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ÆÚ¿¯Äê·Ý: 2013

¾í(ÆÚ),ÆðÖ¹Ò³Âë: 42(9): 1879-1883

Êý¾Ý¿âÃû³Æ: ScienceDirect(Elsevier)(Cell Press)

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Magnetic Properties and Thermal Stability of Fe44Co20Nd7Nb4B25 Bulk Amorphous Alloy


×÷Õß:Man, H (Man Hua)[ 1,2 ] ; Xu, H (Xu Hui)[ 1 ] ; Tan, XH (Tan Xiaohua)[ 1 ] ; Tang, YJ (Tang Yongjun)[ 1 ] ; Bai, Q (Bai Qin)[ 1 ] ; Hou, XL (Hou Xueling)[ 1 ]




RARE METAL MATERIALS AND ENGINEERING



¾í: 42

ÆÚ: 9

Ò³: 1879-1883

³ö°æÄê: SEP 2013

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Fe44Co20Nd7Nb4B25 bulk amorphous alloy was prepared by copper mold casting. The microstructure, glass-forming ability, thermal stability and magnetic properties were investigated by X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), differential scanning calorimetry (DSC) and vibrating sample magnetometer (VSM). It is found that Fe44Co20Nd7Nb4B25 alloy with amorphous structure exhibits good soft magnetic property, excellent glass-forming ability and thermal stability. The value of activation energy, E-p 4, is 642 kJ/mol. The annealed sample shows hard magnetic behavior, and the maximum value of intrinsic coercivity (H-i(c)) is 1164 kA/m after annealing at 1003 K. When annealed at 963 K, the values of remanence (B-r) and maximum energy product ((BH)(max)) reaches a maximum of 0.27 T and 15.79 kJ/m(3), respectively.


¹Ø¼ü´Ê

×÷Õ߹ؼü´Ê:bulk amorphous alloy; thermal stability; amorphous crystallization; magnetic property

KeyWords Plus:GLASS-FORMING ABILITY; CRYSTALLIZATION BEHAVIOR; METALLIC-GLASS; HARD MAGNETS; SUBSTITUTION; PRECURSOR


×÷ÕßÐÅÏ¢

ͨѶ×÷ÕßµØÖ·: Xu, H (ͨѶ×÷Õß)





Shanghai Univ, Lab Microstruct, Shanghai 200444, Peoples R China.





µØÖ·:





[ 1 ] Shanghai Univ, Shanghai 200444, Peoples R China





      

[ 2 ] East China Jiaotong Univ, Nanchang 330013, Peoples R China



µç×ÓÓʼþµØÖ·:manhua_517@163.com; huixu8888@shu.edu.cn


³ö°æÉÌ

NORTHWEST INST NONFERROUS METAL RESEARCH, C/O RARE METAL MATERIAL ENGINEERING PRESS, PO BOX 51, XIAN, SHAANXI 710016, PEOPLES R CHINA


Àà±ð / ·ÖÀà

Ñо¿·½Ïò:Materials Science; Metallurgy & Metallurgical Engineering

Web of Science Àà±ð:Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering


ÎÄÏ×ÐÅÏ¢

ÎÄÏ×ÀàÐÍ:Article

ÓïÖÖ:Chinese

Èë²ØºÅ: WOS:000326409400023

ISSN: 1002-185X


ÆÚ¿¯ÐÅÏ¢


Impact Factor (Ó°ÏìÒò×Ó): Journal Citation Reports®




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IDS ºÅ: 244SB

Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 24

Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 0
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