Multilayer Coated Cutting Tools
A technology for cutting tools and multi-layer coatings, applied in coatings, tools for lathes, metal material coating processes, etc., can solve problems affecting cutting applications, coating oxidation resistance temperature reduction, etc., to improve the combination and Effects of stress conditions, overcoming poor friction properties, excellent friction reduction and lubricating effect
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Embodiment 1
[0026] a kind of like figure 1 The shown multi-layer coating cutting tool of the present invention is made up of tool substrate 1, transition layer 7 and composite coating 8 successively from the inside to the outside, and the total thickness of the coating (i.e. the sum of transition layer 7 and composite coating 8 thicknesses, The same below) is 3.72 μm.
[0027] The composite coating 8 includes TiAlSiN layers 5 and TiAlVN layers 6 that are periodically and alternately deposited from the inside to the outside, and the innermost TiAlSiN layer 5 is disposed on the transition layer 7; TiAlSiN is composed of Ti 0.35 al 0.6 Si 0.05 N, TiAlVN is composed into Ti by atomic ratio 0.45 al 0.50 V 0.05 N, Ti 0.35 al 0.6 Si 0.05 The monolayer thickness of N layer is 8nm, Ti 0.45 al 0.50 V 0.05 The single layer thickness of the N layer is 10nm; the innermost layer Ti 0.35 al 0.6 Si 0.05 N layer and second inner layer Ti 0.45 al 0.50 V 0.05 The N layer is used as the firs...
Embodiment 2
[0053] a kind of like figure 2 The shown multi-layer coating cutting tool of the present invention is composed of a tool base 1, a transition layer 7 and a composite coating 8 in sequence from the inside to the outside, and the total thickness of the coating is 3.96 μm.
[0054] The composite coating 8 includes TiAlVN layers 6 and TiAlSiN layers 5 that are periodically and alternately deposited from the inside to the outside, and TiAlVN is composed of Ti 0.35 al 0.55 V 0.1 N, TiAlSiN is composed of Ti by atomic ratio 0.49 al 0.5 Si 0.01 N, Ti 0.35 al 0.55 V 0.1 The monolayer thickness of N layer is 8nm, Ti 0.49 al 0.5 Si 0.01 The single layer thickness of the N layer is 5nm; the innermost layer Ti 0.35 al 0.55 V 0.1 N layer and second inner layer Ti 0.49 al 0.5 Si 0.01 The N layer is used as the first cycle, and the composite coating 8 includes 300 cycles from the inside to the outside, and the thickness of the composite coating 8 is 3.9 μm.
[0055] The tran...
Embodiment 3
[0070] a kind of like figure 2 The shown multi-layer coating cutting tool of the present invention is composed of a tool base 1, a transition layer 7 and a composite coating 8 in sequence from the inside to the outside, and the total thickness of the coating is 3.08 μm.
[0071] The composite coating 8 includes TiAlVN layers 6 and TiAlSiN layers 5 that are periodically and alternately deposited from the inside to the outside, and TiAlVN is composed of Ti 0.39 al 0.6 V 0.01 N, TiAlSiN is composed of Ti by atomic ratio 0.4 al 0.5 Si 0.1 N, Ti 0.39 al 0.6 V 0.01 The thickness of N layer is 8nm, Ti 0.4 al 0.5 Si 0.1 The thickness of the N layer is 12nm; the innermost layer Ti 0.39 al 0.6 V 0.01 N layer and second inner layer Ti 0.4 al 0.5 Si 0.1 The N layer is used as the first period, so the composite coating 8 includes 150 periods from the inside to the outside, and the thickness of the composite coating 8 is 3 μm.
[0072] The transition layer 7 includes a Ti ...
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