Effect of Plasma Nitriding Pretreatment on the Mechanical Properties of AlCrSiN-Coated Tool Steels
作者： Yin-Yu Chang , Siddhant Amrutwar
DOI: 10.3390/MA12050795
关键词: Metallurgy 、 Physical vapor deposition 、 Surface modification 、 Tribology 、 Tool steel 、 Molding (process) 、 Forging 、 Materials science 、 Deposition (phase transition) 、 Nitriding
摘要: Surface modification of steel has been reported to improve hardness and other mechanical properties, such as increase in resistance, for reducing plastic deformation, fatigue, wear. Duplex surface treatment, a combination plasma nitriding physical vapor deposition, achieves superior properties resistance In this study, the process was conducted prior deposition hard coatings on SKH9 substrate. This done by proper mixture nitrogen/hydrogen gas at suitable duty cycle, pressure, voltage with temperature. Later on, gradient AlCrSiN synthesized cathodic-arc performed. During AlCrSiN, CrN, AlCrN/CrN, AlCrSiN/AlCrN were deposited interlayers adhesion between nitrided steels. A repetitive impact test (200k⁻400k times) performed room temperature high (~500 °C) assess resistance. The results showed that tribological increased because progressive support. is capable increasing life molding dies metal forging mass production.
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