| 摘要 |
There are disclosed a coated cemented carbide excellent in peel strength which comprises a cemented carbide substrate comprising a hard phase containing tungsten carbide and a binder phase, and a hard film being provided on a surface of the substrate with a single layer or two or more laminated layers, wherein (1) at least part of the surface of the substrate is subjected to machining, and (2) (i) substantially no crack is present in particles of the hard phase existing at an interface of the surface of the substrate subjected to machining and the hard film and/or (2) (ii) peak intensities of crystal surfaces satisfy <DF>hs(001)WC/hs(101)WC >/= 1.1 x hi(001)WC/hi(101)WC </DF> wherein hs(001)WC and hs(101)WC each represent a peak intensity of (001) crystal face and that of (101) crystal face at the surface of the substrate subjected to machining processing, respectively, and hi(001)WC and hi(101)WC each represent a peak intensity of (001) crystal face and that of (101) crystal face in the substrate, respectively. and a process for preparing the same. |
