The Influence of Progressive Cladding Technologies on Layers Quality

Abstract:

Experimental work was focused on the restoration of functional surfaces of shaped parts of the molds for high-pressure casting of aluminum alloys. Paper presents results of the research aimed at determination of the quality of renovation layers applied by laser technology and TOP TIG technology. The TruDisk 4002 solid-state disk laser and the AirLiquide TOPTIG 220 welding power source were used to create the layers. Clad was applied to the base material of nickel-chromium-molybdenum vanadium steel 1.2714, DIN-56NiCrMoV7, with a hardness of 44 HRC. Uddeholm Deivar 1.2344, DIN-X40CrMoV51 wire with a 1.2 mm diameter was used as an additive material. The clad quality was evaluated using the light and electron microscopy and EDX microanalysis. The size of the heat affected zone (HAZ) and the presence of internal defects in the clads were determined. HAZ was set as max. a min. Value. Experimental work was supplemented by evaluation of tribological properties of clads by Pin-on-disc method.

• Periodical: Materials Science Forum (Volume 1082)
• Pages: 201-206
• DOI: https://doi.org/10.4028/p-5kt83m
• Online since: March 2023
• Authors: Janette Brezinová, Ján Viňáš*, Jakub Brezina, Henrich Sailer
• Keywords: Aluminum Casting, Laser, Molds, Renovation Layers, TOP TIG

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