| 摘要: |
| 利用电弧离子镀方法，对独立的Ti靶和Nb靶的弧电流进行控制，在高速钢（HSS）基体上制备了不同成分配比的（Ti，Nb）N薄膜。采用压痕试验和滑动摩擦磨损对（Ti，Nb）N薄膜的断裂行为与摩擦学性能进行了研究。试验结果显示：在较小的载荷条件下（F=300N），膜层的显微硬度起主要作用；而在较高的载荷条件下（凡=60HDN），膜层的断裂性能起主要作用。梯度薄膜在较大的载荷条件下，具有良好的滑动摩擦性能。 |
| 关键词: 电弧离子镀 显微硬度 滑动摩 压痕试验 |
| DOI： |
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| Influence of Fracture Toughness of Hard Film by Arc Ion Plating on Tribological Properties |
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CHEN Jun, GAO Yu-zhou, LIN Guo-qiang, WANG Fu-gang1,2
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1 .State Key Laboratory of Material Modification, Dalian University of Technology, Dalian 116023;2.Instittute of Material and Technology, Dalian Maritime University, Dalian 116026
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| Abstract: |
| Multi-component(Ti,Nb)N hard films have been synthesized on high-speed steel substrate using arc ion plating technique.The composition of films were adjusted by controlling the arc current of independent pure Ti and Nb cathodes.Fracture toughness of films was measured by Rocker's indentation.The tribological properties were investigated as well.The experiment results showed that the hardness of film is not the main factor of tribological properties under lower loads(F=300N);while the fracture toughness shows bigger effect under higher load(F=600N).The gradient(Ti,Nb)N film possesses better sliding friction property under higher loads. |
| Key words: arc ion plating,micro hardness,sliding friction,Rocker's indentation |
