The influence of intercritical tempering treatment on the nickel concentration of retained austenite composition of a 9 % Ni steel

被引：0
|
作者：
Casarin, SJ
Kestenbach, HJ
Valencia, E
机构：
[1] Univ Fed Sao Paulo, EFSCAR, Dpto Eng Mat, Sao Paulo, Brazil
[2] Univ Cent de las Villas, Santa Clara, Cuba
来源：
REVISTA DE METALURGIA | 1999年 / 35卷 / 03期
关键词：
retained austenite; 9 % Ni steel; intercritical tempering treatment; microanalysis;
D O I：
10.3989/revmetalm.1999.v35.i3.618
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Retained austenite particles with nanometric dimensions in 9 % nickel steels microstructures were observed after differents intercritical tempering treatments ranged between 540 degrees C and 670 degrees C corresponding to the (alpha + gamma) two-phase field of Fe-Ni diagram. The thermal stability of particles turned out to be strongly influenced by its nickel contents and gradients of this element. The gradients were dependent on time and temperature of tempering.
引用
收藏
页码：148 / 154
页数：7
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