Effect of niobium on microstructure of cast AISI H13 hot work tool steel

被引：62
|
作者：
Kheirandish, Shahram [1 ]
Noorian, Ahmad [1 ]
机构：
[1] Iran Univ Sci & Technol, Dept Mat Sci & Met Engn, Tehran 1684613114, Iran
来源：
JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL | 2008年 / 15卷 / 04期
关键词：
hot work tool steel; H13; niobium; NbC; microstructure;
D O I：
10.1016/S1006-706X(08)60145-4
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The effect of niobium addition on the microstructure of cast AISI H13 hot work tool steel was evaluated by using EDX analyzer attached to the scanning electron microscope. The volume percent of eutectic area and eutectic cell size and also volume percent of different carbides of new steel, which is heat treated under different conditions, are also determined. The results show that the a niobium addition modifies the cast structure of Nb-alloyed hot work tool steel, and reduces the size and volume of eutectic cells, and increases the maximum hardness of the steel.
引用
收藏
页码：61 / 66
页数：6
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