Manufacturing Technology 2025, 25(4):540-548 | DOI: 10.21062/mft.2025.047

Optimizing Process Parameters during the Creation of Powder Laser Weld Cladding Coatings from a Nickel Alloy

Martin ©vec ORCID...1, Libor Dvořák2
1 Faculty of Mechanical Engineering, Technical University in Liberec, Studentská 1402/2, 46001 Liberec, Czech Republic
2 VÚTS, a.s., Svárovská 619, 46001 Liberec, Czech Republic

Nowadays, increasing emphasis is placed on the production of parts using additive technologies, particularly for alloys that are difficult to process. In addition to standard additive technologies, such as Selective Laser Melting (SLM), other additive technologies are increasingly being used, including Directed Energy Deposition (DED). DED offers several advantages and is utilized both for producing entire components and for repairing damaged parts through weld cladding. In this study, the possibility of weld cladding of nickel-based hard alloys using DED was tested using a laser as the energy source to melt the additive material. The tests performed showed that selected nickel alloys, suitable for mould repair, are difficult to weld. Therefore, the experiments sought optimal process parameters and defined the accompanying technological operations in order to produce a crack-free weld cladding.

Keywords: Direct Energy Deposition (DED), Laser welding, Nickel-based alloys
Grants and funding:

This work was supported by the Institutional Endowment for the Long-Term Conceptual Development of Research Institutes, as provided by the Ministry of Education, Youth and Sports of the Czech Republic funding and by the Czech Ministry of Industry and Trade in the framework of the institutional support for long-term conceptual development of research organization - recipient VÚTS, a. s.

Received: February 5, 2025; Revised: September 10, 2025; Accepted: September 12, 2025; Prepublished online: October 23, 2025; Published: November 11, 2025  Show citation

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©vec M, Dvořák L. Optimizing Process Parameters during the Creation of Powder Laser Weld Cladding Coatings from a Nickel Alloy. Manufacturing Technology. 2025;25(4):540-548. doi: 10.21062/mft.2025.047.
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