Evaluation of the density of mobile dislocations under cyclic loading low-carbon steel

Authors

  • I. А. Vakulenko Dnipropetrovsk National University of Railway Transport named by Academician V. Lazarian, Ukraine
  • О. А. Chaikovskiy State Higher Education Establishment "Pridneprovsk State Academy of Civil Engineering and Architecture", Ukraine

Keywords:

mobile dislocations, low-carbon steel, strength stress, solid solution, movable dislocations

Abstract

Of undertaken studies dependence is got for strength stress at fatigue of low-carbon steel, that is based on an additive deposit from work-hardening of solid solution the atoms of carbon, borders of grain of ferrite and amount of movable dislocations. It is in-process set that as far as increased of grain of ferrite, his influence goes down on the level of strength stress at fatigue of low-carbon steel.

Author Biography

О. А. Chaikovskiy, State Higher Education Establishment "Pridneprovsk State Academy of Civil Engineering and Architecture"

Department of Materials Science,Ass. Prof.

References

Vakulenko I. A. Mechanism of the Effect of the Ferrite Grain Size on the Fatigue Strength of a Low-Carbon Steel / I. A. Vakulenko, O. N, Perkov,

V. G. Razdobreev // Russian Metallurgy : Pleaders Publishing, Ltd. – Vol. 2008. – № 3. – Pр. 225–228.

Коттрелл А. Х. Дислокации и пластическое течение в кристаллах / А. Х. Коттрелл // Москва : Металлургиздат, 1958. – 255 с.

Вакуленко И. А. Морфология структуры и деформационное упрочнение стали / И. А. Вакуленко, В. И. Большаков // Дн-вск : Маковецкий, 2008. – 196 с.

Вакуленко И. А. О связи величины кривой деформации с параметрами уравнения Холла – Петча / И. А. Вакуленко, В. А. Пирогов, В. К. Бабич // Металлофизика. – 1986. – Т. 8. – № 6. – C. 61–64.

Бабич В. К. Деформационное старение стали / В. К. Бабич, Ю. П. Гуль, И. Е. Долженков // Москва : Металлургия, 1972. – 320 с.

Crist B. W. Comparison of the Hall – Petch parameters of Zone-refined Iron Determined by the Grain Size and Extrapolation Methods / B. W. Crist // Acta Metallurgica. – 1967. – Vol. 15. – № 5. – Pр. 809–816.

Garofalo F. Factors Affecting the Propagation of a Luders Band and the Lower Yield and Flow Stressers / F. Garofalo // Met. Transaction. – 1971. – Vol. 2. – № 8. – Pр. 2315–2317.

Published

2014-01-19