Results 81 to 90 of about 385,083 (311)
SensorsThe rotational speed vectors of the bearing balls affect their service life and running performance. Observing the actual rotational speed of the ball is a prerequisite for revealing its true motion law and conducting sliding behavior simulation analysis.
Wenbo Lu +5 more
doaj +1 more source
Development of new materials for turbopump bearings [PDF]
The life requirement for the angular contact ball bearings in the Space Shuttle Main Engine (SSME) high pressure oxygen turbopump (HPOTP) is 7.5 hours. In actual operation, significantly shorter service life was experienced.
Maurer, R. E., Pallini, R. A.
core +1 more source
Advanced Materials Interfaces, EarlyView.Although electrochemical scanning tunneling microscopy provides atomic‐scale access to electrified interfaces, quantitative in situ and operando investigations suffer from drift‐induced distortions. This work introduces the Lattice Fourier Analyzer (LFA), which employs substrate‐anchored affine drift correction in reciprocal space to recover precise ...
Rafał Lewandków +4 more
wiley +1 more source
Design concept to decrease relative speed of ball bearings [PDF]
, 1967 Intermediate ring decreases the rolling speed of a ball bearing relative to the rotational speed of the shaft. It has raceways on its inner and outer peripheries and an additional row of balls.
Jesman, S.
core +1 more source
Friction in metal-on-metal total disc arthroplasty: effect of ball radius [PDF]
, 2012 Total Disc Arthroplasty (TDA) can be used to replace a degenerated intervertebral disc in the spine. There are different designs of prosthetic discs, but one of the most common is a ball-and-socket combination.
Hukins, DWL +3 more
core +1 more source
Influence of Carbon Nanoparticles on Electrically Induced Wear of Grease‐Lubricated Steels
Advanced Materials Interfaces, EarlyView.When an electric current enters a pair of rubbing surfaces, enormous damage takes place. In this research, how such damage occurs in the presence of protective grease and the mitigation with added carbon nanoparticles, were investigated. It was discovered that those particles regulate transport and interfacial electrical stability of the grease ...
Mohammad Humaun Kabir +6 more
wiley +1 more source
Low-temperature radiation-resistant material for ball-bearing retainers [PDF]
, 1970 Radiation resistant material, made of polyimide polymers and S-glass cloth, is used in ball bearing retainers for extreme environments. Material displays satisfactory wear resistance, lubricity, and stability.
Desau, P. O., Emmons, W. F.
core +1 more source
Fabrication, Properties, and Applications of Scaffolds for Bone Tissue Regeneration
Advanced Materials Technologies, EarlyView.This review explores cutting‐edge biomaterials and fabrication techniques for scaffolds in bone tissue regeneration. It conducts a critical comparison of various strategies, meticulously analyzes the key contradictions in the field, and outlines an integrated development path spanning from biomaterial selection to clinical application, while ...
Shangsi Chen, Min Wang
wiley +1 more source
Reliability-Based Robust Design Optimization with Fourth-Moment Method for Ball Bearing Wear
LubricantsBall bearings operating at low speeds and under heavy loads are susceptible to wear failure, leading to significant economic losses. The existing reliability-based robust design optimization method of the fourth-moment method has high accuracy and does ...
Yanzhong Wang +4 more
doaj +1 more source
Characterization of abnormal lubricant film pressure distribution mechanisms in pure sliding AISI52100 ball bearing contacts using sliding contact fatigue distribution and wear behaviour [PDF]
MATEC Web of ConferencesBall bearings are a critical component of transmission systems whose operation depends on efficient lubrication. Moving surfaces in ball bearings are typically manufactured from AISI52100 martensitic steel material.
Masilela Sipho +2 more
doaj +1 more source