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Summary:PURPOSE: A cutting tool with high abrasion resistance and slip property is provided to maintain the initial performance in spite of an abrasion caused by repetitive cutting. CONSTITUTION: A cutting tool comprises a base material(11). The base material has a surface roughness of 500~2000Å and coated with metal layers. The metal layers include first and second metal layers(12,13) which are laminated alternately and have different mechanical properties. The thicknesses of the first and second metal layers are more than 1/20 and less than 1/3 of the surface roughness of the base material.
Bibliography:Application Number: KR20100022773