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   Articles with "shock peening" as a keyword



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Incremental Hole Drilling Residual Stress Measurement in Thin Aluminum Alloy Plates Subjected to Laser Shock Peening

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recommendations! Published in 2020 at "Experimental Mechanics"

DOI: 10.1007/s11340-020-00586-5

Abstract: The American standard ASTM E837 presents a standard procedure to determine residual stresses in isotropic materials using the incremental hole drilling technique (IHD). The standard, however, presents limitations regarding its applicability, such as those related… read more here.

Keywords: aluminum alloy; shock peening; incremental hole; laser shock ... See more keywords
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Influence of multiple laser shock peening treatments on the microstructure and mechanical properties of Ti-6Al-4V alloy fabricated by electron beam melting

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recommendations! Published in 2022 at "International Journal of Minerals, Metallurgy and Materials"

DOI: 10.1007/s12613-021-2322-2

Abstract: Laser shock peening (LSP) is an attractive post-processing method to tailor surface microstructure and enhance mechanical performances of additive manufactured (AM) components. The effects of multiple LSP treatments on the microstructure and mechanical properties of… read more here.

Keywords: laser shock; microstructure mechanical; shock peening; lsp treatments ... See more keywords
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Enhance Fatigue Resistance of Nanocrystalline NiTi by Laser Shock Peening

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recommendations! Published in 2019 at "Shape Memory and Superelasticity"

DOI: 10.1007/s40830-019-00256-z

Abstract: A pre-strain laser shock peening method is proposed to fabricate fatigue-resistant nanocrystalline NiTi with graded nanolayers and compressive residual stress layers. Grain size gradient surface layer of about 100 μm thick is fabricated on a… read more here.

Keywords: laser; shock peening; nanocrystalline niti; surface ... See more keywords
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Microstructural characterisation of metallic shot peened and laser shock peened Ti–6Al–4V

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recommendations! Published in 2017 at "Acta Materialia"

DOI: 10.1016/j.actamat.2016.10.044

Abstract: Abstract A detailed analysis has been conducted of Ti–6Al–4V processed by metallic shot peening and laser shock peening. Analysis by incremental hole drilling, electron backscattered diffraction microscopy, transmission electron microscopy and transmission Kikuchi diffraction microscopy… read more here.

Keywords: laser shock; metallic shot; shock peening; microscopy ... See more keywords
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Gradient twinning microstructure generated by laser shock peening in an AZ31B magnesium alloy

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recommendations! Published in 2018 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2018.06.176

Abstract: Abstract Mg alloys are lightweight structural metals that are promising for a variety of engineering applications. However, use of Mg alloys is often restricted by their poor mechanical properties. Recent studies indicate that a novel… read more here.

Keywords: laser; shock peening; surface; laser shock ... See more keywords
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Strength enhancement of magnesium alloy through equal channel angular pressing and laser shock peening

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recommendations! Published in 2020 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2020.145755

Abstract: Abstract AM80 magnesium alloy was processed by Equal Channel Angular Pressing up to 2 passes under route BC and C, to study the effect of change in microstructure. Microstructures were examined under optical microscope. Samples… read more here.

Keywords: laser; shock peening; equal channel; laser shock ... See more keywords
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Influence of laser shock peening on the coefficient of thermal expansion of Al (7075)-based hybrid composites

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recommendations! Published in 2020 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2020.156088

Abstract: Abstract Integration of laser shock peening (LSP) and friction stir welding (FSW) was conducted for TiC strengthening on 7075 aluminum (Al) alloys. During FSW, TiC nanoparticles were mixed by using a stir pin to obtain… read more here.

Keywords: shock peening; expansion; hybrid composites; laser shock ... See more keywords
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Effective femtosecond laser shock peening on a Mg–3Gd alloy at low pulse energy 430 µJ of 1 kHz

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recommendations! Published in 2019 at "Journal of Magnesium and Alloys"

DOI: 10.1016/j.jma.2019.05.005

Abstract: Abstract In this paper, microstructure evolution and hardness of Mg-3Gd alloy treated by femtosecond (fs) laser shock peening (LSP) with direct and confined ablation modes were investigated in detail. Under a relatively low pulse energy… read more here.

Keywords: femtosecond laser; low pulse; laser shock; shock peening ... See more keywords
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Laser shock peening: A promising tool for tailoring metallic microstructures in selective laser melting

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recommendations! Published in 2019 at "Journal of Materials Processing Technology"

DOI: 10.1016/j.jmatprotec.2018.11.024

Abstract: Abstract Metallic parts made by Selective Laser Melting (SLM) are known for their heterogeneous microstructures in the as-built (AB) state. In this paper, Laser Shock Peening (LSP) was performed on a 316 L stainless steel part… read more here.

Keywords: laser shock; laser melting; shock peening; selective laser ... See more keywords
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Effect of low energy laser shock peening on the mechanical integrity of Hastelloy C-276 welds

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recommendations! Published in 2019 at "Journal of Materials Processing Technology"

DOI: 10.1016/j.jmatprotec.2019.116296

Abstract: Abstract The pulsating current approach in tungsten inert gas (TIG) welding is adapted for joining Hastelloy C-276. Microstructure examination revealed the absence of micro-segregation while employing UNS N06022 filler. Due to the prevalence of higher… read more here.

Keywords: energy laser; hastelloy 276; low energy; laser shock ... See more keywords
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Friction and wear on laser textured Ti6Al4V surface subjected to laser shock peening with contacting foil

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recommendations! Published in 2018 at "Optics and Laser Technology"

DOI: 10.1016/j.optlastec.2017.12.044

Abstract: Abstract The Ti6Al4V micro-dimple surfaces fabricated by a masked laser surface texturing (MLST) technique within water were subjected to soft contact laser shock peening (SCLSP) and hard contact laser shock peening (HCLSP). The effects of… read more here.

Keywords: laser; shock peening; surface; friction ... See more keywords