PROPERTIES OF NANOCYRSTALLINE FE-CU-SI-B ALLOYS GENERATED BY CRYSTALLIZATION OF THE AMORPHOUS ALLOY

被引：31

作者：

LIU, XD ^{[1
]}

DING, BZ ^{[1
]}

HU, ZQ ^{[1
]}

LU, K ^{[1
]}

WANG, YZ ^{[1
]}

机构：

[1] ACAD SINICA,INST MET RES,SHENYANG 110015,PEOPLES R CHINA

来源：

PHYSICA B | 1993年 / 192卷 / 04期

关键词：

D O I：

10.1016/0921-4526(93)90009-U

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Nanocrystalline Fe-Cu-Si-B alloys with grain sizes of 30-90 nm were prepared by crystallization of the amorphous alloy. Properties including microhardness and electrical resistivity were examined in this study. Microhardness measurements showed that a normal Hall-Petch relation between the microhardness and the average grain size was obtained in nanocrystalline Fe-Cu-Si-B alloys. It was found that the electrical resistivity of a 30 nm-grained Fe-Cu-Si-B sample Measured at room temperature was higher than that of the amorphous sample. With increasing grain size, the residual resistivity drops rapidly, which is in good agreement with the theoretical analysis based on the electron scattering of interfaces.

引用

页码：345 / 350

页数：6

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