Original document(11 pages) Authorized document(11 pages) 中文版
    A preparation methodof antiabrasion composite coating layer containing diamond-Co-B compound for making hard alloy tool is characterized by forming a transition layer using Co-B compound as main component on hard alloy and using diamond coating layer as composite coating layer of said antiabrasion coating layer, and the preparation method of correspondent composite coating layer features that using hard alloy as matrix, using solid, gas or liquid boronization method to prepare the above-mentioned transition layer with CoB compound as main component, and using Chemical gas-phase doposition technology to prepare diamond antiabrasion coating layer. Said composite coating layer possesses excellent adhesive force to hard alloy matrix.
Application Number
99107912 Application Date
Title 名称 Diamond-cobalt boron compound wear-resistant composite coating of carbide tool and preparation process thereof
Publication Number
1275637 Publication Date
Approval Pub. Date Granted Pub. Date 2004.03.17
International Classification 分类号 C23C8/68,C23C16/02,C23C16/26
Applicant(s) Name
Beijing Univ. of Science and Tech.
Address 地址 100083
Inventor(s) Name 发明人 Wang Sigen, Tang Weizhong
Attorney & Agent 代理人 liu rue

Electroplating method and the used liquid front body
Large area diamond film material growth technology of nanometer diamond powder pretreatment
Vacuum chamber for plain substrate
Productive technology for piston ring gas nitriding
High strength screw bolt steel with good delay resistant breaking performance
Four-grade mooring chain steel
High-strength low-expansion alloy steel
Method for treating high zinc infusible fine copper ore
Aluminium alloy covering slag-cleaning agent
Process for extracting cerium by oxydol oxidation method
Note:All patent data come from State Intellectual Property Office of the People's Republic of China. If there were discrepancies between here and the State Intellectual Property office, the later is more accurate. The patent data is only for public exchange and learning purposes. We are not responsible for the adverse consequences with unverified use of the data.