Study on the Cutting Performance of Al₂O₃-TiC-TiN Ceramic Tool Materials

Abstract:

In this work, two kinds of Al₂O₃-TiC-TiN ceramic cutting tools (AC2U and AC2UN2) were developed by hot-pressing sintering techniques. The mechanical properties were measured and the cutting performance was investigated. The workpiece used in the cutting experiment was quenched carbon tool steel T10A, and the tool material for comparison was LT55. The wear resistance and the main wear patterns of the ceramic tools were analyzed at the high speed of 300m/min. The results indicated that the novel Al₂O₃-TiC-TiN ceramic cutting tools showed better cutting performance than LT55, and AC2UN2 was better suitable for machining quenched T10A. When the cutting condition was v=300m/min, f=0.1mm/r and a_p=0.1mm, the adhesion wear and abrasive wear of the novel ceramic tools were slighter than those of LT55, the diffusion wear resistance of AC2U was better and the oxidation resistance of AC2UN2 was better.

• Periodical: Key Engineering Materials (Volume 693)
• Pages: 1148-1154
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.693.1148
• Online since: May 2016
• Authors: Yu Huan Fei*, Chuan Zhen Huang, Han Lian Liu, Bin Zou
• Keywords: Al₂O₃-TiC-TiN Ceramic Tool, Cutting Performance, Quenched T10A, Wear Mechanism

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