Research on CO2 Laser-induced Nanocrystallization of Fe-based Amorphous Alloy Fe73.5Cu1Nb3Si13.5B9

Guorui Zhang; Yong Bao; Qianli Ma; Limeng Yu; Lingfei Ji; Yijian Jiang

doi:10.1364/SUMSESSION.2011.Tu15

International Summer Session: Lasers and Their Applications
(Optica Publishing Group, 2011),
paper Tu15
•https://doi.org/10.1364/SUMSESSION.2011.Tu15

Research on CO₂ Laser-induced Nanocrystallization of Fe-based Amorphous Alloy Fe_73.5Cu₁Nb₃Si_13.5B₉

Guorui Zhang, Yong Bao, Qianli Ma, Limeng Yu, Lingfei Ji, and Yijian Jiang

CIOMP-OSA Summer Session: Lasers and Their Applications 2011

Changchun China
31 July–5 August 2011
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G. Zhang, Y. Bao, Q. Ma, L. Yu, L. Ji, and Y. Jiang, "Research on CO2 Laser-induced Nanocrystallization of Fe-based Amorphous Alloy Fe73.5Cu1Nb3Si13.5B9," in International Summer Session: Lasers and Their Applications, (Optica Publishing Group, 2011), paper Tu15.

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Abstract

Fe-based amorphous alloy Fe_73.5Cu₁Nb₃Si_13.5B₉ is irradiated by CO₂ laser so that the homogeneous ultrafine grains are induced out, which are about 10 nm and have a bcc α-Fe(Si) structure. As a result, the samples of Fe-based nanocrystalline alloy have excellent soft magnetic properties. The results show that laser power of 71~99 W can realize the nanocrystallization even in short time of 5 seconds, but enough irradiation time of about 20~30 seconds is necessary to get optimum microstructure and soft magnetic properties.

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