Thermo-Calc Software periodically provides updates between releases when there are bug fixes or improvements that cannot wait for a full Release.

To learn about complete releases, visit our Release page.

2019-09 - update to 2019b

This update includes improvements to the TCOX8 and TCOX9 databases, the Process Metallurgy Module, TC-Python and some general bug fixes. 

Who Should Install the 2019b Update?
If you have Thermo-Calc 2019b and you use TCOX8, TCOX9, the Process Metallurgy Module or TC-Python, we recommend you update your software.

How to Access the 2019b Update
The update is accessed directly through Thermo-Calc Software, so if you have not received an email with the update, please contact us at support@thermocalc.com or contact your local representative

Read the Release Notes » 

TCOX8 and TCOX9 Database Updates
For improved convergence in equilibrium calculations including charged phases, logic was added to the database to reject constituents for given combinations of elements for the following phases: 

  • NB2O5

Process Metallurgy Module
Now the components CaC2, CaCO3 and MgCO3 can be chosen when defining a material.

The caching mechanism in TC-Python sometimes picked up a previously calculated result for a calculation where the setting was not identical. This is fixed.

Precipitation Module (TC-PRISMA)
A bug prevented precipitation calculations with a predefined size distribution to be made with TC-Python on Linux and Mac.

General Improvements
Fixed a bug that prevented the use of the Gibbs phase-type codes for the Four Substitutional-Sublattice Ordering Model in user databases.

A bug is fixed where the Thermo-Calc installation folder containing spaces resulted in invalid file paths inside the application. This caused GES6 (the new implementation of the Gibbs Energy System) to fail with NoSuchFile exceptions. GES6 now works as expected also when the application folder contains spaces.

How to Install the 2019b Update
The release notes include instructions on how to install the 2019b update. 

Read the Release Notes for the 2019b update »


2016-03-29 - update to 2015b

This update includes improvements in the following areas of the software:

  • General
  • Graphics/Plots
  • System Definer
  • Scheil Module
  • Linux and Mac Installations
  • Databases - TCSLD 3.1.1
  • Project Files and Saving
  • Examples
  • End User License Agreement

Read the Release Notes that accompany this update for a complete description of the bug fixes. 

2015-08-27 - update to 2015a

You can only update these patches if you have an active license for the relevant databases.

  • TCFE8 Patch
    • A revision of the liquid description in the Fe-C-Si system to improve cast iron phase equilibria
    • The addition of some TYPE_DEFINITION keywords required for compatibility with DICTRA. For more information about TYPE_DEFINITION, see the Thermo-Calc Database Manager User Guide.
  • TCNI8 Patch
    • The phase ALTI3_DO19 has been fixed in the Ni-Ti phase diagram when using the BIN module/Binary calculation in Thermo-Calc. It had been appearing incorrectly in TCNI6, TCNI7 and TCNI8.





Automatic Updates You can set your software to automatically check for updates upon start up. From within the software select Tools > Options and set "Check update interval" to "On start up". How to Update If you have Automatic Updates activated, the software will inform you of the update upon start up. If you do not have Automatic Updates activated, click Help > Check for update. If you do not have access to the internet, please contact your local representative or email us at info@thermocalc.com.