Titanium chemical aluminum film stability is good, has the characteristics of high hardness, good oxidation resistance, wear resistance, high alloy steel, stainless steel, machining of titanium alloy, nickel alloy, can improve the service life 3~4 times than TiN coated tool. In the high speed dry cutting conditions, PVD coating is the best TiAlN, its performance in high temperature continuous cutting, four times better than titanium nitride.

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