Investigations of Solidification Structures of High Carbon Alloy Cast Steel Containing RE-V-Ti

被引：0
|
作者：
Hanguang Fu
Yinhu Qu
Jiandong Xing
机构：
[1] Xi’an Jiaotong University,State Key Laboratory for Mechanical Behavior of Materials, School of Materials Science and Engineering
[2] Xi’an Polytechnic University,School of Electromechanical Engineering
来源：
Journal of Materials Engineering and Performance | 2009年 / 18卷
关键词：
cast steel; rare earth; refinement; solidification structure; titanium;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The solidification microstructural characteristics of rare earth (RE) and vanadium and titanium-treated high carbon alloy cast steel, whose chemical compositions are 0.90 wt.% C, 3.0 wt.% Si, and 1.0 wt.% Mn, were investigated by means of optical microscopy (OM), scanning electron microscopy (SEM), electron probe microanalyzer (EPMA), and energy dispersive X-ray spectrometry (EDS). The alloys were prepared in an induction furnace. The results showed that compound additions of RE-V-Ti could obviously refine the solidification structures and decrease the diameter of grains. The average grain diameter of untreated high carbon alloy cast steel was 80 μm. The average grain diameter of high carbon alloy cast steel containing RE-V-Ti decreased to 40 μm. Finally, the reasons that RE-V-Ti refined the solidification structure were analyzed in detail.
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页码：333 / 338
页数：5
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