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

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Fe-based　amorphous　alloy　Fe73.5Cu1Nb3Si13.5B9　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.　©　OSA/SumSession　2011.

关键词：

Amorphous alloys Amorphous silicon Carbon dioxide Carbon dioxide lasers Copper alloys Crystal structure Iron alloys Magnetic properties Nanocrystalline alloys Nanocrystallization Nanocrystals Niobium alloys Silicon alloys

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[ 1 ] [Zhang, Guorui]Institute of Laser Engineering, Beijing University of Technology, 100, Pingleyuan 100, Chaoyang District, Beijing, 100124, China
[ 2 ] [Bao, Yong]Institute of Laser Engineering, Beijing University of Technology, 100, Pingleyuan 100, Chaoyang District, Beijing, 100124, China
[ 3 ] [Ma, Qianli]Institute of Laser Engineering, Beijing University of Technology, 100, Pingleyuan 100, Chaoyang District, Beijing, 100124, China
[ 4 ] [Yu, Limeng]Institute of Laser Engineering, Beijing University of Technology, 100, Pingleyuan 100, Chaoyang District, Beijing, 100124, China
[ 5 ] [Ji, Lingfei]Institute of Laser Engineering, Beijing University of Technology, 100, Pingleyuan 100, Chaoyang District, Beijing, 100124, China
[ 6 ] [Jiang, Yijian]Institute of Laser Engineering, Beijing University of Technology, 100, Pingleyuan 100, Chaoyang District, Beijing, 100124, China

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