SURFACE COATING CUTTING TOOL WITH COATING FILM HAVING INTENSITY DISTRIBUTION OF COMPRESSION STRESS

WIPO Patent Application WO/2006/009121

A1

A surface coating cutting tool (1) has a base material (2) and a coating film (3) formed on the base material (2). The coating film (3) is the outermost layer on the base material (2) and has compression stress. The compression stress varies to have intensity distribution in the thickness direction of the coating film (3). The intensity distribution is such that compression stress in the surface of the coating film continuously increases from the surface of the coating film to a first intermediate point positioned between the surface of the coating film and the bottom surface of the coating film, and has the maximum point at the intermediate point.

MORIGUCHI HIDEKI (JP)
FUKUI HARUYO (JP)
IMAMURA SHINYA (JP)
YAMAGUCHI KOJI (JP)
IIHARA JUNJI (JP)

PCT/JP2005/013182

January 26, 2006

July 15, 2005

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SUMITOMO ELEC HARDMETAL CORP (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
MORIGUCHI HIDEKI (JP)
FUKUI HARUYO (JP)
IMAMURA SHINYA (JP)
YAMAGUCHI KOJI (JP)
IIHARA JUNJI (JP)

B23B27/14; B23B51/00; B23C5/16; C23C14/24; (IPC1-7): B23B27/14; B23B51/00; B23C5/16; C23C14/24

JP2003113463A	2003-04-18
JP2001353603A	2001-12-25
JP2001315006A	2001-11-13

WROBLESKI ET AL.: "A new diffractometer for materials science and imaQino at HASYLAB beamline G3", NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH, 1999, pages 570 - 582
See also references of EP 1772216A4

Fukami, Hisao (Mitsui Sumitomo Bank Minamimorimachi Bldg. 1-29, Minamimorimachi 2-chome, Kita-k, Osaka-shi Osaka, JP)

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