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Influence on micro-geometry and surface characteristics of laser powder bed fusion built 17-4 PH miniature spur gears in laser shock peening
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SYSNO ASEP 0603586 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Influence on micro-geometry and surface characteristics of laser powder bed fusion built 17-4 PH miniature spur gears in laser shock peening Author(s) Pathak, Sunil (FZU-D) ORCID, RID
Stránský, Ondřej (FZU-D) ORCID
Šmaus, Jan (FZU-D)
Kopeček, Jaromír (FZU-D) RID, ORCID
Narayanan, J.A. (GB)
Kaufman, Jan (FZU-D) ORCID
Beránek, L. (CZ)
Böhm, Marek (FZU-D) ORCID
Brajer, Jan (FZU-D) ORCID
Mocek, Tomáš (FZU-D) RID, ORCID, SAINumber of authors 10 Article number 100151 Source Title Advances in Industrial and Manufacturing Engineering - ISSN 2666-9129
Roč. 9, Nov (2024)Number of pages 12 s. Language eng - English Country NL - Netherlands Keywords LPBF ; laser shock peening ; gear ; microgeomtery ; residual stresses ; microstructure Subject RIV JG - Metallurgy OECD category Materials engineering R&D Projects EH22_008/0004573 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) LM2023051 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Method of publishing Open access Institutional support FZU-D - RVO:68378271 UT WOS 001333081800001 EID SCOPUS 85205419913 DOI https://doi.org/10.1016/j.aime.2024.100151 Annotation Micro-geometrical errors, surface roughness, and surface integrity (microstructure, residual stresses, microhardness) play an important role in defining the quality of the gears as they directly affect their noise, vibration characteristics and service life during their use. In the present work, underwater laser shock peening (LSP) is employed to improve the quality of the laser powder bed fusion built 17-4 PH small-size spur gears (12 mm outside diameter). LSP was employed near the spur gear root, and effects were measured in terms of residual stresses, variation in microgeometry errors, surface roughness, porosity, microstructure, and microhardness. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2025 Electronic address 10.1016/j.aime.2024.100151
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