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周 敏等:基底偏压对 TiAlN 涂层微观结构及摩擦学性能影响 575
3 结论 150.
采用电弧离子镀技术在 YG8 硬质合金表面制 [8] KUZNETSOVA T,LAPITSKAYA V,KHABARAVA A,et al.
备了 TiAlN 涂层,探究了不同偏压对 TiAlN 涂层微 Effect of metallic or non-metallic element addition on surface
观结构和摩擦学性能的影响,得出以下结论: topography and mechanical properties of CrN coatings[J].
(1)涂层为柱状生长结构,随偏压的提高,涂层 Nanomaterials,2020,10(12):2361.
柱状结构变得更为致密。偏压高于−50 V 之后,涂 [9] XIAO B,ZHANG T F,GUO Z,et al. Mechanical,oxidation,
层表现为 fcc-(Ti,Al)N 结构的(111)晶面择优取向 and cutting properties of AlCrN/AlTiSiN nano-multilayer
生长。 coatings[J]. Surface and Coatings Technology, 2022, 433:
(2)TiAlN 涂层的硬度和弹性模量随偏压升高 128094.
呈先增大后减小的趋势,−100 V 下硬度和弹性模 [10] SHUAI J T,ZUO X,WANG Z Y,et al. Comparative study
量达到最大值,分别为 32.1 GPa 和 416.0 GPa,并且 on crack resistance of TiAlN monolithic and Ti/TiAlN mul-
涂层与基体结合力均达到 HF1 级别。 tilayer coatings[J]. Ceramics International, 2020, 46(5):
(3)涂层摩擦过程中,磨粒磨损是其主要磨损 6672−6681.
机理,随着基体偏压的增大,TiAlN 涂层摩擦系 [11] 周军,樊湘芳,李涛,等. 弧电流对多弧离子镀 TiAlN 涂
数与磨损率也随之增大,在−50 V 偏压下,涂层有 层表面形貌和性能的影响 [J]. 材料保护,2018,51(6):
最低的摩擦系数为 0.67 和最低的磨损率为 4.17× 74−78.
−6
3
10 mm /(N·m)。 [12] 曹慧,郭玉利,韩晓雷. 不同负偏压下磁控溅射纳米
TiAlN 薄膜的微观结构与耐蚀性能 [J]. 材料保护,2018,
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