This work is a cumulative outcome of a series of projects funded by the Air Force Office of Scientific Research(No.FA9550-08-1-0010);the National Science Foundation(Nos.CMMI-1131128,1727571,1912199,and 2315343).
Hydrogenated diamond-like carbon(H-DLC)is typically produced as a coating or thin film through plasma-enhanced chemical vapor deposition(PE-CVD).H-DLC is relatively hard and well known to exhibit superlubricity.Is sup...
In hydrodynamic bearings traditional bearing alloys:Babbitts and bronzes are most frequently utilized.Polymer sliding layers are sometimes applied as a valuable alternative.Hard diamond-like carbon(DLC)coatings,which ...
This research is supported by TOTAL,Solaize Research Center and Federal Ministry of Economic Affairs and Energy Germany(BMWi)within project CHEOPS3(Funding number 03ET1286B).
To meet the surging needs in energy efficiency and eco-friendly lubricants,a novel superlubricious technology using a vegetable oil and ceramic materials is proposed.By coupling different hydrogen-free amorphous carbo...
This work was supported by the National Natural Science Foundation of China(Nos.52025014 and 51801226);A-class pilot of the Chinese Academy of Sciences(No.XDA22010303);K.C.Wong Education Foundation(No.GJTD-2019-13);CAS-NST Joint Research Project(No.174433KYSB20200021);CAS Interdisciplinary Innovation Team(No.292020000008).
Current tribocorrosion research of metallic materials and their surface protective coatings mainly focuses on their short-term properties,with test time of 0.5‒2.0 h and a sliding distance 50‒500 m,which may significa...
This research was supported by the Natural Science Foundation of Liaoning Province(2019-ZD-0165 and 2020-HYLH-47);the China Postdoctoral Science Foundation(2020M670729);the National Natural Science Foundation of China(51979018).
The friction and wear properties,as well as the scuffing resistance,of different piston-ring coatings mating with a chrome-plated cylinder liner were investigated.Interrupted wear tests under the lubricant starvation ...
This research was financially supported by the National Natural Science Foundation of China(Nos.51875537 and 41872183);the Pre-Research Program in National 14th Five-Year Plan(No.61409230614);the Fundamental Research Funds for the Central University(No.2652018094).
Molybdenum dialkyldithiocarbamate(MoDTC)is widely used as a friction modifier in engine lubricating oil.Under MoDTC lubrication,the friction and wear behaviors of tungsten-doped diamond-like carbon(W-DLC)films anneale...
This study was supported by National Research Foundation of Korea(NRF)grant funded by the Korean government(MSIT)(No.2020R1A2C2004714);funding from the State Key Laboratory of Solidification Processing in NWPU(No.SKLSP202002).
A one-step method was developed to create a highly biocompatible micropatterned surface on a diamond-like carbon(DLC)through irradiation with a nitrogen ion beam and thus enhance the biocompatibility of osseointegrate...
The authors acknowledge the financial support from the Slovenian Research Agency ARRS(research core funding No.P2-0231 Tribology and research project No.J2-7115 Nanoscale engineering of the contact interfaces for green lubrication technology).The authors also acknowledge F.Meunier from Oerlikon Balzers for providing the DLC coatings used in this work.
In this work,we evaluated the effect of the counter-body material(the same or dissimilar)and contact configuration(moving or stationary body),at similar contact tribological conditions,on the tribochemical and nanotop...
This work was supported by the Beijing Municipal Natural Science Foundation(3182032);the National Natural Science Foundation of China(41772389);the Pre-Research Program in National 13th Five-Year Plan(61409230603);Joint Fund of Ministry of Education for Pre-research of Equipment for Young Personnel Project(6141A02033120).
Diamond-like carbon(DLC)and graphite-like carbon(GLC)coatings have good prospects for improving the surface properties of engine parts.However,further understanding is needed on the effect of working conditions on tri...
The authors are grateful for the financial support from the National Natural Science Foundation of China(51875486 and 51991373);Sichuan Science and Technology Program(2019YFH0098).
Diamond-like carbon(DLC)film has been developed as an extremely effective lubricant to reduce energy dissipation;however,most films should undergo running-in to achieve a super-low friction state.In this study,the run...