Browsing CALPHAD Assessments by Title
Now showing items 23-42 of 103
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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 ... -
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 ...