Three-Dimensional Fractography for Conventional and Additive Manufactured Steels After Bending-Torsion Fatigue - Publication - Bridge of Knowledge

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Three-Dimensional Fractography for Conventional and Additive Manufactured Steels After Bending-Torsion Fatigue

Abstract

In this study, fracture surface topography parameters were measured to investigate the effects of multiaxial loading. In order to assess the metrological aspects of fracture for notched specimens made of high-strength steels processed by both conventional and additively manufacturing (AM) techniques, an optical surface profilometer was used. Three bending moment to torsion moment ratios (B/T) were studied, i.e. 2, 1 and 2/3. The geometries were solid round bars with lateral notches made of conventional steel and hollow round bars with transversal holes for AM specimens. The investigations indicate that arithmetical mean height, Sa, decreased and fractal dimension, Df, increased with higher B/T ratios and higher fatigue lives.

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Details

Category:
Monographic publication
Type:
rozdział, artykuł w książce - dziele zbiorowym /podręczniku w języku o zasięgu międzynarodowym
Published in:
Structural Integrity no. 25, pages 127 - 135,
ISSN: 2522-560X
Title of issue:
Structural Integrity and Fatigue Failure Analysis strony 127 - 135
Language:
English
Publication year:
2022
Bibliographic description:
Macek W., Branco R., Trembacz J., Costa J. D., Ferreira J. A. M., Capela C.: Three-Dimensional Fractography for Conventional and Additive Manufactured Steels After Bending-Torsion Fatigue// Structural Integrity and Fatigue Failure Analysis/ : , 2022, s.127-135
DOI:
Digital Object Identifier (open in new tab) 10.1007/978-3-030-91847-7_13
Verified by:
Gdańsk University of Technology

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