Nanocrystallization of Amorphous Fe_(73.5)Cu_1Nb_3Si_(13.5)B_9 Irradiated by Laser

作     者：CHEN Sui-yuan LIU Chang-sheng ZHOU Li LI Hui-li CAI Qing-kui 

作者机构：Northeastern Univcrsity Shenyang 110004 China 

出 版 物：《Journal of Iron and Steel Research International》 (J. Iron Steel Res. Int.)

年 卷 期：2005年第12卷第5期

页      面：58-62页

核心收录：

学科分类：080901[工学-物理电子学] 0809[工学-电子科学与技术（可授工学、理学学位）] 08[工学] 080401[工学-精密仪器及机械] 0804[工学-仪器科学与技术] 0803[工学-光学工程] 

基　　金：ItemSponsoredbyShenyangScienceTechnologyPlan(1032040-1-01)andFoundationofEducationMinistryofChinaforPersonofAbilityBestridingCentury 

主　　题：CO2 laser amorphous alloy Fe73.5 Cu1Nb3Si13.5B9 nanocrystallization 

摘      要：The surface nanocrystallization of amorphous Fe73.5 Cu1Nb3Si13.5B9 radiated by CO2 laser was studied by means of M（oe）ssbauer spectroscopy, transmission electro iroscope and X-ray diffraction. The result shows that under certain technical conditions, nanocrystalline is fiound on the surface of amorphous Fe73.5 Cu1Nb3Si13.5B9 radiated by laser; the crystallization phase is α-Fe（Si） crystalline, and its size is about 10-20 nm; the nanocrystalline is uniformly distributed on amorphous base to keep the amorphous and crystallized phase in balance; the a mount of crystallization reaches 23% when the laser power is 300 W, the diameter of light spot is 20 mm, and the radiation speed is 20 mm/s. The phase balance can be controlled by adjusting the laser technology parameter. Laser radiation on the amorphous Fe73.5 Cu1Nb3Si13.5B9 alloy is an important technique for surface nanocrystallization of the amorphous alloys.