COMPREHENSIVE ASSESSMENT OF THE DEGREE OF DEGRADATION OF THE MATERIAL UNDER CYCLIC LOADING

J. of Mech. Eng., 2017, vol. 20, no. 2, pp. 61-69

DOI:   https://doi.org/10.15407/pmach2017.02.061

Journal Journal of Mechanical Engineering 
Publisher A. Podgorny Institute for Mechanical Engineering Problems
National Academy of Science of Ukraine
ISSN 0131-2928 (Print), 2411-0779 (Online)
Issue Vol. 20, no. 2, 2017 (June)
Pages 61–69

 

Authors

K. V. Vakulenko, A. Podgorny Institute of Mechanical Engineering Problems of NASU (2/10, Pozharsky St., Kharkiv, 61046, Ukraine), e-mail: matsevlad@ipmach.kharkov.ua

I. V. Biblik, A. Podgorny Institute of Mechanical Engineering Problems of NASU (2/10, Pozharsky St., Kharkiv, 61046, Ukraine)

I. B. Kazak, A. Podgorny Institute of Mechanical Engineering Problems of NASU (2/10, Pozharsky St., Kharkiv, 61046, Ukraine)

 

Abstract

This paper establishes the possibility of using an integrated approach based on computer simulation and coercimetric control for assessing the fatigue life of 40X steel samples in the initial state and after surface plastic deformation. It is shown that the characteristic feature of the combined use of magnetic control over the coercive force and computer simulation is the possibility of detecting the initial stages of defect origination and preventing their development to critical sizes.

 

Keywords: computer modeling, coercive force, state of the surface, fatigue life

 

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Received 21 March 2017