The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 27, 2023
Filed:
Oct. 26, 2020
Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, Ningbo, CN;
Jibin Pu, Ningbo, CN;
Liping Wang, Ningbo, CN;
Haixin Wang, Ningbo, CN;
Chun Zeng, Ningbo, CN;
Qunji Xue, Ningbo, CN;
Abstract
The tantalum-doped molybdenum disulfide/tungsten disulfide (MoS/WS) multi-layer film includes a titanium transition layer, a titanium/tantalum/molybdenum disulfide/tungsten disulfide (Ti/Ta/MoS/WS) multi-layer gradient transition layer, and a tantalum-doped MoS/WSmulti-layer layer which are successively laminated in a thickness direction. The preparation method includes: successively depositing the titanium transition layer, the Ti/Ta/MoS/WSmulti-layer gradient transition layer, and the tantalum-doped MoS/WSmulti-layer layer on the surface of a matrix by adopting a magnetron sputtering technology to obtain the tantalum-doped MoS/WSmulti-layer film. The tantalum-doped MoS/WSmulti-layer film has good matrix binding strength, hardness and elasticity modulus, good friction and abrasion performance, good temperature self-adopting performance, heat and humidity resistance, and high temperature oxidization resistance under an atmospheric environment at different temperatures, and can meet the requirements of stable lubrication and long-life service of aerospace vehicles.