Issues »  Volume 48, Issue 4

Structure and Properties of Heat-Treated (TiHf)50(NiCu)50 Alloys

N. A. Gurbanov$^{1}$, H. A. Ahlatci$^{2}$, K. H. Ismayilova$^{1}$, Y. A. Abdulazimova$^{3}$

$^{1}$Azerbaijan State Oil and Industry University, 16/21 Azadlig Ave., AZ-1010 Baku, Azerbaijan
$^{2}$Karabük University, Kılavuzlar, 413. Sokak No: 10., TR-78050 Merkez/Karabük, Turkey
$^{3}$Baku Engineering University, 120 Hasan Aliyev Ave., AZ-0101 Khirdalan, Azerbaijan

Received: 18.11.2025; final version - 15.12.2025. Download: PDF

Shape-memory alloys are metallic smart materials, which can recover their original shape after deformation and primarily consist of two main solid phases. This study develops physical principles for selecting chemical compositions for quaternary alloys with shape-memory effects and other functional properties obtained using conventional and unconventional technologies. Studies on the (TiHf)50(NiCu)50 system obtained by rapid cooling have revealed that amorphous–crystalline or completely amorphous phases can form, depending on the composition. Furthermore, it is determined that the martensitic-transformation temperature, which depends on copper concentration in the alloys, does not change in rapidly cooled strip samples.

Key words: shape-memory alloy, sheet metal, planar flow casting, amorphous structure, enthalpy of mixing.

URL: https://mfint.imp.kiev.ua/en/abstract/v48/i04/0367.html

DOI: https://doi.org/10.15407/mfint.48.04.0367

PACS: 61.43.Dq, 61.72.Dd, 61.72.Ff, 62.20.fg, 65.60.+a, 81.05.Bx, 81.30.Kf

Citation: N. A. Gurbanov, H. A. Ahlatci, K. H. Ismayilova, and Y. A. Abdulazimova, Structure and Properties of Heat-Treated (TiHf)50(NiCu)50 Alloys, Metallofiz. Noveishie Tekhnol., 48, No. 4: 367–382 (2026)

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