Title:
ALCR OXIDATION-RESISTANT AND WEAR-RESISTANT COATING, AND COATED OBJECT COATED BY SAME AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2023/199618
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a heat-resistant and wear-resistant coating, and a coated object coated with the coating as a tool such as a cutting tool or a die tool, etc. This coating is an AlCr oxidation-resistant and wear-resistant coating 10, characterized in that: the coating covers and protects at least a part or all of the surface of a substrate 2 and is constituted from aluminum and chromium oxynitride; in the composition formula AlaCrbMcOdNe of the coating, composition ratios a, b, c, d, and e are atomic ratios, the relationships 0.2 ≤ a ≤ 0.45, 0.025 ≤ b ≤ 0.2, 0 ≤ c ≤ 0.2, 0.15 ≤ d ≤ 0.5, 0.1 ≤ e ≤ 0.4, and a + b + c + d + e = 1 are satisfied, and M is one or more types of added elements from among Si, Hf, and B and the added element M may be added or not added; the coating is constituted from an oxynitride super multilayer coating 11 obtained by periodically or substantially periodically stacking at least two types of oxynitride unit layers 11a-11c having different combinations of the composition ratios a, b, c, d, and e; and the coating has oxidation resistance and wear resistance.
Inventors:
FUJITA YUKI (JP)
Application Number:
PCT/JP2023/006606
Publication Date:
October 19, 2023
Filing Date:
February 23, 2023
Export Citation:
Assignee:
ONWARD GIKEN CO LTD (JP)
International Classes:
B23B51/00; B23B27/14; B23C5/16; B23P15/28; C23C14/06; C23C14/32
Foreign References:
| CN107287555A | 2017-10-24 | |||
| JP2012149332A | 2012-08-09 | |||
| JP2011224768A | 2011-11-10 | |||
| JP2021510179A | 2021-04-15 | |||
| JP2004344990A | 2004-12-09 | |||
| JP2004344991A | 2004-12-09 | |||
| JP2016519212A | 2016-06-30 | |||
| JP2020528831A | 2020-10-01 | |||
| KR20190081387A | 2019-07-09 |
Attorney, Agent or Firm:
MIKI Hisami et al. (JP)
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