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Influence of the nanolayer structure of coatings on the cutting properties of tools

机译：涂层厚度结构对工具切割性能的影响

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The paper is focused on the influence of the thickness of nanolayers in the Ti-TiN-(Ti,Cr,Al)N coating on the cutting properties of the tools during the turning of 09G2S silicon-manganese steel. Coatings with the nanolayer thicknesses of 302, 70, and 16 nm were considered. The conducted studies have revealed that a tool with a coating in which the nanolayer thickness is equal to 16 nm demonstrates the longest tool life. At the same time, for such tool, the wear pattern is more balanced, and signs of brittle fracture on the coating are less pronounced. The Ti-TiN- (Ti,Cr,Al)N coating with the nanolayer thickness of 16 nm provides an increase in the tool life by 3.5 times compared to an uncoated tool and by 1.3–1.5 times compared to the tools with the Ti-TiN-(Ti,Cr,Al)N coating with thicker nanolayers.
机译：本文的重点是纳米层厚度在Ti-tiN-（Ti，Cr，Al）N涂层中的影响，在09G2S硅锰钢的转弯期间工具的切割性能。考虑纳米层厚度为302,70和16nm的涂层。所进行的研究表明，具有涂层的工具，其中纳米层厚度等于16nm，证明了最长的工具寿命。同时，对于这种工具，磨损图案更加平衡，并且涂层上的脆性骨折的迹象不太明显。具有纳米组厚度为16nm的Ti-tiN-（Ti，Cr，Al）n涂层可与未涂层工具相比的刀具寿命的增加3.5次，与具有Ti的工具相比的1.3-1.5次锡（Ti，Cr，Al）n涂层厚度纳米组。

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