Behavior of Rp3-High Speed Steel on Short Time Nitriding in Fluidized Bed

Behavior of Rp3-High Speed Steel on Short Time Nitriding in Fluidized Bed

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For steel nitriding, treatment time is a important factor.Gas and plasma nitriding are usual method to increase surface properties by Fridge Door Bottom Hinge nitriding.A close retort is used.Total time for treatment are higher because are necessary transition time for heating and cooling.Fluidized bed offer a short time for heating and cooling because furnace having an open retort.

Work paper is based by nitriding experiments by experimental fluidized bed furnace.A gas mixture of ammonia and nitrogen was used.For samples were used HHS (Rp3).Results console mast sleeve were investigated micrographic, surface hardness test (HV5) and micro hardness (HV0,05).