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Russian Journal of Nondestructive Testing

, Volume 55, Issue 5, pp 369–377 | Cite as

Comparison of Magnetic Parameters of Quenched Pipe Steels with X-Ray–Evaluated Residual Macro- and Microstresses

  • E. S. GorkunovEmail author
  • S. M. ZadvorkinEmail author
  • L. S. GorulevaEmail author
MAGNETIC METHODS
  • 18 Downloads

Abstract

Residual micro- and macrostresses have been determined by X-ray diffraction analysis in 22KhG2A, 30KhMA, and 32G2 grade steels quenched and tempered from various temperatures. It is demonstrated that not only residual macrostresses need to be determined, as prescribed by existing regulatory documents, but also microstresses, which characterize the extreme values of residual stresses. The possibility of using magnetic parameters for evaluating residual micro- and macrostresses has been investigated. It has been established that coercive force, maximum magnetic permeability, and Barkhausen magnetic noise characteristics can be used as informative parameters in the evaluation of microstresses.

Keywords:

nondestructive method residual stresses magnetic parameters pipe steels 

Notes

ACKNOWLEDGMENTS

The authors are grateful to the IES (Institute of Engineering Science) member of staff A.L. Osintseva for her help with this study. The equipment at Plastometry Shared Services Center was used when conducting this research.

FUNDING

The work is done in the framework of the state assignment, project no. 0391-2016-0005.

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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  1. 1.Institute of Engineering Science, Ural Branch, Russian Academy of SciencesYekaterinburgRussia

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