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Iranian Journal of Materials Science and Engineering، جلد ۲۰، شماره ۲، صفحات ۱-۶
عنوان فارسی
چکیده فارسی مقاله
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عنوان انگلیسی Magnetic Characteristics of Nanocrystalline Co78Zr17B2Si1W2 Alloy Formed by Melt Spinning and Subsequent Annealing
چکیده انگلیسی مقاله Investigation the structural and magnetic properties of nanocrystalline Co78Zr17B2Si1W2 alloy during melt spinning and annealing processes were the main goal of this study. In this regard, samples were prepared using vacuum induction melting, melt spinning and subsequent annealing. The specimens were evaluated using X-ray diffraction (XRD), field emission scanning electron microscope (FESEM), differential scanning calorimetry (DSC) and vibrating sample magnetometer (VSM). Based on results, nanocrystalline Co5Zr single phase with hard magnetic properties (Ms=29.5 emu/g and Hc=2.7 kOe) successfully formed during melt spinning process (at wheel speed of 40 m.s-1). The coercivity value of rapid solidified sample increased to about 3.2 kOe during annealing process up to 400°C. However, more increasing in annealing temperature lead to the transformation of non-equilibrium magnetic Co5Zr phase to stable Zr2Co11 phase, which has distractive effects on final magnetic properties.  
کلیدواژه‌های انگلیسی مقاله Co-Zr alloy,Nanocrystalline,Melt-spinning,Magnetic properties
نویسندگان مقاله | Mohammad Molaahmadi
Malek- Ashtar University of Technology


| Majid Tavoosi
Malek-Ashtar University of Technology


| Ali Ghasemi
Malek- Ashtar University of Technology


| Gholam Reza Gordani
Malek- Ashtar University of Technology
نشانی اینترنتی http://ijmse.iust.ac.ir/browse.php?a_code=A-10-1216-5&slc_lang=en&sid=1
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کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده Materials engineeing and special subjects
نوع مقاله منتشر شده Research Paper
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