Evaluation of tool wear mechanism of TiAlN coated tools when drilling Ti-6Al-4V
by Erween A. Rahim, Safian Sharif
International Journal of Manufacturing Technology and Management (IJMTM), Vol. 17, No. 4, 2009

Abstract: Drilling of Ti-6Al-4V with Supernitride coated carbide tool gave better performance in term of tool life compared to TiAlN coated carbide tool. The use of 25 m/min cutting speed shows improvement in tool life performance. Non-uniform flank wear, excessive chipping and micro-cracking were the dominant tool failure modes under most tested conditions. Adhesion, attrition and diffusion were the operating wear mechanism on both tools when drilling Ti-6Al-4V.

Online publication date: Sun, 22-Mar-2009

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