Effect of Laser Polishing Post-Processing Technique on the Roughness and Wear Resistance of Inconel 625 Deposited by Laser Cladding on AISI 304L Stainless Steel

Mariani, Fábio; Ribeiro, Kandice Suane Barros; Lombardi, Amadeu Neto; Casteletti, Luíz Carlos; Coelho, Reginaldo Teixeira

doi:10.1007/s11665-021-05962-3

Cited by 12 publications

(2 citation statements)

References 23 publications

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“…In comparison to this, coatings manufactured by conventional LMD reach a surface roughness of approx. Ra = 13.8-31.7 µm (Sa = 15-105 µm) [10][11][12]. The material and coating thickness differ in the mentioned studies.…”

Section: Introductionmentioning

confidence: 99%

Influence of the Relative Position of Powder–Gas Jet and Laser Beam on the Surface Properties of Inconel 625 Coatings Produced by Extreme High-Speed Laser Material Deposition (EHLA)

et al. 2023

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Laser material deposition (LMD) is a widely used coating process in industry. However, to increase its economic appeal, higher process speeds are required. The solution to this challenge is an innovative modification known as extreme high-speed laser material deposition (EHLA). EHLA allows for an impressive increase in process speed from 2 m/min for conventional LMD to 500 m/min. With the ability to adjust process parameters, EHLA can generate tailor-made surface properties, expanding its potential application beyond current industrial uses. In this novel study, we explore the effects of relative positioning between tools (laser beam and powder–gas jet) and substrate on the surface properties of EHLA coatings. By laterally and axially offsetting the tools, the proportional energy coupling of the laser radiation into the powder–gas jet and substrate can be modified. Altering the position of the powder–gas jet can also affect the weld pool flow or number of particle attachments, thereby affecting surface properties. This approach allows for the adjustment of surface roughness over a wide range—from smooth, quasi-laser-polished surfaces to rough surfaces covered with particle adhesions.

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Section: Introductionmentioning

confidence: 99%

Influence of the Relative Position of Powder–Gas Jet and Laser Beam on the Surface Properties of Inconel 625 Coatings Produced by Extreme High-Speed Laser Material Deposition (EHLA)

et al. 2023

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“…For example, in biomedicine, the surface should be smooth and non-abrasive, the Ra value should be no more than 0.1 µm, and the surface should be free of oxide, cracks, depressions, front edge, speculation, and other defects and free of mosaicism. At present, the surface treatment process of L-PBF molding parts mainly includes machining, chemical polishing, laser polishing, and heat treatment (Mariani et al, 2021;Souza et al, 2021;Bezuidenhout et al, 2020). Bagehorn et al (2017) machined Ti-6Al-4V parts manufactured by additive manufacturing, and the roughness was reduced to 1 µm.…”

Section: Introductionmentioning

confidence: 99%

Surface quality improvement for 316L additive manufactured prototype based on magnetorheological polishing

She

Gong²,

Chen

et al. 2023

Mech. Sci.

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Abstract. Additive manufacturing has attracted increasing attention in recent years due to its flexibility and near-net shaping advantages. Although recent advancements in metal additive manufacturing accuracy have met the post-processing requirement for dimensional tolerance, the finishing post-processing of functional surfaces must be further investigated in conjunction with material characteristics. This research aims to investigate the use of a flexible process in the polishing of additive molding samples. As an example, the surface of a 316L stainless steel sample formed by powder bed laser melting was polished using magnetorheological polishing technology. Magnetic field simulation was used to create a longitudinally staggered magnetorheological polishing tool. Surface roughness and residual stress were studied with process parameters such as abrasive content, magnetic particle content, machining gap, and spindle speed. Results show that the polishing effect is better at 4 % and 40 % abrasive and magnetic particles, respectively. The surface roughness Ra is 99 nm when the working gap is 0.6 mm, the surface roughness Ra value is the lowest when the spindle speed is 600 r min−1. The surface roughness was reduced to 61.43 nm after polishing the sample under improved processing conditions (4 % abrasive, 40 % magnetic, 0.6 mm working clearance, 600 r min−1 spindle speed). A nano-scale smooth surface can be obtained by powder bed laser melting and magnetorheological polishing of 316L stainless steel.

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Surface Alloying Characteristics of Inconel 625 Coatings Deposited on Ductile Cast Iron by Plasma Wire-Arc Welding

Lei,

Meng,

et al. 2023

J. of Materi Eng and Perform

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Effect of Laser Polishing Post-Processing Technique on the Roughness and Wear Resistance of Inconel 625 Deposited by Laser Cladding on AISI 304L Stainless Steel

Cited by 12 publications

References 23 publications

Influence of the Relative Position of Powder–Gas Jet and Laser Beam on the Surface Properties of Inconel 625 Coatings Produced by Extreme High-Speed Laser Material Deposition (EHLA)

Influence of the Relative Position of Powder–Gas Jet and Laser Beam on the Surface Properties of Inconel 625 Coatings Produced by Extreme High-Speed Laser Material Deposition (EHLA)

Surface quality improvement for 316L additive manufactured prototype based on magnetorheological polishing

Surface Alloying Characteristics of Inconel 625 Coatings Deposited on Ductile Cast Iron by Plasma Wire-Arc Welding

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