Results 1 to 10 of about 6,058 (212)

Progress in tribological research of SiC ceramics in unlubricated sliding-A review

open access: yesMaterials & Design, 2020
Silicon carbide ceramics have many excellent properties, such as high melting point, high strength, high thermal conductivity, high hardness, high stiffness, good chemical resistance, good electrical conductivity and remarkable wear resistance. Therefore,
Wei Zhang, Seiji Yamashita, Hideki Kita
doaj   +3 more sources

Experimental study of tribological characteristics of promising self-lubricating materials for high-speed friction units [PDF]

open access: yesОмский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2023
The paper considers a technique and a stand for experimental study of the tribological characteristics of materials for high-speed «dry» friction units that implement the «finger-disk» friction scheme.
N. A. Raikovskiy, A. M. Kalashnikov
doaj   +1 more source

Tribological Properties of Two Typical Materials of Hydraulic Motor’s Rotor at Different Ambient Temperatures

open access: yesApplied Sciences, 2022
Cold starting is the biggest challenge for mechanical equipment in polar environments. Selecting suitable friction pair materials and exploring the wear mechanism are keys to improving the reliability in a low-temperature environment. This study analyzed
Gao Wan   +4 more
doaj   +1 more source

Renovation of Crystallizer Surface Using Electrodeposited Alloy Coating to Increase High-Temperature Abrasion Resistance

open access: yesMetals, 2021
This paper deals with the evaluation of mechanical and tribological properties of Ni-Co galvanic coatings at elevated temperatures. The coatings were deposited on the copper surface, which in practice is the material of the crystallizer.
Janette Brezinová   +4 more
doaj   +1 more source

Investigation of Emission Characteristics and Lubrication Oil Properties in a Dual Diesel–Hydrogen Internal Combustion Engine

open access: yesLubricants, 2022
Hydrogen is considered one of the main gaseous fuels due to its ability to improve thermal performance in diesel engines. However, its influence on the characteristics of lubricating oil is generally ignored.
Carlos Pardo-García   +2 more
doaj   +1 more source

Tribological Properties of Polymer Friction Improvers Combined with MoDTC/ZDDP at Different Temperatures

open access: yesLubricants, 2023
To expand the applications of polymer friction modifiers in low viscosity oils suitable for hybrid power systems, the tribological properties of five kinds of oil samples at different temperatures were studied, which were compounded with polymer friction
Ye Hong, Yimin Mo, Juncheng Lv, Jun Wang
doaj   +1 more source

Progress on Tribological Characteristics and Surface Texturing of Plunger Pairs in Axial Piston Pump

open access: yesTaiyuan Ligong Daxue xuebao, 2023
Purposes It was expected to provide a reference for improving the performance, lifetime and service safety of piston pump. Methods This work reviewed the oil film charateristics of plunger pairs from the view of theoretical calculation and simulation ...
Naiming LIN   +7 more
doaj   +1 more source

Relationship between the real contact behavior and tribological characteristics of cotton fabric

open access: yesFriction, 2020
The tribological characteristics of cotton fibers play an important role in engineering and materials science, and real contact behavior is a significant aspect in the friction behavior of cotton fibers. In this study, the tribological characteristics of
Rongxin Chen   +5 more
doaj   +1 more source

Effect of Additivized Biodiesel Blends on Diesel Engine Performance, Emission, Tribological Characteristics, and Lubricant Tribology

open access: yesEnergies, 2020
This research work focuses on investigating the lubricity and analyzing the engine characteristics of diesel–biodiesel blends with fuel additives (titanium dioxide (TiO2) and dimethyl carbonate (DMC)) and their effect on the tribological properties of a ...
M. A. Mujtaba   +10 more
doaj   +1 more source

The development of polyurea greases based on paraffin-naphthenic lubricating oil VHVI-4 [PDF]

open access: yesE3S Web of Conferences, 2021
The purpose of this work was to improve the tribological characteristics and low-temperature properties of polyurea greases, as well as to expand the operating temperatures of their use.
Daudi D.I.   +4 more
doaj   +1 more source

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