The effect of equal channel angular pressing on the mechanical and magnetic properties of 09Γ2C steel

被引：0
|
作者：
E. S. Gorkunov
S. M. Zadvorkin
L. S. Goruleva
E. A. Tueva
I. N. Veselov
S. P. Yakovleva
S. N. Makharova
P. G. Mordovskoi
机构：
[1] Russian Academy of Sciences,Institute of Engineering Science, Ural Branch
[2] Russian Research Institute for the Tube and Pipe Industries,Larionov Institute of the Physical
[3] Russian Academy of Sciences,Technical Problems of the North, Siberian Branch
来源：
Russian Journal of Nondestructive Testing | 2012年 / 48卷
关键词：
intense plastic deformation; structural steel; magnetic and mechanical properties;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The physical and mechanical properties of 09Γ2C steel that was subjected to strengthening by intense plastic deformation using the method of equal channel angular pressing (ECAP) are studied. An unambiguous interrelationship between the magnetic (coercive force, maximal permeability, Barkhausen magnetic noise parameters) and mechanical (rupture limit, conditional yield strength, relative elongation and narrowing upon damaging) characteristics of 09Γ2C steel, which was strengthened using ECAP following different technological regimes, is demonstrated. Therefore, it is possible to estimate the strength and plasticity characteristics of the analyzed material based on the measurement of its magnetic parameters. It has been revealed that under conditions of uniaxial tension in the range from 0 to (0.2–0.6) of the conditional yield strength (depending on the ECAP regime), it is possible to diagnose changes in the stressed state of items that are made of 09Γ2C steel that is hardened in accordance with the ECAP technique using magnetic structuroscopy methods.
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页码：568 / 575
页数：7
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