Effect of Ni on the microstructure and precipitate phases of Fe78Si9B13 glassy alloy

被引：10

作者：

Ma, H. J. ^{[1
]}

Wang, W. M. ^{[1
,2
]}

Zhang, J. T. ^{[1
]}

Li, G. H. ^{[1
]}

Hu, L. N. ^{[1
]}

Niu, Y. C. ^{[3
]}

机构：

[1] Shandong Univ, Key Lab Liquid Solid Struct Evolut & Proc Mat, Minist Educ, Jinan 250061, Peoples R China

[2] Yanshan Univ, Key Lab Metastable Mat Sci & Technol, Qinhuangdao 066004, Peoples R China

[3] Shandong Inst Architecture & Engn, Dept Mat Sci & Engn, Jinan 250014, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 485卷 / 1-2期

关键词：

Glassy alloy; Precipitate; Hardness; Saturation magnetization; METALLIC GLASSES; FORMING ABILITY; MECHANICAL-PROPERTIES; AMORPHOUS FE78SI9B13; MAGNETIC-PROPERTIES; CRYSTALLIZATION; SUBSTITUTION; SYSTEMS; MODEL; NB;

D O I：

10.1016/j.jallcom.2009.06.036

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：

The (Fe0.78Si0.09B0.13)(100-x)Ni-x glassy alloys (x = 0, 2, 3 and 5) have been investigated by X-ray diffraction (XRD), differential scanning calorimetry (DSC). Vickers microhardness test, transmission electron microscopy (TEM) and vibrating sample magnetometer (VSM). The experimental results show that the addition of Ni has not only promoted the growth of alpha-Fe phase and the precipitate of Fe-B compounds but also facilitated the dissolution of silicon in the alpha-Fe phase. For the as-spun ribbon with x = 5, the microhardness (H-v) of the ribbon with super heating (SH) treatment is lower than that of the ribbon without SH; and the H-v of the free side is lower than that of the wheel side of the same ribbon. The saturation magnetization (M-s) of the as-spun (Fe0.78Si0.09B0.13)(95) Ni-5 ribbon with SH is higher than that of the ribbon without SH. The variation of the H-v and M-s is explained by the free volume model which is related to the two structure model in Fe-based glassy alloys, as well as the change of the B content in the amorphous matrix. (C) 2009 Elsevier B.V. All rights reserved

引用

页码：255 / 260

页数：6

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