cr ternary alloy system are investigated using first-principles calculations based on density functional theory (DFT) and phase-equilibria experiments ... -
Gd–Mg–Sm Thermodynamic Description
(2013-03-28)The Mg–Sm, Gd–Sm and Gd–Mg–Sm systems were thermodynamically optimized using the CALPHAD technique. The solution phases, liquid, bcc, hcp and rhombohedral, were described by the substitutional solution model. The isostructural ... -
H-Ti Thermodynamic description
(2013-03-29)Previous thermodynamic assessments of the Ti–H system are reviewed, and a new evaluation is carried out by taking into account the liquid phase in the system using the associate solution model. The sublattice model is ... -
Hg–Ga-Mg Thermodynamic assessment of phase equilibria
(2013-03-29)Phase relations in the Mg–Hg–Ga ternary system have been experimentally and thermodynamically studied. At first, the isothermal sections of the Mg–Hg–Ga system in the Mg-rich region at 673 K and 473 K were investigated by ...