Research on Wear Mechanism in High-Speed Milling GH4169 with Coated Carbide Tool

Abstract:

This paper mainly discussed the problems that the serious tool wear,the short tool life of difficult-to-machine nickel base superalloys GH4169,the experiment was processed to obtain the tool wear morphology of GH4169 with a new developed PVD-TiAlN coated carbide tool.The morphology of tool wear was observed by scanning electron microscopy (SEM),and element distribution of tool surface was analyzed by energy spectrum analyzer (EDS),And then through the above two aspects,analyses the main tool wear mechanism.The results show that the mainly wear patterns of coated tool are micro-chipping, micro-cracks and flaking in high speed milling GH4169 with TiAlN coated tool.The tool wear mechanisms are mainly abrasive wear, adhesive wear, diffusion wear and oxidation wear.

• Periodical: Advanced Materials Research (Volume 900)
• Pages: 605-611
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.900.605
• Online since: February 2014
• Authors: Wei Wei Liu, Hao Chen*, Feng Li
• Keywords: High Speed Milling, Superalloy, Wear Mechanism, Wear Morphology

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