... electroless coating, the coefficient of friction and wear-rate were reduced by 9.5% and 25.6% compared to the AD sample. Delamination and severe plastic deformation were the major wear mechanisms for the AD sample, whereas abrasion was dominant for the coated sample. The current work proposes a combined...

... environment. The sintering process was carried out at a temperature of 1000 K. Dimensional specifications of the samples: The sintered pin samples had a diameter of 6 mm and a height of 20 mm, as shown in Fig. 1 . Additionally, disc samples, serving as the counter surface in friction and wear tests, were...

... and wear behaviors of three coatings were investigated using a self-designed piston skirt friction and wear apparatus. The chemical products generated on the worn surfaces were analyzed, and the combined effect of lubricating oil and solid lubricant coatings was confirmed. The results show that the solid...

... 03 2024 Graphical Abstract Figure magnesium silicate hydroxide high temperature friction and wear additives chemical bonding boundary lubrication lubricant additives wear mechanisms Tsinghua University 10.13039/501100004147 SKLTKF21A02 Machinery often...

... of Al 2 O 3 and SiO 2 ), and the modified nano-KH-mullite was dispersed as an additive in polyurea grease at different ratios (0.01, 0.05, 0.07, 0.1, and 0.3 wt%). The friction and wear performance of the compound polyurea greases were evaluated using a four-ball friction tester. Professional...

... for publication in the J ournal of T ribology . 21 11 2022 03 02 2023 09 02 2023 07 03 2023 nitrogen-doped graphene friction and wear high temperature lubrication mechanism mixed lubrication nano-tribology piston rings wear mechanisms National Natural Science...

... 13 10 2022 13 10 2022 11 11 2022 friction and wear friction-induced vibration synergy vibration damping mechanism National Natural Science Foundation of China 10.13039/501100001809 2021NSFC52175081 As the global energy crisis intensifies, it is becoming...

... QC reinforced Al matrix composite fabricated by the directed energy deposition (DED) in reducing wear between sliding surfaces and discusses briefly some of the factors which, in practice, explain ceramic-like properties of quasicrystal including low friction and wear resistance. The hardness...

... Sputtering ,” Appl. Phys. A , 91 ( 1 ), pp. 77 – 86 . 10.1007/s00339-007-4362-5 [10] Cai , S. , Guo , P. , Liu , J. , Zhang , D. , Ke , P. , Wang , A. , and Zhu , Y. , 2017 , “ Friction and Wear Mechanism of MoS 2 /C Composite Coatings Under Atmospheric Environment...

...Q. Z. Wang; X. Lin; X. L. Wen; N. Kang; W. D. Huang The purpose of this study is to investigate the effect of TiB 2 content on the microstructure and wear behavior of nano-TiB 2p /2024Al composites fabricated by laser direct energy deposition (L-DED). The dry sliding friction and wear behavior...

... by the Tribology Division of ASME for publication in the J ournal of T ribology . 12 01 2020 05 06 2020 06 06 2020 28 07 2020 transition metal nitride Hf-Mo-N high temperature friction and wear dry friction films hardness wear The cutting tools and mechanical parts...

... into the PTFE/EG nanocomposite, the wear rate did not decrease further. polymer-matrix composites transfer films friction and wear graphite PTFE is widely used for bearings and sliding applications owing to its low coefficient of friction, good toughness, and high thermal stability. It shows...

... with PAO and PAOs containing a Schiff base copper complex were studied. The friction and wear properties of steel and steel lubricated with PAO and PAOs containing a Schiff base copper complex were evaluated using a SST-ST pin-disc tester. The sliding friction was measured using lubricants with or without...

... [( 8 )]. To reduce friction and wear, the sliding rate, force, plastic deformation, and roughness are all variables that must be accounted for when evaluating materials [( 10 )]. Steps are being taken to decrease the wear and friction between the piston ring and cylinder which include: improved...

... 2010 cements (building materials) centrifugal casting kilns microhardness particle reinforced composites resins scanning electron microscopy Taguchi methods wear resistance cement kiln dust friction and wear functionally graded composites Functionally graded materials...

... lamellar structure (nano-EG) in PTFE/nano-EG composite, normal contact pressure, and sliding velocity on tribological properties were studied by using the MMU-5G friction and wear tester sliding against AISI-1045 steel. Meanwhile, the property of nano-EG was characterized by utilizing a field emission...

...Jinlong Li; Feng Zhou; Dapeng Feng; Yanqiu Xia; Weimin Liu A series of new aryloxycyclophosphazene derivatives substituted with imidazolium ionic liquids was synthesized. Their tribological properties were investigated on an Optimol SRV IV oscillating friction and wear tester in ambient condition...

... a model in which the electropositive nature of the hydrogen in the a-CH films weakens the extent of electron donation from the ether lone pairs and, hence, weakens the bonding of the ethers to the a-CH films. To reduce friction and wear, magnetic recording thin-film disks have a hard overcoat...