The main constraints in high performance machining of the titanium alloys are mostly due to the friction induced thermal issues. In thermal analysis, the friction coefficient is the critical parameter for estimating the heat generation at the tool-chip interface. This paper provides a direct approach for determining the friction coefficient from slot milling of Ti6Al4V for uncoated solid carbide end-mills and AlTiN coated tools with magnetic, friction and sandblast finishing techniques. The effects of AlTiN coating and finishing techniques on friction coefficients are investigated.
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Akmal et al. (2017) studied this question.
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