The Metallurgical hydrogen as an indicator and cause of damage to rolled steel Hydrogen diagnostics of fracture

##plugins.themes.bootstrap3.article.sidebar##

PDF Visual Abstract
Published Dec 21, 2022
DOI https://doi.org/10.3221/IGF-ESIS.63.23

##plugins.themes.bootstrap3.article.main##

Vladimir Polyanskiy
Institute for Problems in Mechanical Engineering of the Russian Academy of Sciences, Russia
Victor Loginov
Institute for Problems in Mechanical Engineering of the Russian Academy of Sciences, Russia
Yuriy A. Yakovlev
Institute for Problems in Mechanical Engineering of the Russian Academy of Sciences, Russia
Anatoly Polyanskiy
RDC Electron and Beam Technologies, Russia
Vecheclav Olekov
Research Institute of Bridges and Defectoscopy, Russia
Gregory Rostovykh
Research Institute of Bridges and Defectoscopy, Russia

Abstract

Fatigue tests and measurements of the volumetric distribution of metallurgical hydrogen in specimens cut from rolled I-beam 60Sh3 made of steel 10KhSND were carried out. Fatigue tests show a 20% reduction in fatigue limits compared to similar sheet material. On the fractures of the samples, there are flock-like defects in the areas of interface of the flanges of the I-beam, or the so-called zones of difficult deformation. The concentration of metallurgical hydrogen is unevenly distributed and varies from 0.17 ppm to 1.8 ppm. Large concentrations of hydrogen are observed in the zones of difficult deformation, which indicates the hydrogen nature of the metal defects observed at the fracture. The result of mechanical tests and hydrogen diagnostics is a manufacturing defect of rolled products that cannot be corrected. Hydrogen diagnostics using metallurgical hydrogen (without hydrogen charging samples) takes tens of times less time than mechanical tests, and gives an adequate result.

Comments

  1. Latest Oldest Top Comments

    Downloads

    Download data is not yet available.

    ##plugins.themes.bootstrap3.article.details##

    Issue
    Vol. 17 No. 63 (2023): January 2023
    Section
    SI: Russian mechanics contributions for Structural Integrity

    How to Cite

    Polyanskiy, V., Loginov, V., Yakovlev, Y., Polyanskiy, A., Olekov, V., & Rostovykh, G. (2022). The Metallurgical hydrogen as an indicator and cause of damage to rolled steel: Hydrogen diagnostics of fracture. Frattura Ed Integrità Strutturale, 17(63), 301–308. https://doi.org/10.3221/IGF-ESIS.63.23
    Creative Commons License

    This work is licensed under a Creative Commons Attribution 4.0 International License.

    Copyright 
    Authors are allowed to retain both the copyright and the publishing rights of their articles without restrictions.  

    Open Access Statement

    Frattura ed Integrità Strutturale (Fracture and Structural Integrity, F&SI) is an open-access journal which means that all content is freely available without charge to the user or his/her institution. Users are allowed to read, download, copy, distribute, print, search, or link to the full texts of the articles in this journal without asking prior permission from the publisher or the author. This is in accordance with the DOAI definition of open access.

    F&SI operates under the Creative Commons Licence Attribution 4.0 International (CC-BY 4.0). This allows to copy and redistribute the material in any medium or format, to remix, transform and build upon the material for any purpose, even commercially, but giving appropriate credit and providing a link to the license and indicating if changes were made.