Gibbs energy modeling of Fe–Ta system by Calphad method assisted by experiments and ab initio calculations

V.B. Rajkumar, K.C. Hari Kumar

Calphad 48 157-165 (2015) · Elsevier BV

DOI: 10.1016/j.calphad.2014.12.006

Data: JSON record · id doi:10.1016/j.calphad.2014.12.006 · metadata: crossref

Roles in ORCHID

• read by ORCHID (values extracted): 60 released values
• assessment behind a TDB file: FeTa-15Raj.tdb (Fe–Ta)
• discovery lead (found by Crossref assessment discovery, not read): rank 1202, score 88; systems named in title: none

Systems

Ta, Fe–Ta

Evidence in ORCHID

60 values read from this paper (59 accepted), from 5 tables and 2 text passages.

ESPEI datasets derived: 3 (invariants/FE-TA/FeTa-11Wit.zpf-04.json …).

Phase-registry phases citing it: phase:fe-ta:bcc-a2, phase:fe-ta:c14-laves, phase:fe-ta:d85-mu, phase:fe-ta:fcc-a1, phase:fe-ta:hcp-a3, phase:fe-ta:liquid

Availability

Read by ORCHID: yes (values_extracted). Open-access licence (Crossref license field): none deposited. Crossref is-referenced-by count: 18 (retrieved 2026-10-23).

Relations

Cited by (Crossref reference lists) (9)

• Experimental Investigation of Phase Equilibria in the Fe-Nb-Ta System (2018) [crossref_reference_list]
• Phase Equilibria of the Fe-Mo-Ta Ternary System (2019) [crossref_reference_list]
• Experimental Investigation and Thermodynamic Modelling of the Fe-Ni-Ta System (2020) [crossref_reference_list]
• Experimental investigation and thermodynamic description of the Fe–Ta–Ti system (2019) [crossref_reference_list]
• The SGTE collection of binary datasets (2025) [crossref_reference_list]
• Measurements of the melting points, liquidus, and solidus of the Mo, Ta, and Mo Ta binary alloys using a novel high-speed pyrometric technique (2020) [crossref_reference_list]
• Experimental investigation and thermodynamic optimization of the Fe–Ta–W system (2026) [crossref_reference_list]
• Experimental investigation and thermodynamic calculation of phase equilibria in the ternary Fe-Si-Ta system (2023) [crossref_reference_list]
• The stability and homogeneity range of the TCP phases in the Co-Fe-Ta system (2023) [crossref_reference_list]

References (Crossref, publisher-deposited) (16)

• Untersuchung der α/γ‐Umwandlung in hochreinen Zweistofflegierungen des Eisens mit Molybdän, Vanadin, Wolfram, Niob, Tantal, Zirkon und Kobalt (1970) [crossref_reference_list]
• Zur Kenntnis des Zweistoffsystems Eisen‐Tantal (1935) [crossref_reference_list]
• Experimental study of the iron-tantalum equilibrium diagram (1995) [crossref_reference_list]
• Thermodynamic assessment of the Fe-Nb-Ti-C-N system (2001) [crossref_reference_list]
• Ternary laves and sigma-phases of transition metals (1953) [crossref_reference_list]
• Determination of thermodynamic stability of the Fe2Ta intermetallic phase by non-stationary e.m.f. measurements on solid galvanic chains (1970) [crossref_reference_list]
• The Thermo-Calc databank system (1985) [crossref_reference_list]
• Coupled thermochemical and phase diagram data for tantalum based binary alloys (1991) [crossref_reference_list]
• Optimization and calculation of the FeTa phase diagram (1994) [crossref_reference_list]
• Assessment of the niobium–nickel system (2004) [crossref_reference_list]
• Experimental study and thermodynamic re-assessment of the binary Fe–Ta system (2011) [crossref_reference_list]
• The standard enthalpies of formation of some intermetallic compounds of transition metals by high temperature direct synthesis calorimetry (2006) [crossref_reference_list]
• Thermodynamic modeling of the Fe–Mo system coupled with experiments and ab initio calculations (2014) [crossref_reference_list]
• Contribution to a thermodynamic database and phase equilibria calculations for low activation Ta-containing steels (2003) [crossref_reference_list]
• Ab initio study of C14 laves phases in Fe-based systems (2012) [crossref_reference_list]
• Thermodynamic study of Fe-Ta and Fe-Nb alloys by means of the Knudsen cell mass spectrometry. (1989) [crossref_reference_list]

Cites (values carry this citation) (7)

• Experimental study and thermodynamic re-assessment of the binary Fe–Ta system (2011) — 11 values [orchid_extraction]
• Determination of thermodynamic stability of the Fe2Ta intermetallic phase by non-stationary e.m.f. measurements on solid galvanic chains (1970) — 3 values [orchid_extraction]
• Untersuchung der α/γ‐Umwandlung in hochreinen Zweistofflegierungen des Eisens mit Molybdän, Vanadin, Wolfram, Niob, Tantal, Zirkon und Kobalt (1970) — 2 values [orchid_extraction]
• Experimental study of the iron-tantalum equilibrium diagram (1995) — 1 values [orchid_extraction]
• The standard enthalpies of formation of some intermetallic compounds of transition metals by high temperature direct synthesis calorimetry (2006) — 1 values [orchid_extraction]
• Ab initio study of C14 laves phases in Fe-based systems (2012) — 1 values [orchid_extraction]
• Thermodynamic study of Fe-Ta and Fe-Nb alloys by means of the Knudsen cell mass spectrometry. (1989) — 1 values [orchid_extraction]

TDB files modelling its system (2)

• tdb:FeTa-15Raj.tdb [sgte_tdb_header]
• tdb:FeTa-15Raj.tdb [orchid_literature_model_link]

Reassesses (cites an earlier assessment of the same system) (2)

• Experimental study and thermodynamic re-assessment of the binary Fe–Ta system (2011) [citation+same-system]
• Contribution to a thermodynamic database and phase equilibria calculations for low activation Ta-containing steels (2003) [citation+same-system]

Data papers used (7)

• Experimental study and thermodynamic re-assessment of the binary Fe–Ta system (2011) — 11 values [orchid_extraction]
• Determination of thermodynamic stability of the Fe2Ta intermetallic phase by non-stationary e.m.f. measurements on solid galvanic chains (1970) — 3 values [orchid_extraction]
• Untersuchung der α/γ‐Umwandlung in hochreinen Zweistofflegierungen des Eisens mit Molybdän, Vanadin, Wolfram, Niob, Tantal, Zirkon und Kobalt (1970) — 2 values [orchid_extraction]
• Experimental study of the iron-tantalum equilibrium diagram (1995) — 1 values [orchid_extraction]
• The standard enthalpies of formation of some intermetallic compounds of transition metals by high temperature direct synthesis calorimetry (2006) — 1 values [orchid_extraction]
• Ab initio study of C14 laves phases in Fe-based systems (2012) — 1 values [orchid_extraction]
• Thermodynamic study of Fe-Ta and Fe-Nb alloys by means of the Knudsen cell mass spectrometry. (1989) — 1 values [orchid_extraction]