Financial on March 27, 2024 message, according to announcement of bureau of national intellectual property, inc. of science and technology of material of Hunan Tai Jiaxin applies for the name is " high speed mill ages treatment is used roll milling cutter and its preparation method and application " , make public date CN117758207A, application date is in December 2023.
Patent summary shows, this application made public mill of a kind of high speed to age treatment is used roll milling cutter and its preparation method and application, high speed mill ages treatment is used roll milling cutter to include matrix and the compound coat that set park matrix surface, compound coating includes from matrix by inside the basic level of ordinal setting outside coming and functional layer, basic level includes AlTiCrN layer, functional layer includes the TiBN layer of alternant setting and TiB.
The article is come from financial