RAS Energy, Mechanics & ControlИзвестия Российской академии наук. Механика твердого тела Mechanics of Solids

  • ISSN (Print) 1026-3519
  • ISSN (Online) 3034-6428

Evaluation of the length scale parameters of metals based on fatigue tests data for samples with surface defects

PII
S30346428S1026351925010098-1
DOI
10.7868/S3034642825010098
Publication type
Article
Status
Published
Authors
Volume/ Edition
Volume / Issue number 1
Pages
170-196
Abstract
A method for identifying the scale parameter of the gradient theory of elasticity is proposed based on known experimental data on the effect of the size of surface corrosion defects on the fatigue resistance parameters of steels and aluminum alloys. The possibility of a natural description of a decrease in the stress concentration coefficient near small-sized corrosion defects, which in this work are modeled as semi-ellipsoidal surface cavities, is shown. The identified values of the scale parameters are in the range of 20–230 microns.
Keywords
градиентная теория упругости масштабные параметры материала коррозионные дефекты численное моделирование размерные эффекты сопротивление усталости
Date of publication
20.01.2026
Year of publication
2026
Number of purchasers
0
Views
16

References

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