Chemical Compositions, Microstructure and Mechanical Properties of Roll Core used Ductile Iron in Centrifugal Casting Composite Rolls

被引：8
|
作者：
Bai, Yunlong [1 ]
Luan, Yikun [1 ]
Song, Nannan [1 ]
Kang, Xiuhong [1 ]
Li, Dianzhong [1 ]
Li, Yiyi [1 ]
机构：
[1] Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY | 2012年 / 28卷 / 09期
关键词：
Centrifugal casting; Roll; Heavy section ductile iron; Micro-alloying with Sb;
D O I：
10.1016/S1005-0302(12)60142-X
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The industrial manufacture processes of three kinds of roll core used ductile irons have been investigated via systematical experiments. Effects of the ratio of C/Si, pig iron, nodularizer and alloying method on the microstructure and mechanical properties of the heavy section ductile iron have been analyzed. It has been found that when treated with RE-Mg plus Sb, high quality nodular castings can be produced even if much anti spheroidizing alloy elements are included in the pig iron. The alloy element Sb played an important role in the control of graphite morphology.
引用
收藏
页码：853 / 858
页数：6
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