Laser alloying of bearing steel with boron and self-lubricating addition

• Autorzy: Kotkowiak M. , Piasecki A. , Kulka M.

Identyfikatory

DOI

10.1515/amtm-2016-0002

Warianty tytułu

PL

Laserowe stopowanie stali łożyskowej borem i dodatkiem samosmarującym

• Języki publikacji: EN

Abstrakty

EN

100CrMnSi6–4 bearing steel has been widely used for many applications, e.g. rolling bearings which work in difficult operating conditions. Therefore, this steel has to be characterized by special properties such as high wear resistance and high hardness. In this study laser-boriding was applied to improve these properties. Laser alloying was conducted as the two step process with two different types of alloying material: amorphous boron only and amorphous boron with addition of calcium fluoride CaF₂. At first, the surface was coated with paste including alloying material. Second step of the process consisted in laser re-melting. The surface of sample, coated with the paste, was irradiated by the laser beam. In this study, TRUMPF TLF 2600 Turbo CO₂ laser was used. The microstructure, microhardness and wear resistance of both laser-borided layer and laser-borided layer with the addition of calcium fluoride were investigated. The layer, alloyed with boron and CaF₂, was characterized by higher wear resistance than the layer after laser boriding only.

Słowa kluczowe

EN

laser boriding; self-lubricating addition; hardness; wear resistance

PL

borowanie laserowe; dodatek samosmarujący; twardość; odporność na zużycie

• Wydawca: Wydawnictwo Politechniki Poznańskiej
• Czasopismo: Archives of Mechanical Technology and Materials
• Rocznik: 2016
• Tom: Vol. 36
• Strony: 7--11
• Opis fizyczny: Bibliogr. 22 poz., rys., tab.

Twórcy

autor

Kotkowiak M.

• Institute of Materials Science and Engineering, Poznan University of Technology

autor

Piasecki A.

• Institute of Materials Science and Engineering, Poznan University of Technology

autor

Kulka M.

• Institute of Materials Science and Engineering, Poznan University of Technology

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.