Local Structure and Magnetic Properties of FeMnAl Nanocrystalline and Amorphous Alloys

Tarigan, K.; Yang, Dong‐Seok; Yu, Seong‐Cho

doi:10.4028/www.scientific.net/amr.277.100

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2016

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“…In this work, we prepared and studied structural and magnetic properties of Fe 55 Mn 10 Al 35 alloys by MA with the milling time (t m ) ranging from 1 hr to 24 hrs, the results have reported by K. Tarigan et al [5]. The samples of 24 hrs were milled at 300, 500 and 700 o C. Their magnetic and structural behaviors were studied by means of a SEM, VSM, XRD and EXAFS.…”

Section: Introductionmentioning

confidence: 95%

EFFECT OF ANNEALING ON MAGNETIC AND STRUCTURAL PROPERTIES OF THE NANOCRYSTALLINE Fe-Mn-Al ALLOYS

Tarigan

Sebayang²

2016

IJIMEAM

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In this work, the formations of Fe 55 Mn 10 Al 35 nanocrystalline alloys were made by using mechanical alloying (MA) technique with the milling time of 24 hrs and then annealed at 300, 500, and 700 o C. The sizes and the morphology of the particles were checked by using a Scanning Electron Microscope (SEM). The magnetic properties were characterized by using a Vibration Sample Magnetometer (VSM), and it give results both of the magnetic saturation (Ms) and Coercivity (Hc) are decreased respect to annealing temperatures. Last one; the structures were characterized by using an Extended X-ray Absorption Fine Structure (EXAFS) and X-Ray Diffraction (XRD). It give results that the structures were single phase at 24 hrs milled and 300 o C annealed, then the structure to be changed at 500 and 700 o C.

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Section: Introductionmentioning

confidence: 95%