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Laser alloying with boron and solid lubricants (CaF2 or BaF2) was used in order to produce the self–lubricating layers on 100CrMnSi6–4 bearing steel. The surface of the base material was coated with a paste consisting of alloying material blended with a diluted polyvinyl alcohol solution. Then, this surface was re-melted by the laser beam using TRUMPF TLF 2600 Turbo CO2 laser. The produced layer consisted...
Laser-alloyed layer with boron and CaF2 self-lubricating addition was produced on 100CrMnSi6-4 bearing steel. The produced layer was free of cracks or gas pores and uniform in respect of the thickness because of the high overlapping (86%). The microstructure consisted of re-melted zone and heat-affected zone. The re-melted zone included dendritic or globular iron borides with limited percentage of...
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