THICK COATING FILM-COATED MEMBER AND THICK COATING FILM-COATED MEMBER PRODUCTION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a thick coating film-coated member in which even if a hard coating film is made thick, i.e., the thickness of the coating film T value is set to be in the range of 6 to 30 μm, compressive stress of the coating film is reduced, and the coating film provides excellent wear resistance and chipping resistance without deteriorating its adhesion to the member, and to provide a thick coating film-coated member production method.;SOLUTION: The hard coating film by physical vapor deposition is expressed by Mex(NyCzOv); wherein Me denotes two or more elements selected from the group 4a, 5a, 6a elements In the periodic table, Al, Si, B and S; x, y, z, v denote contents by atomic%; and, x+y+z+v=100, 0≤z≤10, 0≤v≤10 are satisfied. The crystal grains of a compound crystal-grown with the droplets of the hard coating film as starting points are projected to the surface of the coating film, and when the length in the longitudinal direction of the crystal grains of the compound is defined as h(μm), and the coating film thickness of the hard coating film is defined as T(μm), 6≤T≤30, and 0.1≤h/T≤1.2 are satisfied.;COPYRIGHT: (C)2008,JPO&INPIT