Influence of Residual Stress Induced in Steel Material on Eddy Currents Response Parameters

Botko, František; Zajac, Jozef; Czán, Andrej; Radchenko, Svetlana; Lehocká, Dominika; Duplák, Ján

doi:10.1007/978-3-030-16943-5_47

Cited by 9 publications

(3 citation statements)

References 23 publications

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“…For making bearings more durable in various applications, their microstructure must be appropriately tuned as per their use. For example, bearings in gearboxes can experience premature failure due to the development of cracks in the bearing steel if the required RA content is not maintained [1][2][3]. It was reported that increased RA content (>20%) in these bearings provides a relatively long service life in such applications [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Retained Austenite in Carburized Bearing Steel Using Magneto-Inductive Method

Ionescu,

Pantawane,

Tănase

et al. 2023

Crystals

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The present work explores the magneto-inductive method to evaluate different levels of retained austenite content in carburized 20NiCrMo7 bearing steel while comparing the corresponding measurements by X-ray diffractometry and image analysis by optical microscope. The content of retained austenite in carburized 20NiCrMo7 steel was modified with additional tempering to yield three samples with distinct ranges of retained austenite profiles in the carburized region of the steel. The retained austenite measured at different depths in these samples using the magneto-inductive method had an outcome comparable to other methods. Further discussion based on data suggests that the magneto–induction method yields precise (with an average deviation of 0.5%) results with sufficient sensitivity at different levels (including below 5 vol. %.) of retained austenite.

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Section: Introductionmentioning

confidence: 99%

Evaluation of Retained Austenite in Carburized Bearing Steel Using Magneto-Inductive Method

Ionescu,

Pantawane,

Tănase

et al. 2023

Crystals

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“…Pulsed eddy currents were used for aircraft riveted structures [ 26 ], and one of the first practical applications was for tubes’ defect detection in the nuclear industry [ 27 ] and crack depths detection [ 28 ]. Besides the classic type defects detection, eddy current testing can be used for conductivity measurements [ 29 ], conductive and non-conductive coating thickness evaluations [ 30 , 31 ] and residual stresses identification [ 32 , 33 ]. Additionally, technology provides possible applications within the automation [ 34 ].…”

Section: Introductionmentioning

confidence: 99%

Eddy Current Testing of Artificial Defects in 316L Stainless Steel Samples Made by Additive Manufacturing Technology

et al. 2022

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Additive manufacturing has many positives, but its incorporation into functional parts production is restricted by the presence of defects. Eddy current testing provides solutions for their identification; however, some methodology and measurement standards for AM (additive manufacturing) products are still missing. The main purpose of the experiment described within this article was to check the ability of eddy current testing to identify AM stainless steel parts and to examine the data obtained by eddy currents variation under the influence of various types of designed artificial defects. Experimental samples were designed and prepared with SLM (selective laser melting) technology. Artificial defects, included in the samples, were detected using the eddy current testing device, taking the important circumstances of this non-destructive method into account. The presented research shows significant potential for eddy current testing to identify defects in AM products, with a resolution of various types and sizes of defects. The obtained data output shows the importance of choosing the right measurement regime, excitation frequency and secondary parameters setup. Besides the eddy current testing conditions, defect properties also play a significant role, such as their shape, size, if they are filled with unmolten powder or if they reach the surface.

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“…Its widespread use in various fields requires a constant thorough examination of welded joints. Great emphasis is placed mainly on its safety, so it is important to evaluate the quality of the welded joint by various methods [2], [3].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Stainless Steel AISI 316Ti Corner Joints Quality Produced by Tungsten Inert Gas Welding

Botkova¹,

Botko²,

Mitalova³

et al. 2020

TEM Journal

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Welding is one of the most common ways of creating permanent joints in various industries. It is important to constantly look for ways to increase the quality of welds and look for optimal conditions to achieve a quality joint. The presented article is focused on the evaluation of the quality of weldments made of AISI 316Ti material created by TIG technology with additional material and without additional material. The parameter that changed was the welding current. HV hardness measurements and macroscopic weld evaluation were used to evaluate the quality of the welded joint.

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Influence of Residual Stress Induced in Steel Material on Eddy Currents Response Parameters

Cited by 9 publications

References 23 publications

Evaluation of Retained Austenite in Carburized Bearing Steel Using Magneto-Inductive Method

Evaluation of Retained Austenite in Carburized Bearing Steel Using Magneto-Inductive Method

Eddy Current Testing of Artificial Defects in 316L Stainless Steel Samples Made by Additive Manufacturing Technology

Evaluation of Stainless Steel AISI 316Ti Corner Joints Quality Produced by Tungsten Inert Gas Welding

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