Title:
被覆切削工具およびその製造方法
Document Type and Number:
Japanese Patent JP6617942
Kind Code:
B2
Abstract:
A coated cutting tool includes a hard film on a substrate of the cutting tool. The hard film contains a complex nitride including Al and Cr and having an Al content of 60 atom% or more, a Cr content of 10 atom% or more, and the total content of Al and Cr of 90 atom% or more relative to the total amount of metal and metalloid elements. The complex nitride in the hard film has the highest peak intensity corresponding to an fcc structure in X-ray diffractometry. The hard film includes aggregates of columnar grains grown on the substrate along the thickness of the film. The hard film has a ratio TC (311) of an X-ray diffraction intensity of 1.30 or more. A method and a chemical vapor deposition system for coating of such a cutting tool with the hard film including a complex nitride of Al and Cr are also provided.
Inventors:
Yuzo Fukunaga
Masayuki Imai
Masayuki Imai
Application Number:
JP2019520652A
Publication Date:
December 11, 2019
Filing Date:
November 09, 2018
Export Citation:
Assignee:
Mitsubishi Hitachi Tool Co., Ltd.
International Classes:
B23B27/14; B23C5/16; C23C16/34; C23C16/44
Foreign References:
| WO2016158717A1 | ||||
| WO2017073787A1 | ||||
| WO2018085021A1 |
Attorney, Agent or Firm:
Kageyama Shuichi
Yasushi Yamada
Kimura Koichi
Yasushi Yamada
Kimura Koichi