Magnetic properties of Fe-Co-based bulk metallic glasses

被引：18
作者：
Tiberto, Paola [1 ]
Piccin, Rafael [2 ,4 ]
Lupu, Nicoleta [3 ]
Chiriac, Horia [3 ]
Baricco, Marcello [2 ,4 ]
机构：
[1] INRIM, Electromagnetism Div, I-10135 Turin, Italy
[2] Univ Turin, Dipartimento Chim, IFM, I-10125 Turin, Italy
[3] Natl Inst Res & Dev Tech Phys, Iasi 700050, Romania
[4] NIS, I-10125 Turin, Italy
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 483卷 / 1-2期
关键词：
Amorphous materials; Magnetic measurements; Rapid solidification; AMORPHOUS-ALLOYS; HIGH-STRENGTH; STABILITY; LOSSES; SI;
D O I：
10.1016/j.jallcom.2008.08.085
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Amorphous [(Fe(1-x)Co(x))(75)B(20)Si(5)[(93)Nb(4)Y(3)(x = 0, 0.2 and 0.4) have been produced by water-cooled Cu-mold injection casting technique in cylindrical shape. Amorphous ribbon having the same composition have been produced by rapid quenching technique. The presence of an amorphous structure have been checked by means of X-ray diffraction measurements and differential scanning calorimetry. Magnetic hysteresis loops have been measured by means of vibrating sample magnetometer at a maximum field of 10 kOe. In addition, to study the frequency dependence of magnetic losses, hysteresis loops have been measured by a digital wattmeter. A critical analysis of the results obtained on both ribbons and bulk cylinder will be presented. The obtained data will be compared with the ones of Fe-based materials conventionally exploited in applications. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：608 / 612
页数：5
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