Influence of Carbon on the Formation of Structure during Mechanical Alloying and Sintering of Powder Steels

被引：1
|
作者：
Oglezneva, S. A. [1 ]
Mikhailov, A. O. [1 ]
Zubko, I. Yu. [1 ]
机构：
[1] Perm State Tech Univ, Sci Ctr Powder Mat Sci, Dept Powder Mat Sci, Perm 614013, Russia
来源：
RUSSIAN JOURNAL OF NON-FERROUS METALS | 2008年 / 49卷 / 04期
基金：
俄罗斯基础研究基金会;
关键词：
Austenite; Dislocation Density; Cementite; Impact Strength; Mechanical Alloy;
D O I：
10.3103/S1067821208040147
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The structure and properties of steels produced from powders in a thermodynamically nonequilibrium state with an increased dislocation density, cellular substructure, and ground subgrains are studied. A nonequilibrium state of powders was reached using mechanical alloying of iron with carbon. Sintered steels inherited the powder structure, and the physicomechanical properties increased with increasing amount of added mechanical energy and carbon content. The strengthening mechanism is associated with the formation of a cellular dislocation structure in iron in its mechanical alloying with carbon.
引用
收藏
页码：283 / 289
页数：7
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