Coated article with nanolayered coating scheme

A coated cutting insert for use in a chipforming material removal operation, the cutting insert comprising:

• a substrate and a wear-resistant coating scheme wherein the wear-resistant coating scheme comprising:
• a mediate multi-periodicity nanolayer coating scheme containing titanium, aluminum, chromium and X;
• the mediate multi-periodicity nanolayer coating scheme comprising a plurality of sets of alternating layer arrangements wherein each one of the alternating layer arrangements comprises a base layer comprising titanium, aluminum and X and a nanolayer region comprising a plurality of sets of alternating nanolayers wherein each set of alternating nanolayers comprises one nanolayer comprising aluminum, chromium, titanium and X and another nanolayer comprising aluminum, chromium, titanium and X;
• wherein X comprising any one of the following nitrogen, carbon, boron, carbon and nitrogen, boron and nitrogen, carbon and boron and nitrogen, nitrogen and oxygen, carbon and oxygen, boron and oxygen, carbon and nitrogen and oxygen, boron and nitrogen and oxygen, and carbon and boron and nitrogen and oxygen;
• and
• the base layer having a base layer thickness and the nanolayer region having a nanolayer region thickness wherein the base layer thickness is smaller than the nanolayer region thickness.

A method of applying a coating scheme comprising the steps of:

• applying a mediate multi-periodicity nanolayer coating scheme containing titanium, aluminum, chromium and X, and the step of applying the mediate multi-periodicity nanolayer coating scheme comprising the steps of:
• applying a plurality of sets of alternating layer arrangements wherein application of each alternating layer arrangement comprising the steps of:
• applying a base layer comprising titanium, aluminum and X;
• and
• applying a nanolayer region comprising the steps of:
• applying a plurality of sets of alternating nanolayers comprising the steps of:
• applying one nanolayer comprising titanium, aluminum chromium, and X, and
• applying another nanolayer comprising aluminum, chromium, titanium and X.

A coated article comprising:

• a substrate and a wear-resistant coating scheme wherein the wear-resistant coating scheme comprising:
• a mediate multi-periodicity nanolayer coating scheme containing titanium, aluminum, chromium and nitrogen;
• and
• the mediate multi-periodicity nanolayer coating scheme comprising a plurality of sets of alternating layer arrangements wherein each one of the alternating layer arrangements comprises a base layer comprising titanium, aluminum and nitrogen and a nanolayer region comprising a plurality of sets of alternating nanolayers wherein each set of alternating nanolayers comprises one nanolayer comprising aluminum, chromium, titanium and nitrogen and another nanolayer comprising aluminum, chromium, titanium and nitrogen, and the base layer having a base layer thickness and the nanolayer region having a nanolayer region thickness wherein the base layer thickness is smaller than the nanolayer region thickness.