Influence of Overheating and Cooling Rate on the Structures and Properties of Alloys of the Fe-B System

被引：2
|
作者：
Filonenko, N. Yu. [1 ,2 ]
Babachenko, O. I. [2 ]
Kononenko, G. A. [2 ]
机构：
[1] Dnipro State Med Acad, Dnipro, Ukraine
[2] Ukrainian Natl Acad Sci, Nekrasov Inst Ferrous Met, Dnipro, Ukraine
来源：
MATERIALS SCIENCE | 2019年 / 55卷 / 03期
关键词：
alloys of Fe-B system; melt; overheating; structure; phase composition; mechanical and corrosion properties; CRYSTALLIZATION;
D O I：
10.1007/s11003-019-00323-x
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
It is shown that the overheating of a melt by 150 degrees K over the liquidus curve and a cooling rate of 10(2)-10(4) degrees K/sec favor the formation of a homogeneous finely divided eutectics in Fe-B alloys with boron contents of 2.0-4.5 wt.% and inhibit the appearance of primary crystals of iron in hypoeutectic alloys and Fe2B boride in hypereutectic alloys. It is established that, under these conditions, Fe3B iron boride is formed in the eutectics. This improves the mechanical and corrosion properties of these alloys.
引用
收藏
页码：440 / 446
页数：7
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