Thermodynamic Investigation of Propagating Behavior in SHS for Equiatomic and Non-Equiatomic NiTi Alloys Using Factsage Software

• Autorzy: Keskin B. , Derin B.

Identyfikatory

DOI

10.24425/amm.2024.151761

• Języki publikacji: EN

Abstrakty

EN

In the current work, the thermodynamic properties of equiatomic and non-equiatomic Ni-Ti were estimated using Factsage Software for the “self-propagating high temperature synthesis (SHS) method. To calculate behind the pure substance model, the sublattice model was used. For the various ratios of the nickel in the B2 ordered phase and second intermetallics, the values of adiabatic temperature, Cp, Gibbs free energy, enthalpy of formation, products, and liquid-solid ratio were computed (Ni₃Ti, Ti₂Ni). These proporties play a crucial role in understanding the nature of propagating behavior since they affect the final product’s micro/macrostructure, mechanical characteristics, and stable or metastable phases. The results were compared with the literature. It was also discussed why the existing studies could not reach the theoretical adiabatic temperature and the effect of the ignition W wire on the sample was investigated with the experimental study.

Słowa kluczowe

EN

NiTi; SHS; thermodynamic; combusting synthesis

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2024
• Tom: Vol. 69, iss. 3
• Strony: 1261--1269
• Opis fizyczny: Bibliogr. 27 poz., fot., rys., tab.

Twórcy

autor

Keskin B.

• Istanbul Medipol University, Vocational School, Construction Technology Department, Istanbul, Turkey

autor

Derin B.

• Istanbul Technical University, Metallurgical and Materials Engineering Department, Istanbul, Turkey

Bibliografia

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Uwagi

The authors are pleased to acknowledge the financial support from The Scientific and Technological Research of Turkey (TUBITAK, Project No: 213M556)