Features of surface preparation for nondestructive X-ray diagnostics of the stress state of railway metal critical parts

S. A. Nikulin; S. L. Shitkin; A. B. Rozhnov; T. A. Nechaykina

doi:10.1134/S2075113317010257

Features of surface preparation for nondestructive X-ray diagnostics of the stress state of railway metal critical parts

Authors: Nikulin S.A.¹, Shitkin S.L.², Rozhnov A.B.², Nechaykina T.A.¹
Affiliations:
1. National University of Science and Technology MISIS
2. OAO Railway Research Institute (VNIIZhT)
Issue: Vol 8, No 1 (2017)
Pages: 42-46
Section: Article
URL: https://journals.rcsi.science/2075-1133/article/view/205932
DOI: https://doi.org/10.1134/S2075113317010257
ID: 205932

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Abstract

By example of samples of railway transport parts of cast and wrought steels, a need for surface preparation for X-ray measurements of surface stress providing removal of a cold-hardened surface layer 150–200 μm thick is shown. Basic principles and criteria of the required quality of surface preparation are determined.