On the formation of vacancies in α-ferrite of a heavily cold-drawn pearlitic steel wire

被引：33
|
作者：
Chen, Y. Z. [1 ]
Csiszar, G. [2 ]
Cizek, J. [3 ]
Borchers, C. [1 ]
Ungar, T. [2 ]
Goto, S. [4 ]
Kirchheim, R. [1 ]
机构：
[1] Univ Gottingen, Inst Mat Phys, D-37077 Gottingen, Germany
[2] Eotvos Lorand Univ, Dept Mat Phys, H-1518 Budapest, Hungary
[3] Charles Univ Prague, Dept Low Temp Phys, CZ-18000 Prague 8, Czech Republic
[4] Akita Univ, Dept Mat Sci & Engn, Akita 0108502, Japan
来源：
SCRIPTA MATERIALIA | 2011年 / 64卷 / 05期
关键词：
Pearlitic steel; Severe plastic deformation; Vacancies; X-ray diffraction; Positron annihilation; POSITRON-LIFETIME MEASUREMENTS; X-RAY-DIFFRACTION; ELECTRON-IRRADIATION; PROFILE ANALYSIS; HIGH-PURITY; DISLOCATION; IRON; SPECTROSCOPY; CRYSTALS; METALS;
D O I：
10.1016/j.scriptamat.2010.10.039
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Cold-drawn pearlitic steel wires are widely used in numerous engineering fields. Combining X-ray line profile analysis and positron annihilation spectroscopy methods, up to 10(-5)-10(-4) vacancies were found in a-ferrite of a cold-drawn pearlitic steel wire with a true strain of epsilon = 3. The formation of deformation-induced vacancies in alpha-ferrite of cold-drawn pearlitic steel wire was quantitatively testified. (C) 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：390 / 393
页数：4
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