Potassium fluoride,anhydrous
           Potassium fluoride,extra pure
           Potassium fluoride,Granular
           Silicon Dioxide
           Hydrofluoric acid
           Synthetic Cryolite
           Potassium Fluoaluminate
           Ammonium bifluoride
           Potassium Bifluoride
           Aluminium fluoride
           Sodium fluoride
           Potassium Fluorosilicate
           Fluorosilicic Acid
           Sodium silicofluoride
           Potassium Hydroxide Flakes
           Magnesium Fluoride
           Magnesium fluorosilicate
           Barium Fluoride
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In the case of potassium fluoride-urea electrolyte system, liquid-phase plasma electrolytic carbonitriding technology was used to prepare high-hardness, wear-resistant and corrosion-resistant permeable layer on the surface of tool steel, and metallographic microscope, X-ray Diffraction and scanning electron microscopy were used to observe and analyze the infiltration layer. The results show that the infiltration of C and N elements is mainly in the form of Fe2 (C, N) phase, and the content of C and N in the infiltration layer is separated from the surface Increase attenuation.