Kinetic Model for the Decomposition Rate of the Binder in a Foundry Sand Application

• Autorzy: Matsushita Taishi , Sundaram Dinesh , Belov Ilja , Dioszegi Attila

Identyfikatory

DOI

10.24425/afe.2024.151289

• Języki publikacji: EN

Abstrakty

EN

Accurate kinetic parameters are vital for quantifying the effect of binder decomposition on the complex phenomena occurring during the casting process. Commercial casting simulation tools often use simplified kinetic parameters that do not comprise the complex multiple reactions and their effect on gas generation in the sand core. The present work uses experimental thermal analysis techniques such as Thermogravimetry (TG) and Differential thermal analysis (DTA) to determine the kinetic parameters via approximating the entire reaction during the decomposition by multiple first-order apparent reactions. The TG and DTA results reveal a multi-stage and exothermic decomposition process in the binder degradation. The pressure build-up in cores/molds when using the obtained multi-reaction kinetic model is compared with the earlier approach of using an average model. The results indicate that pressure in the mold/core with the multi-reaction approach is estimated to be significantly higher. These results underscore the importance of precise kinetic parameters for simulating binder decomposition in casting processes.

Słowa kluczowe

EN

binder; casting; furan; kinetics model; decomposition

PL

spoiwo; odlewanie; furan; kinetyka

• Wydawca: Komisja Odlewnictwa Polskiej Akademii Nauk Oddział w Katowicach
• Czasopismo: Archives of Foundry Engineering
• Rocznik: 2024
• Tom: Vol. 24, iss. 3
• Strony: 43--49
• Opis fizyczny: Bibliogr. 23 poz., tab., wykr.

Twórcy

autor

Matsushita Taishi

• Jönköping University, Sweden

• https://orcid.org/0000-0003-2929-7891

autor

Sundaram Dinesh

• Jönköping University, Sweden

• https://orcid.org/0000-0003-0847-5142

autor

Belov Ilja

• Jönköping University, Sweden

autor

Dioszegi Attila

• Jönköping University, Sweden

• https://orcid.org/0000-0002-3024-9005

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025)