Laser peening: A tool for additive manufacturing post-processing
Sign Up to like & getrecommendations! Published in 2018 at "Additive Manufacturing"
DOI: 10.1016/j.addma.2018.09.013
Abstract: Abstract Additive manufacturing (AM) is rapidly moving from research to commercial applications due to its ability to produce geometric features difficult or impossible to generate by conventional machining. Fielded components need to endure fatigue loadings… read more here.
Keywords: laser peening; laser; peening tool; tool additive ... See more keywords
Optimised laser peening strategies for damage tolerant aircraft structures
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Fatigue"
DOI: 10.1016/j.ijfatigue.2020.105890
Abstract: Abstract Simulation models were constructed to explore the influence of compressive residual stress on fatigue crack growth rates in aluminium sheet. Balanced residual stress fields resulting from imposition of compressive stresses in laser peen patches… read more here.
Keywords: laser peening; growth rates; damage tolerant; residual stress ... See more keywords
Geometry distortion and residual stress of alternate double-sided laser peening of thin section component
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Materials Processing Technology"
DOI: 10.1016/j.jmatprotec.2017.08.033
Abstract: Abstract Laser peening of components with thin section is of great concern in industry to improve anti-fatigue properties. This study proposes alternate double-sided laser peening (ADLP) as an optional way for the surface treatment of… read more here.
Keywords: laser peening; thin section; distortion; geometry ... See more keywords
Microstructural analysis of selective laser melted Ti6Al4V modified by laser peening and shot peening for enhanced fatigue characteristics
Sign Up to like & getrecommendations! Published in 2021 at "Materials Characterization"
DOI: 10.1016/j.matchar.2021.110935
Abstract: Abstract The increased availability of additively manufactured materials provides a new extended design freedom for innovative products and applications, especially with view to high-tech demands as in the aerospace industry. Current microstructural challenges relevant for… read more here.
Keywords: laser peening; laser melted; selective laser; laser ... See more keywords
Suppression of intergranular corrosion by surface grain boundary engineering of 304 austenitic stainless steel using laser peening plus annealing
Sign Up to like & getrecommendations! Published in 2020 at "Materials today communications"
DOI: 10.1016/j.mtcomm.2020.101572
Abstract: Abstract Grain boundary engineering (GBE) has a high potential to suppress intergranular degradation and improve weld properties. Thermomechanical processing is typically used to optimize grain boundary character distributions (GBCDs) for the GBE of face-centered cubic… read more here.
Keywords: intergranular corrosion; laser peening; grain boundary; plus annealing ... See more keywords
Improving the fatigue limit and rendering a defect harmless by laser peening for a high strength steel welded joint
Sign Up to like & getrecommendations! Published in 2021 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2020.106605
Abstract: Abstract The effects of laser peening (LP) on fatigue limit improvement and acceptable defect size of a high strength steel HT780 (JIS-SHY685) welded joint were investigated. Fatigue tests were performed, following the optimization of the… read more here.
Keywords: laser peening; fatigue limit; strength steel; limit ... See more keywords
Anomalous shear band characteristics and extra-deep shock-affected zone in Zr-based bulk metallic glass treated with nanosecond laser peening
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/srep43948
Abstract: The effects of nanosecond laser peening on Zr41Ti14Cu12.5Ni10Be22.5 metallic glass were investigated in this study. The peening treatment produced an extra-deep shock-affected zone compared to crystal metal. As opposed to the conventional shear bands, numerous… read more here.
Keywords: laser peening; deep shock; metallic glass; extra deep ... See more keywords
Improvement in Bending Strength of Silicon Nitride through Laser Peening
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15010315
Abstract: This study aimed to improve the bending strength and reliability of ceramics using laser peening (LP). In the experiment, LP without coating (LPwC) and with coating (LPC) were applied to silicon nitride (Si3N4) under various… read more here.
Keywords: strength; silicon nitride; residual stress; laser peening ... See more keywords
Effect of Laser Peening Process Parameters and Sequences on Residual Stress Profiles
Sign Up to like & getrecommendations! Published in 2019 at "Metals"
DOI: 10.3390/met9060655
Abstract: Laser Peening (LP) is a surface modification technology that can induce high residual stresses in a metallic material. The relation between LP process parameters, in particular laser sequences, as well as pulse parameters and the… read more here.
Keywords: laser peening; residual stress; direction; stress ... See more keywords