Deformation-induced phase transitions in a high-carbon steel

被引：104

作者：

Shabashov, VA ^{[1
]}

Korshunov, LG ^{[1
]}

Mukoseev, AG ^{[1
]}

Sagaradze, VV ^{[1
]}

Makarov, AV ^{[1
]}

Pilyugin, VP ^{[1
]}

Novikov, SI ^{[1
]}

Vildanova, NF ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Phys Met, Ural Branch, Ekaterinburg 620219, Russia

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2003年 / 346卷 / 1-2期

关键词：

carbides; steel; deformation; mechanical alloying; Mossbauer effect;

D O I：

10.1016/S0921-5093(02)00549-X

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The methods of Mossbauer spectroscopy, X-ray diffraction analysis, electron microscopy, magnetostructural analysis and durometry were used to examine structural and phase transitions in a high-carbon pearlitic steel of the formula Fe-1.37mass% C (U13) during cold deformation (300 K) by compression shear in Bridgman anvils. The dissolution kinetics of a cementite having different morphologies was established. A supersaturated solid solution of carbon in BCC iron, an austenite with a high carbon concentration, and metastable epsilon- and chi-carbides were formed during dissolution of the pearlite. Strengthening of the U13 steel depended on the formation of solid solutions of carbon in iron and precipitation of dispersed metastable carbides facilitating pinning of dislocations. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：196 / 207

页数：12

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