Abstract
The main objective of this work is to develop a set of integrated computational tools that can be employed to design Ni-base superalloys. In particular, we developed reliable thermodynamic, kinetic and lattice parameter databases for the Ni-Al-Mo superalloys by combining first-principles calculations and CALPHAD (CALculation of PHAse Diagrams) technique. Microstructural evolution of γ' precipitate particles was predicted using a quantitative phase-field model that is linked to the thermodynamic, kinetic and lattice parameter databases. Computational results of γ' coarsening were compared with literature data on particle sizes measured during aging experiments in binary NiAl alloys. The integrated multiscale computational tools have the potential to considerably reduce the time and cost for new superalloy development.
Original language | English (US) |
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Pages | 969-975 |
Number of pages | 7 |
DOIs | |
State | Published - 2004 |
Event | SUPERALLOYS 2004 - Tenth International Symposium on Superalloys - Champion, PA, United States Duration: Sep 19 2004 → Sep 23 2004 |
Other
Other | SUPERALLOYS 2004 - Tenth International Symposium on Superalloys |
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Country/Territory | United States |
City | Champion, PA |
Period | 9/19/04 → 9/23/04 |
All Science Journal Classification (ASJC) codes
- Materials Science(all)