Nanocrystallization of Fe-Based Amorphous Alloys Fe73.5Cu1Nb3Si13.5B9 by Continuous CO2 Laser Overlapping Irradiation

Guo Rui Zhang; Yong Bao; Qian Li Ma; Li Meng Yu; Ling Fei Ji; Yi Jian Jiang

doi:10.4028/www.scientific.net/AMR.287-290.2351

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 287-290Nanocrystallization of Fe-Based Amorphous Alloys...

Nanocrystallization of Fe-Based Amorphous Alloys Fe_73.5Cu₁Nb₃Si_13.5B₉ by Continuous CO₂ Laser Overlapping Irradiation

Abstract:

Continuous CO₂ laser irradiation is exploited to realize nanocrystallization of Fe based amorphous alloys Fe_73.5Cu₁Nb₃Si_13.5B₉ by overlapping of the heated areas, and to get homogeneous ultrafine grains of about 10nm with a bcc α-Fe(Si) structure, which is the foundation of the excellent soft magnetic property. X-ray diffraction and transmission electron microscopy(TEM) are used for microstructure analysis and observation, and the results show that irradiation power of 71w~99w gives the heat shock to the transformation from the metastable amorphous state to crystallized state, and proper time of about 20~30 seconds is necessary for optimum microstructure and soft magnetic properties.

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Periodical:

Advanced Materials Research (Volumes 287-290)

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2351-2355

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.287-290.2351

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Online since:

July 2011

Authors:

Guo Rui Zhang, Yong Bao, Qian Li Ma, Li Meng Yu, Ling Fei Ji, Yi Jian Jiang

Keywords:

Fe_73.5Cu₁Nb₃Si_13.5B₉, Laser Irradiation, Nanocrystallisation

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