Sophisticated experiments and optimisation to advance an existing CALPHAD database for next generation TiAl alloys

General Information

To meet the Clean Sky 2 goals to reduce aircraft noise and CO2 and NOx emissions, an optimised titanium aluminide (TiAl) CALPHAD database is needed. Such a database is a mandatory requirement for the aviation industry to improve existing alloys and create new alloys important in the manufacture of lightweight turbine engine components. The primary goal of the ADVANCE project is to experimentally determine critical binary and ternary phase data for several key systems and to incorporate this information into an existing TiAl thermodynamic database. An additional kinetic database will also be updated and provided at the end of the project. By optimising the phase data, this reduces or eliminates the need to conduct costly trial and error experiments, and ultimately speeds the time to market for the turbine engine components. A critical analysis of existing state-of-the-art CALPHAD databases, already supplied by the project coordinator Thermo-Calc Software AB, identified the missing or unreliable data for several important TiAl systems. In the ADVANCE project, data for these systems will be collected through a series of sophisticated experiments on well-characterised high-purity alloys. The experiments will be carried out jointly by the project partners, who are all recognised for their long-term and well-documented expertise in preparing and characterising TiAl alloys. The final analysis in the project will result in two optimised and advanced CALPHAD databases that can immediately be used for alloy design by the European aviation industries.
HZG leads the work package entitled ‘Phase analysis of high temperature’. The project is co-funded by the Clean Sky 2 Joint Technology Initiative (CS2 JTI) which is a Public-Private Partnership between the European Commission and industry.

EU-Programme Acronym and Subprogramme Area	H2020-CS2-CFP07-2017-02
Project Type	Clean Sky 2 Research & Innovation Action
Contract Number	Grant Agreement 820647
Co-ordinator	Thermo-CALC Software AB (SE)

Funding for the Project (€)	Funding for HZG (€)
1,112,783	236,158

Contact Person at HZG

Prof. Dr. Florian Pyczak, Institute of Materials Research, WPM, Phone: +49 4152 87 2545 E-mail contact

Participants

Max-Planck-Institut für Eisenforschung GmbH (DE), Montanuniversität Leoben (AT), Thermo-Calc Software AB (SE)

Last Update: 23. September 2020