Influence of austenitic interlayer on the properties of stellite padding welds after impact-hardening

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Weronika Henzler
Mateusz Sawa
Przemysław Trębicki
Mirosław Szala
Grzegorz Winiarski


Stellites (Co-Cr-W-C) are the specific group of coating materials used for surface modification of the engineering materials and for remanufacturing too. The aim of the paper was to research the influence of austenitic (308LSi) interlayer present on hardening level of stellite 1 and 6 after impact treatment. The samples have been cladded by TIG welding method with interlayer and without. Before impact hardening the samples have been visually and penetrant non-destructive tested. The samples after impact hardening have been tested by metallographic and Vickers hardness methods. The highest impact hardening effect have been revealed for coatings deposited with interlayer. The highest impact hardening effect was achieved for the padding welds produced with the interlayer, i.e. for stellite 1 (increased by 29.8%) and stellite 6 (increased by 42.7%). The hardening of the coating samples deposited without interlayer was lower and amounted to stellite 1 (increased by 13.7%) and stellite 6 (increased by 29.8%) respectively. The highest hardness values were obtained for impact-hardened cladded welds without the use of an interlayer (stellite 1; 790 HV0.1 and stellite 6; 732 HV0.1). The use of an interlayer reduces the hardness of the stellite coating while increasing the susceptibility to hardening and plastic deformation of the produced coating.


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W. Henzler, M. Sawa, P. Trębicki, M. Szala, and G. Winiarski, “Influence of austenitic interlayer on the properties of stellite padding welds after impact-hardening”, Weld. Tech. Rev., vol. 93, no. 2, pp. 13-20, May 2021.
Original Articles
Author Biographies

Weronika Henzler, Lublin University of Technology

Koło Naukowe Technologii Materiałów działające przy Katedrze Inżynierii Materiałowej, Wydział Mechaniczny, Politechnika Lubelska

Mirosław Szala, Lublin University of Technology

Mirosław SZALA, PhD Eng
Lublin University of Technology
Faculty of Mechanical Engineering
Department of Materials Engineering
Nadbystrzycka 36D, 20-618 Lublin, Poland
+48815384211; +48815384209 (secr. office)


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