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Barragan, German
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Topics
Publications (8/8 displayed)
- 2023Hardness and Wear Characteristics of Laser-Clad WC-17Co Coatings on AISI H13 and AISI 4140 Steel
- 2023Study of the surface roughness of a remanufactured bimetallic AISI 1045 and 316L SS part obtained by hybrid manufacturing (DED/HSM)citations
- 2022Micro-machining of additively manufactured metalscitations
- 2021Application of 316L stainless steel coating by Directed Energy Deposition processcitations
- 2021Observations on laser additive manufacturing (lam) in terms of directed energy deposition (ded) with metal powder feedstock
- 2021Ti6Al4V Thin Walls Production using Laser Directed Energy Deposition (L-DED) Processcitations
- 2021Effects of Laser Polishing on Surface Characteristics and Wettability of Directed Energy-Deposited 316L Stainless Steelcitations
- 2021Characterization and Optimization of Process Parameters for Directed Energy Deposition Powder-Fed Laser Systemcitations
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article
Hardness and Wear Characteristics of Laser-Clad WC-17Co Coatings on AISI H13 and AISI 4140 Steel
Abstract
<p>Elevating component performance through advanced surface coatings finds its epitome in the domain of laser cladding technology. This technique facilitates the precision deposition of metallic, ceramic, or cermet coatings, accentuating their superiority over conventional methods. The application spectrum for laser-clad metallic coatings is extensive, encompassing critical components. Central to the efficacy of laser cladding is the modulation of laser parameters—encompassing power, speed, and gas flow—which decisively influence both process efficiency and coating properties. The meticulous calibration of these parameters holds the key to producing components endowed with refined attributes while ensuring the sustainable continuation of the process. As such, this study embarks on an empirical investigation aimed at transcending existing process limitations. It delves into the characterization of laser-clad WC-17Co coatings on AISI H13 and AISI 4140 steels. The importance of WC-17Co coatings lies in their capacity to enhance wear resistance, extend component life, reduce maintenance costs, and improve the performance of various industrial components across diverse sectors. On the other hand, the substrates have pivotal roles. AISI H13 is lauded for its exceptional hot work capabilities, while AISI 4140 steel is renowned for its robust strength and endurance. Through rigorous evaluation, the resultant deposited coatings offer crucial insights into the efficacy of manufacturing parameters. Employing a comprehensive suite of analytical techniques including laser confocal microscopy, Vickers microhardness assessment, and micro-adhesive wear testing, the study thoroughly characterizes the samples. The outcomes underscore the achievement of homogenous coatings marked by elevated hardness and exceptional wear resistance, thereby signifying a substantial enhancement over the substrate materials.</p>