Peer-reviewed articles 17,970 +


Ionelia Voiculescu; Victor Geanta; Petrica Vizureanu; Stefanescu Elena Violeta; Adrian Emanuel Onici
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Among the newest and best performing metallic materials are high-entropy alloys, which is why more than five thousand articles related to them have been published in the last decade. However, there are few articles that refer to the brazing behavior of new types of metallic materials. In this publication, the brazed joint between two biocompatible alloy components from the MoNbTaTiZrW0.2 system were performed using an ecological Cu-Ag-Zn alloy as filler material. The optical and SEM microscopy analyzes were performed for highlighting the microstructure of a cross-section of the brazed joint. The mutual dilution effects between the high-entropy alloys and the filler metal were quantified by EDS analyses, as well as the penetration mode of the filler metal through the gap between the parts. The soldering process between two HEA plates was performed without protection, in the atmosphere, using an oxy-gas flame with a neutral character. The analyzed joint between the high-entropy alloys had a good brazing behavior, achieving adequate wetting and adhesion of the Cu-Ag-Zn type brazing alloy on the surfaces of the joined parts. It was found that the chosen brazing alloy is very compatible with the base material, no unwanted intermetallic compounds were formed, the penetration into the capillary interstices between the samples was done correctly, without interruptions or cracks.
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This work was supported by the Romanian National Authority for Scientific Research,CNDI–UEFISCDI, through project HEACOAT number PN-III-P4-PCE-2021-1158,Contract PCE 104/2022 and to SC Sudotim As SRL for filler metals providing.
Proceedings of 23rd International Multidisciplinary Scientific GeoConference SGEM 2023
23rd International Multidisciplinary Scientific GeoConference SGEM 2023, 28-30 November, 2023
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference-SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Russian Acad Arts; Turkish Acad Sci.
28-30 November, 2023
brazing, ecologically rod, high entropy alloy

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