MODIFIER EFFECT ON MECHANICAL PROPERTIES OF LOW-CHROMIUM CAST IRON

被引：0
|
作者：
Akberdin, A. A. [1 ]
Issagulov, A. Z. [1 ]
Kvon, S. S. [1 ]
Chsherbakova, Ye. p. [1 ]
Aubakirov, D. R. [1 ]
Adamova, G. H. [1 ]
机构：
[1] Karaganda State Tech Univ, Karaganda, Kazakhstan
来源：
METALURGIJA | 2022年 / 61卷 / 01期
关键词：
chromium cast iron; boron-barium-containing additives; modification; wear resistance; structure;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The results of studying the properties of prototypes obtained at the production site of the QazCarbon LLP (Karaganda, Republic of Kazakhstan) are presented. Grinding balls were smelted of low-chromium cast iron treated with modifiers of various nature. Boron-barium-containing materials were used as modifiers. It was found that the use of boron-barium- containing additives as modifiers qualitatively and quantitatively changes the structure of the alloy under study. After modification, the structure becomes more dispersed, the quantitative ratio between the main structural components:ledeburite, pearlite and carbide phase, changes. Such changing the structure has a positive effect on the impact resistance of the samples.
引用
收藏
页码：159 / 162
页数：4
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