MOBNI: TCS Nickel Mobility Database Revision History
Current Database Version | |
---|---|
Database name (acronym): |
TCS Ni-alloys Mobility Database (MOBNI) |
Database owner: |
Thermo‑Calc Software AB |
Database version: |
6.1 |
First release: |
MOBNI was released in 2000-2001 |
MOBNI version 2 and above (i.e. MOBNI2, MOBNI3, MOBNI4 and so forth) is the specialized nickel-based superalloys database and is intended for use with the TCS Ni-based Superalloys Database (TCNI) database. MOBNI1 is compatible with the TTNI8 database.
Changes in the Most Recent Database Release

Software release version: 2025a (January 2025)
-
Reassessment of FCC_L12 in Ni-Ta system.
Previous Releases

Software release version: 2022b (June 2022)
New Element
-
Phosphorus (P) is added to make it a 29 element framework.
FCC_A1 Phase
Mobility parameters for 29 binary or ternary systems are added or reassessed:
- Four (4) binaries: Co-Mn, Co-Re, Cr-Pt and Ni-P
- Twenty-five (25) ternaries: Co-Cr-Mo, Co-Cr-W, Co-Mo-W, Co-Ti-V, Co-V-W, Ni-Al-Co, Ni-Al-Nb, Ni-Al-Ta, Ni-Al-W, Ni-Co-Cr, Ni-Co-Mo, Ni-Co-Re, Ni-Co-Ru, Ni-Co-W, Ni-Cr-Mo, Ni-Cr-Nb, Ni-Cr-Ti, Ni-Cr-V, Ni-Cu-Cr, Ni-Cu-Mo, Ni-Cu-Ti, Ni-Fe-Ti, Ni-Fe-V, Ni-Mo-Ta, and Ni-Mo-W
FCC_L12 Phase
- Mobility parameters for three (3) ternary systems are added or reassessed: Ni-Al-Ta, Ni-Al-Re, and Ni-Al-W.
BCC_B2 Phase
- Mobility parameters for one ternary system are assessed: Ni-Al-Co.
LIQUID Phase
- Mobility parameters for one binary system are added: Ni-P

Software release version: 2020a (January 2020).
- Revised default composition sets (type_defs).
- Updated the reference states of elements according to PURE5

Software release version: 2019a (January 2019).
The change from MOBNI4 to MOBNI5 is the addition of atomic mobilities of Ca, Mg, and S in FCC_A1, L12, BCC_A2, B2 and liquid phases.

Software release version: 2015a (June 2015). Compatible with the TCNI database.
The change from MOBNI3 to MOBNI4 is the addition of atomic mobilities of Cu in fcc, L12, B2 and liquid phases.

Software release version: 4.0 (June 2014). Some updates with 4.1 (November 2014). Compatible with the TCNI database.
The descriptions for interstitial elements B, C, and N are now included.
The description of the liquid using the ionic liquid model and MQ parameters is now available and compatible with TCNI7.
The parameters have been updated for the following systems:
- For the FCC phase: Ni-Mo, Ni-O, Ni-Ru, Ni-Si, Ni-Ti, Ni-V, Ni-Y, Al-Pt, Al-Ru and Ni-Al-Pt.
- For the L12 phase: Ni-Fe, Ni-Al-Mo, Ni-Al-Pt, Ni-Al-Ru, Ni-Al-Re and Ni-AlV.
The following systems have been checked against new assessments or experimental data:
- For the FCC phase: Ni-Hf, Ni-Nb, Ni-Pt, Ni-Re, Ni-Zr, Ni-Al-W, Ni-Al-Re, NiAl-Ru, Ni-Co-Re, Ni-Co-Ru, Ni-Re-Ru and Ni-Ru-W.
- For the L12 phase: Ni-Al-Fe, Ni-Al-Si and Ni-Al-Ti
- For the B2 phase: Ni-Al-Ru

Software release version: 4.1 (November 2014). Compatible with the TCNI database.
- The mobility of Mn has been added. This means that MOBNI3 is in complete alignment with TCNI7.
- The mobility data for the liquid phase have been adapted to the corresponding new thermodynamic descriptions in TCNI7.
- Various minor corrections and adjustments have been implemented.