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Patent Searching and Data


Title:
CUTTING TOOL HAVING HARD COATING FILM FORMED THEREON
Document Type and Number:
WIPO Patent Application WO/2018/043871
Kind Code:
A1
Abstract:
The present invention relates to a cutting tool having formed thereon a hard coating film which has an excellent adhesion to a hard metal matrix and an excellent abrasion resistance. The cutting tool according to the present invention comprises a hard coating film comprising a hard metal matrix and a monolayer or multilayer structure formed on the surface of the matrix, wherein a binder depleted layer is formed from the hard metal matrix to a predetermined depth, and some of components constituting the hard coating film are partially diffused into the binder depleted layer to thereby form a mixed tissue of a WC-hard coating film component.

Inventors:
AHN JIN-WOO (KR)
LEE DONG-YOUL (KR)
KANG JAE-HOON (KR)
KIM BEOM-SIK (KR)
CHO SEONG-WOO (KR)
AHN SEUNG-SU (KR)
Application Number:
PCT/KR2017/005609
Publication Date:
March 08, 2018
Filing Date:
May 30, 2017
Export Citation:
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Assignee:
KORLOY INC (KR)
International Classes:
C23C30/00; C23C16/02; C23C16/34; C23C16/36; C23C16/40
Foreign References:
KR20140082402A2014-07-02
KR20150083621A2015-07-20
KR20140068194A2014-06-05
JP2009018362A2009-01-29
JPH11335816A1999-12-07
Attorney, Agent or Firm:
IAM PATNET FIRM (KR)
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