Carbon-defect interaction during recovery and recrystallization of heavily deformed pearlitic steel wires

被引：21

作者：

Borchers, C. ^{[1
]}

Chen, Y. ^{[1
]}

Deutges, M. ^{[1
]}

Goto, S. ^{[2
]}

Kirchheim, R. ^{[1
]}

机构：

[1] Univ Gottingen, Inst Mat Phys, D-37077 Gottingen, Germany

[2] Akita Univ, Dept Mat Sci & Engn, Akita 0108502, Japan

来源：

PHILOSOPHICAL MAGAZINE LETTERS | 2010年 / 90卷 / 08期

关键词：

pearlitic steel; interstitial-vacancy interaction; recovery; recrystallization; Arrhenius analysis; SEVERE PLASTIC-DEFORMATION; HIGH-PRESSURE TORSION; ALPHA-IRON; CEMENTITE DISSOLUTION; ELECTRON-IRRADIATION; DRAWN PEARLITE; ATOM-PROBE; KINETICS; DISLOCATION; EVOLUTION;

D O I：

10.1080/09500839.2010.484400

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Cold-drawn pearlitic steel wires are known to exhibit increasing strength with increasing elongation and are therefore highly interesting for a wide field of engineering applications. When isochronal heat treatment is performed at different temperatures, the tensile strength as well as the electrical resistivity decrease well before microstructural changes are observed. An Arrhenius analysis of both processes yield mean activation energies of about 0.3 eV. This is construed as interaction between carbon atoms and defects in ferrite, mainly vacancies and vacancy clusters.

引用

页码：581 / 588

页数：8

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