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Effect of High Energy Ball Milling on Structures and Properties of Atomization Fe-Based Nanocrystalline Soft Magnetic Powders

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Abstract:

The microstructure and strain of gas atomization and water collection Fe73Si3B24 soft magnetic alloy powder treated by high energy ball milling were investigated via SEM and X-ray diffraction. And the magnetic properties of those powders were studied via VSM (Vibrating Sample Magnetometer). The results show that the atomization powders almost exhibited spheric or ellipsoidal shape. The averaged particle size was 104.94 μm. The main phases were composed of α-Fe (Si) and amorphous phase. As ball milling time went on, the interplanar space, amount of amorphous and crystal microstrain of the powders increased, while the grain size decreased. The peak for the (110) crystal plane of α-Fe (Si) phase widened, while the peaks for (200), (211) crystal planes weakened. These three peaks shifted towards to small angle direction. The saturation magnetic induction of treated powders was steady, and the coercivity of samples increased.

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Periodical:

Materials Science Forum (Volume 849)

Pages:

844-851

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.849.844

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Online since:

March 2016

Authors:

Juan Zhou*, Yong Chen, Hong Mei Zhu, Xiang Fang Fan

Keywords:

Atomization Powder, High Energy Ball Milling, Magnetic Property, Nanocrystalline, Structure

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* - Corresponding Author

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