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Title:
COATED TOOL, AND CUTTING TOOL COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2021/020368
Kind Code:
A1
Abstract:
This coated tool comprises a base and a coating layer positioned on the surface of the base. The coating layer has a TiCN layer, an intermediate layer containing Ti, and an Al2O3 layer, in order from the base side. The Al2O3 layer is positioned contacting the intermediate layer at a position farther from the base than is the intermediate layer. The intermediate layer has a plurality of first protrusions protruding toward the Al2O3 layer. The average area of the plurality of first protrusions is 1700nm2 or less. This cutting tool comprises: a holder that extends from a first end to a second end, the holder having a pocket on the first-end side; and the above-mentioned coated tool positioned in the pocket.

Inventors:
SUGAWA YUUSAKU (JP)
ITO HIROTOSHI (JP)
KUMAI KENJI (JP)
SUGIYAMA TAKANORI (JP)
KATSUMA TADASHI (JP)
Application Number:
PCT/JP2020/028796
Publication Date:
February 04, 2021
Filing Date:
July 28, 2020
Export Citation:
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Assignee:
KYOCERA CORP (JP)
International Classes:
B23B27/14; C23C16/36; C23C16/40
Domestic Patent References:
WO2017090765A12017-06-01
WO2019146785A12019-08-01
Foreign References:
JP2012071396A2012-04-12
JP2009166216A2009-07-30
JP2010173025A2010-08-12
KR20100135641A2010-12-27
US20130149527A12013-06-13
JP2010253594A2010-11-11
JP2004074324A2004-03-11
US5958569A1999-09-28
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