AL-CR-NI ASOSIDAGI YUQORI ENTROPIYALI QOTISHMALARNING MIKROSTRUKTURAVIY, FAZAVIY VA MEXANIK XOSSALARI TAHLILI
DOI:
https://doi.org/10.47390/ts-v3i10y2025No8Keywords:
Al-Cr-Ni alloys, high-entropy system, microstructural analysis, B2 phase, FCC phase, oxidation resistance, heat resistance.Abstract
This paper presents a comprehensive analysis of the phase structure, thermodynamic properties, and microstructural behavior of high-entropy Al-Cr-Ni alloys. The alloy primarily consists of two phases: the ordered B2 (Al-Ni rich) phase and the face-centered cubic (FCC, Cr-Ni rich) phase. These phases act as mutual strengthening components, resulting in hardness values up to 900 HV. Excellent oxidation and heat resistance up to 1200°C are achieved through the formation of protective Al₂O₃ and Cr₂O₃ layers. Heat treatment improves structural stability without significant degradation. Due to their superior thermal and mechanical properties, Al-Cr-Ni alloys are promising candidates for high-temperature turbine blades, nuclear components, and chemical reactors.
References
1. F.R.Norxudjayev, Materialshunoslik, Toshkent-2014.
2. Miracle, D. B., & Senkov, O. N. (2017). A critical review of high entropy alloys and related concepts. Acta Materialia, 122, 448-511.
3. Zhang, Y., Zuo, T. T., Tang, Z., Gao, M. C., Dahmen, K. A., Liaw, P. K., & Lu, Z. P. (2014). Microstructures and properties of high-entropy alloys. Progress in Materials Science, 61, 1-93.
4. Tsai, M. H., & Yeh, J. W. (2014). High-entropy alloys: A critical review. Materials Research Letters, 2(3), 107-123.
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