CALPHAD-Type Reassessment of Cu-Si and Full Assessment of the Al-Cu-Si Systems

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F24%3A00602731" target="_blank" >RIV/68081723:_____/24:00602731 - isvavai.cz</a>
Result on the web
<a href="https://link.springer.com/article/10.1007/s11669-024-01160-5" target="_blank" >https://link.springer.com/article/10.1007/s11669-024-01160-5</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/s11669-024-01160-5" target="_blank" >10.1007/s11669-024-01160-5</a>

Result language
angličtina
Original language name
CALPHAD-Type Reassessment of Cu-Si and Full Assessment of the Al-Cu-Si Systems
Original language description
The theoretical assessment of the Al-Cu-Si was carried out in this work based on recent experimental studies (Riani et al. in Intermetallics, 17:154-164, 2009, He et al. in CALPHAD, 33:200-210, 2009. http://dx.doi.org/10.1016/j.calphad.2008.07.015, Ponweiser N and Richter KW in J. of Alloys and Compd, 512:252-263, 2012, Hallstedt et al. in CALPHAD, 53:25-38, 2016, Zobac et al in J Mater Sci, 55:5322-15333, 2020). The reassessment of the Cu-Si system was also carried out in the scope of this work, as experimental data indicates reasonable solubility of Al in all intermetallic phases in the Cu-Si binary system, and the stoichiometric models used in previous assessments of the Cu-Si binary system are not fully suitable for the extension into the ternary system. Excellent agreement was reached for the reassessment of the Cu-Si system with previous works, and new original results were obtained during the assessment of the ternary system. The high solubility of Si in the beta(bcc) phase at high temperatures was modelled to explain experimental inconsistencies in the Cu-rich corner between 600 and 800 degrees C, and this assumption was confirmed experimentally. All main features of the experimental Al-Cu-Si phase diagram were reproduced well by theoretical modelling.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10403 - Physical chemistry

Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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