Article 12216

Title of the article

ANALYTICAL ESTIMATION OF RESIDUAL STRESS DISTRIBUTION IN DEPTH OF THE FACIAL LAYER OF DETAILS MADE OF HIGH-STRENGHT STEELS AT SURFACE PLACTIC DEFORMATION

Authors

Zyk Evgeniy Nikolaevich, Postgraduate student, Moscow State University of Informatics and Instrument Engineering (20 Stromynka street, Moscow, Russia), zyk.eugene@gmail.com
Pleshakov Viktor Viktorovich, Candidate of engineering sciences, professor, sub-department VT-12, Moscow State University of Informatics and Instrument Engineering (20 Stromynka street, Moscow, Russia), pleshakovvv@yandex.ru

Index UDK

621.7.09

DOI

10.21685/2072-3059-2016-2-12

Abstract

Background. The object of the research is details made of the high-test constructional steel brand 30HGSN2A. The subject of the research is distribution of residual stress in depth of the facial layer as a result of work-hardering treatment by shot. The purpose of the research is to analytically estimate distribution of residual stress in depth of the facial layer of details made of high-strenght steels during manufacturing and repairing.
Materials and methods. The analytical estimation of residual stress distribution in depth of the facial layer was carried out on the basis of the classical theory of elasticity and with the help of multifactorial experiments with application of nondestructive testing methods. The research findings were processed by methods of regressive analysis.
Results. The research resulted in obtainment of an analytical dependence for analytical estimation of residual stress distribution in depth of the facial layer.
Conclusions. The resulting model is adequate to real processes in the surface of details. A comparison with the experimental data has revealed a deviation of not more than 20 %

Key words

residual stress, surface layer, treatment by shot, nondestructive control methods, theory of elasticity.

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References

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Дата создания: 30.09.2016 08:53
Дата обновления: 30.09.2016 14:01