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Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.]:
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Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 2016, Volume 20, Number 2, Pages 290–305 (Mi vsgtu1468)  

This article is cited in 1 scientific paper (total in 1 paper)

Mechanics of Solids

Experimental research of residual stresses kinetics in the hardened hollow cylindrical specimens of D16T alloy at the axial tension under the creep conditions

V. P. Radchenkoa, V. A. Kirpichevb, V. V. Lunina, A. P. Philatovb, A. P. Morozova

a Samara State Technical University, Samara, Russian Federation, 443100
b Samara National Research University, Samara, Russian Federation, 443086

Abstract: We study experimentally the effect of the axial tension load on the residual stresses relaxation in the surface-hardened hollow cylindrical specimens of D16T aluminium alloy at a temperature of 125 $^\circ$C. The surface is hardened by the air shot-peening. We describe the testing machine and the routine of experiment. The experimental curves of hardened specimens creep under the axial loads $353$, $385$, $406.2$, $420$ MPa and test duration of 100–160 hours are obtained. The axial and circumferential residual stresses after the hardening and the creep at the given temperature and load conditions are constructed by the method of circles and strips. The significant qualitative and quantitative changes of residual stresses take place under the tension load $\bar \sigma$ in comparison with the thermal exposure (heat exposal with no load). The relaxation of residual stresses is essentially independent of the thermal exposure. In contrast, the loading leads to the significant residual stresses relaxation and to the changes in the distribution type. The axial and circumferential residual stresses evolve from the compressive to the tension with the increase of the axial tension load. Also the depth of residual stresses location changes with the increase of the axial tension load from the 600 microns in the original state after the air shot-peening to the 250–300 microns after the creep under the given loading. It is very important for the engineering applications to take into account the described behaviours of the residual stresses in the hardened specimens of D16T alloy when predicting the characteristics of endurance of the surface-hardened details operate under the elevated temperatures.

Keywords: hollow cylinder, surface plastic hardening, residual stresses, creep, axial loading, relaxation of residual stresses

Funding Agency Grant Number
Russian Foundation for Basic Research 13-01-00699-а
Ministry of Education and Science of the Russian Federation 1151
This work was supported by the Russian Ministry of Education and Science within the base portion of the state task to Samara State Technical University (project no. 1151) and supported by the Russian Foundation for Basic Research (project no. 13–01–00699-a).


DOI: https://doi.org/10.14498/vsgtu1468

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Bibliographic databases:

Document Type: Article
UDC: 539.376:539.4.014.13
MSC: 74A10
Original article submitted 18/I/2016
revision submitted – 12/IV/2016

Citation: V. P. Radchenko, V. A. Kirpichev, V. V. Lunin, A. P. Philatov, A. P. Morozov, “Experimental research of residual stresses kinetics in the hardened hollow cylindrical specimens of D16T alloy at the axial tension under the creep conditions”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 20:2 (2016), 290–305

Citation in format AMSBIB
\Bibitem{RadKirLun16}
\by V.~P.~Radchenko, V.~A.~Kirpichev, V.~V.~Lunin, A.~P.~Philatov, A.~P.~Morozov
\paper Experimental research of residual stresses kinetics in the hardened hollow cylindrical specimens
of~D16T alloy at the axial tension under the creep conditions
\jour Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.]
\yr 2016
\vol 20
\issue 2
\pages 290--305
\mathnet{http://mi.mathnet.ru/vsgtu1468}
\crossref{https://doi.org/10.14498/vsgtu1468}
\zmath{https://zbmath.org/?q=an:06964488}
\elib{http://elibrary.ru/item.asp?id=27126237}


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    This publication is cited in the following articles:
    1. V. P. Radchenko, A. P. Morozov, M. N. Saushkin, “A stochastic model for the residual stresses calculation in the surface-hardened hollow cylinder under creep”, PNRPU Mechanics Bulletin, 2017, no. 1, 181–207  crossref  elib  scopus
  • Вестник Самарского государственного технического университета. Серия: Физико-математические науки
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