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Femtosecond laser peening of stainless steel

WebTribological Properties of High-Speed Uniform Femtosecond Laser Patterning on Stainless Steel Iaroslav Gnilitskyi et al. Lubricants, 2024 ... The Effect of Severe Shot Peening on Fatigue Life of Laser Powder Bed Fusion Manufactured 316L Stainless Steel Timo Rautio et al. Materials, 2024 ... WebHowever, in the case of femtosecond laser, the water does not always contribute to the deformation. ecause, the wB a-ter absorbs focused femtosecond laser pulses and decrease its energy easily [16]. The coating and water film are not necessary for femtosecond laser peen forming. These prop-erties contribute to simplify the …

Femtosecond laser peening of 2024 aluminum alloy without a …

WebMar 31, 2024 · Semantic Scholar extracted view of "Effects of femtosecond laser shock peening in distilled water on the surface characterizations of NiTi shape memory alloy" by Hao Wang et al. ... On femtosecond laser shock peening of stainless steel AISI 316. J. Hoppius, L. M. Kukreja, +4 authors E. Gurevich; Physics. 2024; 44. PDF. Save. WebJun 15, 2024 · In order to improve the stress corrosion resistance of 304 stainless steel, the laser shock peening tests without coating were carried out. The roughness, microhardness, residual stress, and microstructure were analyzed, the slow strain rate test was carried out and the stress corrosion sensitivity indexes were calculated. The results … tigerdirect bbb rating https://riedelimports.com

Materials Free Full-Text Functional Surfaces via Laser Processing ...

WebJan 1, 2024 · Laser Shock Peening (LSP) of stainless-steel 316 and 316L was studied using Ti: Sapphire laser pulses of about 2 ps duration, maximum energy of about 1mJ and pulse repetition rate of 5kHz in ... Webbetween the femtosecond shock peening on the one hand, and formation of laser-induced periodic surface structures (LIPSS) and surface oxidation on the other hand. Peening of … WebMar 1, 2024 · An investigation on the effect of change in experimental sequence of warm laser shock peening and laser shock peening on the performance of DD6 nickel-based single-crystal superalloy ... and femtosecond laser shock peening. Yan-qing Yu, Jianen Gong, +4 authors ... Enhancement of corrosion resistance of 304L stainless steel … themen motive

Femtosecond laser shock peening of galvanized stainless …

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Femtosecond laser peening of stainless steel

On femtosecond laser shock peening of stainless steel AISI 316

WebLi et al. found that femtosecond laser shock peening can increase the hardness by 45.5% on the surface of 304 stainless steel when the sample was processed without a protective layer and confinement coating [7]. Maharjan et al. also found similar results when they processed 420 martensitic stainless steel with femtosecond laser shock peening [8]. WebMar 3, 2024 · In an earlier work, we have studied morphological, compositional, and crystallographic changes in the near-surface regions of stainless steel (SS420) induced by laser scanning (λ = 1020 nm and 400 W) with varied scanning rate V [ 16 ]. It was found that laser-ablation occurred at V ≥ 20 mm s −1, while surface melting and resolidification ...

Femtosecond laser peening of stainless steel

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WebNov 1, 2024 · Laser Shock Peening (LSP) of stainless-steel 316 and 316L was studied using Ti: Sapphire laser pulses of about 2 ps duration, maximum energy of about 1mJ and pulse repetition rate of 5kHz in ... http://www.jlps.gr.jp/jlmn/assets/d7171d496dfdeb0f99f6262c22d0d121.pdf

WebOct 14, 2024 · In this work, the corrosion resistance of mild steel surface nanostructured with a femtosecond laser and coated with high corrosion resistant CrCoNi (CCN) medium entropy alloy through magnetron ... Webprocedure for stainless steel wetting control via femtosecond laser structuring. The wetting properties of the textured ... of the stainless steel at laser-untreated area measured by the EDS spectrometer was 35.9 at% C, 8.2 at% O, 11.0 at% Cr, 0.8 at% Mn, 39.8 at% Fe, 4.3 at% Ni. A stylus pro ler (Dektak 150,

WebApr 14, 2024 · Recently, laser polishing, as an effective post-treatment technology for metal parts fabricated by laser powder bed fusion (LPBF), has received much attention. In this paper, LPBF-ed 316L stainless steel samples were polished by three different types of lasers. The effect of laser pulse width on surface morphology and corrosion resistance … WebNov 9, 2024 · The authors optimized the processing parameters of laser shock peening (LSP) of stainless steel, taken as a representative metal, using a Ti:sapphire laser with pulse durations in the range of 100 fs–2 ps.

WebThis paper investigated the use of laser surface texturing (LST) to improve the tribological properties of YG6X cemented carbide. Three different spaced groove textures were processed on the surface of the YG6X carbide samples using a femtosecond laser. Friction experiments and friction simulations were performed under two friction subsets and two …

WebDec 23, 2024 · Laser shock peening (LSP) with nanosecond or femtosecond laser pulses is applied to improve the mechanical properties of metallic materials. Thus, it is necessary to compare the effects of different processing methods on microstructure changes and property improvement. In this study, nanosecond LSP (NLSP), femtosecond LSP (FLSP), and … themenmontag orfhttp://www.jlps.gr.jp/jlmn/assets/d7171d496dfdeb0f99f6262c22d0d121.pdf tigerdirect black friday couponWeb开馆时间：周一至周日7:00-22:30 周五 7:00-12:00; 我的图书馆 the men movieWebSep 6, 2024 · Trdan et al. studied the effect of femtosecond laser shock peening on the corrosion behavior of AA2024-T3, and it was found that the main reason for femtosecond laser peening to improve corrosion resistance may be the refined structure and the reduction of intergranular corrosion; Kolobov et al. found that TiO 2, Ti 3 O 5 and TiO … the menna familyWebJan 1, 2024 · Abstract. In this paper a SUS316L stainless steel was electroplated with metallic layers and coated with polymer films. A sub-100fs ultrashort laser pulse with a … the men movie stars gravesWebond laser peening. We carried out femtosecond laser peen-ing of stainless steel [4]; to the best of our knowledge, it was the first published paper on femtosecond laser peening. Nonetheless, a systematic study of femtosecond laser peen-ing has not yet been conducted. In this paper, we report the experimental results of the femtosecond laser ... themen morgenmagazinWebJan 1, 2009 · We demonstrate the femtosecond laser peening, which has not been reported thus far, of stainless steel. The test sample used in the present study is commercial … tigerdirect clearance rebate