THE EFFECT OF PARTIAL SUBSTITUTION OF NB FOR V ON AUSTENITE GRAIN-SIZE AND HARDNESS OF A TOOL STEEL

被引：16
|
作者：
ELIAS, CN
VIANA, CSD
机构：
[1] Department of Mechanical and Materials Engineering, Instituto Militar De Engenharia, Pr. Gen.
来源：
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 1992年 / 1卷 / 06期
关键词：
D O I：
10.1007/BF02658257
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In the present work, the composition of H-13 tool steel was modified with respect to the vanadium content to include an addition of niobium to obtain improved austenite grain size control without altering the tempering response of the steel. Optical metallography and transmission electron microscopy (TEM) observation of extraction replicas showed that the new steel had a smaller austenite grain size and a finer carbide size distribution than the vanadium steel, which indicates a higher potential toughness.
引用
收藏
页码：751 / 754
页数：4
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