FIELD: metallurgy.
SUBSTANCE: outer layer includes Ti1-xAlxN, Ti1-xAlxC and/or Ti1-xAlxCN, where 0.65≤x≤0.9, preferably 0.7≤x≤0.9. Said layer features compressive stress of 100 to 1100 MPa, preferably 400 to 800 MPa. Layer of TiCN or Al2O3 is located under said outer layer.
EFFECT: higher heat resistance and strength at cyclic loads.
7 cl
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