In-situ crystallization of amorphous Fe73-xNbxAl4Si3B20 alloys through synchrotron radiation

被引：11

作者：

Afonso, C. R. M.

Bolfarini, C.

Botta Filho, W. J.

Kiminami, C. S.

机构：

[1] Univ Estadual Campinas, Dept Mat Engn, Demal FEM, BR-13087970 Campinas, SP, Brazil

[2] Univ Fed Sao Carlos, Dept Mat Engn, LabSolid Dema, BR-23565905 Sao Carlos, SP, Brazil

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 2006年 / 352卷 / 32-35期

基金：

巴西圣保罗研究基金会;

关键词：

amorphous metals; metallic glasses; crystallization; synchrotron radiation; x-ray diffraction; magnetic properties; TEM/STEM; nanocrystals; Calorimetry;

D O I：

10.1016/j.jnoncrysol.2006.03.078

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In the present work Fe73-xNbxAl4Si3B2O (x = 5, 10) alloys have been processed by melt-spinning with the aim of studying the crystallization sequence through annealing in suitable temperatures. Melt-spun ribbons were characterized by differential scanning calorimetry (DSC), X-ray diffractometry (XRD) through Cu-K alpha (lambda = 1.54 A) and synchrotron radiation (lambda = 1.77 A) and transmission electron microscopy (TEM). Soft magnetic properties were measured through the hysteresis loop tracer. In-situ XRD through synchrotron radiation was very accurate in phase identification. Fe73-xNbxAl4Si3B2O (x = 5, 10) alloys showed the possibility of forming ferromagnetic amorphous alloys composed of commercial Fe-based master alloys with fine nanocrystalline structure and good soft magnetic properties. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：3404 / 3409

页数：6

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