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Fracture surface topography measurements analysis of low-alloyed corrosion resistant steel after bending-torsion fatigue tests
Abstract
In this paper, an assessment of a topography measurement method for fracture surfaces of 10HNAP steel after bending-torsion fatigue tests was performed. Surface roughness was measured by using a non-contact Focus Variation Microscopy (FVM) technique in which the non-measured points (NMPs) and outliers (spikes) were removed by the application of general methods. The results revealed, that the optical measurement method introduced variations in the high-frequency errors, considered as noise within the selected bandwidth. Therefore, the minimization of the high-frequency noise (HFN) was proposed based on an extensive examination of ISO 25178 roughness parameters. Additionally, a general S-filter was applied, as recommended by international standards and commercial software. It was used to identify and remove noise from the measured data after pre-processing. Consequently, levelling and eliminating of NMPs and spikes was successfully performed. Subsequently, the results obtained by using various filters were compared to further assess the impact of different filtration bandwidths. Finally, the proposed procedure was validated by implementing different general functions, such as autocorrelation (ACF), power spectral densities (PSD), and texture direction (TD). It was concluded, that coupled characteristics, including profile and areal measurements, should be studied simultaneously since they are necessary to analyze the fracture surfaces comprehensively.
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Authors (6)
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Przemysław Podulka
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Mateusz Kopec
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Ricardo Branco
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Henryk Achtelik
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
PRECISION ENGINEERING-JOURNAL OF THE INTERNATIONAL SOCIETIES FOR PRECISIONENGINEERING AND NANOTECHNOLOGY
no. 89,
pages 296 - 316,
ISSN: 0141-6359 - Language:
- English
- Publication year:
- 2024
- Bibliographic description:
- Podulka P., Macek W., Zima B., Kopec M., Branco R., Achtelik H.: Fracture surface topography measurements analysis of low-alloyed corrosion resistant steel after bending-torsion fatigue tests// PRECISION ENGINEERING-JOURNAL OF THE INTERNATIONAL SOCIETIES FOR PRECISIONENGINEERING AND NANOTECHNOLOGY -Vol. 89, (2024), s.296-316
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.precisioneng.2024.07.002
- Sources of funding:
-
- Free publication
- Verified by:
- Gdańsk University of Technology
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