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Coating Effect on Magnetic Properties of Fe_{36}Co_{36}B_{19.2}Si_{4.8}Mo_3W_1 Amorphous Ribbons

100%
Perincek F., Haciismailoglu M., Sarlar K., Haciismailoglu M., Alper M., Kucuk I.
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vol. 125
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issue 2
408-410
EN
In this research, the electrodeposition technique was employed to prepare fine-grained nickel, iron and iron-cobalt coatings with 1 μm thicknesses on the substrate of the Fe_{36}Co_{36}B_{19.2}Si_{4.8}Mo_3W_1 amorphous ribbons. The coating effect on magnetic properties was examined at room temperature using an ADE Magnetics EV9 vibrating sample magnetometer with maximum magnetic field strength of 1750 kA/m. It is found that Ni, Fe, and Fe-Co coated amorphous ribbons show 0.60, 0.71, and 1.01 T saturation magnetization, respectively, while uncoated ribbon has 1.55 T.
2
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Modelling of Power Loss in Electrical Steels

94%
Kucuk I., Erturk K., Haciismailoglu M., Derebasi N.
Acta Physica Polonica A
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2008
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vol. 113
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issue 1
147-150
EN
This paper presents a new artificial neural network approach based on loss separation model to compute power loss on different types of electrical steels. The network was trained by a Levenberg-Marquardt algorithm. The results obtained by using the proposed model were compared with a commonly used conventional model. The comparison has shown that the neural network model is in good agreement with experimental data with respect to the conventional model.
3
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Electrodeposition and Characterization of Co/Cu Multilayers

94%
Haciismailoglu M., Alper M., Kockar H., Karaagac O.
Acta Physica Polonica A
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2016
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vol. 129
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issue 4
773-775
EN
Co/Cu multilayers having different bilayer number (total thickness) were electrodeposited on polycrystalline Cu substrates with a strong [100] texture from an electrolyte including Co and Cu ions under potentiostatic control. The structural data from X-ray diffraction (XRD) revealed that all films have face-centered cubic (fcc) structure, but their crystal textures change from [100] to [111] as the bilayer number increases. The magnetic analysis by vibrating sample magnetometer (VSM) showed that the magnetic moment per volume decreases as the bilayer number increases. Magnetoresistance (MR) measurements were made at room temperature in the magnetic fields of ± 12 kOe using the Van der Pauw (VDP) method with four probes. The samples with the bilayer number less than 111 exhibited giant magnetoresistance (GMR) with a negligible amount of anisotropic magnetoresistance (AMR), while the ones with the bilayer number larger than 111 have pure GMR effect.
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