Tribological behavior of aluminum alloys implanted with nitrogen, titanium then acetylene
作者： Xia Lifang , Yan Zhaohui , Liao Jiaxuan , Zhang Zhenxin
DOI: 10.1080/10402000308982636
关键词:
摘要: The composition depth profiles, structure and ball-on-disk frictional characteristics of aluminum alloys 2024 plasma-based ion implanted with nitrogen, titanium nitrogen then acetylene were investigated. layers finally included three zones: a top DLC (diamond-like caron) zone, C, Ti N coexisting intermediate zone which undergoes chemical changes forming TiC, Ti(C,N), TiN,Ti,Al)N AlN second phases, the bottom substrate. micro-hardness nano-hardness these are HK7.8 GPa 22 GPa, respectively. showed loser friction coefficient higher wear resistance. Raman spectra for worn tracks after sliding different numbers cycles that when loading was JN 10,000 cycles, slight graphitization phenomenon film is found. If 20 N. more obvious 2000 cycles. SEM morphologies load 1N, 7200 from rubbing abrasive wear. When N, delamination dominam.
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