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Journals / Journal of Physical Chemistry and Functional Materials / 2025 / Volume: 8 Issue: 2

Determination of Microstructure, Electrical Properties and Microhardness Values of Ni-Mn-Cr-Sn Heusler Alloy

Fermin Ak(MALATYA TURGUT ÖZAL ÜNİVERSİTESİ, DARENDE BEKİR ILICAK MESLEK YÜKSEKOKULU)0000-0003-3238-4638
Mehtap Payveren Arıkan(ERCİYES ÜNİVERSİTESİ, DİŞ HEKİMLİĞİ FAKÜLTESİ)0000-0002-8037-4904
Buket Saatçi(ERCİYES ÜNİVERSİTESİ, FEN FAKÜLTESİ)0000-0002-1351-5279
Mehmet Ari(ERCİYES ÜNİVERSİTESİ, FEN FAKÜLTESİ)0000-0002-4511-6811
Pages
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Publication Date
2025-12-23
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

In addition, the temperature coefficient of electrical resistivity value (TCR) was calculated as  (1.47-3.16)x (10-3 K-1).

📌 3 Key Takeaways

🎯
Objective & Hypothesis:In this study, Ni-Mn-Cr-Sn Heusler [Ni2(Mn1-xCrx)Sn (x=0, 0.25, 0.5, 0.75 and 1, (0≤x≤1)] alloys were investigated.
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Key Findings & Data:Finally, the microhardness measurements of the samples, depending on the composition, were determined using the Vickers hardness test, and the average microhardness values obtained were measured as 486.6-805.5HV0.3.
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Conclusion & Impact:In addition, the temperature coefficient of electrical resistivity value (TCR) was calculated as  (1.47-3.16)x (10-3 K-1).
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Four Point Probe Technique · Heusler Alloys · Vickers Hardness

Abstract

In this study, Ni-Mn-Cr-Sn Heusler [Ni2(Mn1-xCrx)Sn (x=0, 0.25, 0.5, 0.75 and 1, (0≤x≤1)] alloys were investigated. The determined powder samples were compressed under pressure and turned into pellets and then melted in an arc melting furnace to provide the desired Heusler conditions. After XRD analysis was performed on the samples obtained after the process, SEM, EDX and MAPPING images were taken. Phases belonging to each composition were determined by examining the XRD peaks. A backscattered detector was used in SEM, EDX and MAPPING analyses of the samples. Finally, the microhardness measurements of the samples, depending on the composition, were determined using the Vickers hardness test, and the average microhardness values obtained were measured as 486.6-805.5HV0.3. Temperature-dependent electrical measurements of the obtained samples were determined by four-point probe method (FPPT). The electrical resistance values of the samples at 320K were obtained as 0.12-400.72x10-6 (m) and 0.01-0.62 x10-6 (m) at 900 K. In addition, the temperature coefficient of electrical resistivity value (TCR) was calculated as  (1.47-3.16)x (10-3 K-1).

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Cite This Article

Ak, F., Arıkan, M. P., Saatçi, B., Ari, M. (2025). Determination of Microstructure, Electrical Properties and Microhardness Values of Ni-Mn-Cr-Sn Heusler Alloy. Journal of Physical Chemistry and Functional Materials, Volume: 8 Issue: 2. https://doi.org/10.54565/jphcfum.1698822

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