Journal of Phase Equilibria and Diffusion (JPED) focuses on the crystallographic, chemical, diffusion, and other kinetic properties of phases. It features critical phase diagram evaluations on scientifically and industrially important alloy systems, authored by international experts, as well as critically reviewed basic and applied research results, and a survey of current literature. JPED covers the significance of diagrams as well as new research techniques, equipment, data evaluation, nomenclature, presentation, and other aspects of phase diagram preparation and use. It also offers information on such phenomena as kinetic control of equilibrium, coherency effects, impurity effects, and thermodynamic and crystallographic characteristics.

Datasets submitted in support of articles published as JPED may be archived at the NIST data repository.

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Recent Submissions

  • Interdiffusion in the Ni-Re System: Evaluation of Uncertainties 

    Boettinger, William J; Williams, Maureen E; Moon, Kil-Won; McFadden, Geoffrey B; Patrone, Paul N; Perepezko, John H (2017-06-22)
    Diffusion couple experiments between Ni and Re at 1200 and 1350 °C were performed. These experiments established the limits of the two-phase FCC + HCP region. No intermediate phase was observed at these temperatures. ...
  • Thermodynamic Description of the Ti-Al-O System Based on Experimental Data 

    Ilatovskaia, Mariia; Savinykh, Galina; Fabrichnaya, Olga (2017-06-08)
    Phase equilibria of the TiO2-Al2O3 system were investigated experimentally using XRD, SEM/EDX and DTA methods. Temperature stability limits of the aluminum titanate (Al2TiO5) were detected. The thermodynamic parameters of ...
  • Experimental Investigation and Thermodynamic Modeling of the Co-Rich Region in the Co-Al-Ni-W Quaternary System 

    Zhu, Jun; Titus, Michael S; Pollock, Tresa M (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 ...
  • Co-Al-W Diffusion Mobilities 

    Moon, Kil-Won; Campbell, Carelyn; Williams, Maureen; Boettinger, William (2016-04)
    Diffusion couple experiments between various Co-rich face centered cubic (FCC) alloys in the Co-W-Al ternary system have been conducted at 900 °C and 1000 °C. Diffusion coefficients have been extracted for the Co-W binary ...
  • Al-Co-W 900C Phase Equilibria Data 

    Lass, Eric; Maureen E. Williams; Carelyn E. Campbell; Kil-Won Moon; Ursula R. Kattner (2014-09-03)
    Phase equilibria at 900 °C in the Co-rich Co-Al-W ternary system are investigated through isothermal annealing of six alloy compositions for times up to 8000 h. The volume fraction of the L12-γ′ phase co-existing with ...
  • Al-Co, Co-Fe Diffusion Mobilities, Ni/Rene88, IN718/Rene88 

    Campbell, Carelyn E.; Zhao, J-C.; Henry, M. F. (2013-05-05)
    A multicomponent diffusion mobility database for the Ni-rich fcc phase [2002Cam] is evaluated by comparing diffusion simulations to two experimental multicomponent Ni-base superalloy diffusion couples: Ni/Rene´-88 and ...