Polishing of Silicon Nitride Ceramic Balls by Clustered Magnetorheological Finish [PDF]
Micromachines, 2020 In this study, a novel finishing method, entitled clustered magnetorheological finish (CMRF), was proposed to improve surface finish of the silicon nitride ( Si 3 N 4 ) balls with ultra fine precision.
Xiao-lan Xiao +5 more
doaj +8 more sources
Wear Model of Silicon Nitride Ceramic Balls in Three-Body Coupling Grinding Mode
Applied Sciences, 2023 Silicon nitride ceramic balls are the key basic components of bearings in major equipment. Their key performance indices are accuracy and batch consistency.
Wei Yu, Binghai Lv, Julong Yuan
doaj +5 more sources
The Effect of Particle Size of Silicon Nitride Powder on Properties of Silicon Nitride Ceramic Balls [PDF]
IOP Conference Series: Materials Science and Engineering, 2019 AbstractThe micron-sized silicon nitride raw powder was ball-milled into submicron powders of different particle sizes, the silicon nitride ceramic balls were prepared by gas pressure sintering with cerium oxide and aluminium oxide as sintering aids. The microstructures and phase composition of the ceramic balls were characterized by SEM and XRD.
Honghao Li +3 more
exaly +3 more sources
Experimental Study on ELID Grinding of Silicon Nitride Ceramics for G5 Class Bearing Balls
Applied Sciences, 2023 This study has focused on analyzing the impact of material characteristics and grinding conditions on the surface roughness in ELID grinding of ceramic materials intended for bearing balls.
Seung-Min Lee +3 more
doaj +3 more sources
Study on the Influence of Microstructure on the Rolling Contact Fatigue Performance of Silicon Nitride Ceramics Balls. [PDF]
Materials (Basel)This study prepares three types of Si3N4 ceramic bearing balls with distinct microstructures by regulating the content of Al2O3-Y2O3 sintering aids, and systematically investigates the influence mechanisms of microstructure, grain boundary phase distribution and grain aspect ratio on the rolling contact fatigue (RCF) failure behavior.
Sun F +7 more
europepmc +3 more sources
Study on the influence of grinding disc motion on the forming of silicon nitride ceramic balls
Jin'gangshi yu moliao moju gongcheng, 2023 In order to improve the processing accuracy of silicon nitride ceramic balls and to investigate the mechanism of forming ceramic balls by flexible support grinding method, a new cone-type flexible support grinding method with controlled deflection motion
Ziqiang GE +5 more
doaj +4 more sources
Fatigue Failure of Silicon Nitride Ceramic Balls
Advanced Materials Research, 2010 Silicon nitride ceramic ball surface is examined after failure with scanning electron microscopy. The profile of the fatigue spalling takes the shape of an ellipse. The failure cause, fatigue phenomenon and mechanics are analyzed. The research shows that subsurface cracks play a dominant role in the formation of spalling failure.
Jing Ling Zhou +3 more
openaire +2 more sources
Analysis of damage to ceramic balls in hybrid rolling friction pairs
Проблеми трибологіїMost bearings are currently made primarily from steel, but they fail relatively quickly under high loads, temperatures, as well as abrasive, corrosive, chemical and other types of wear. Replacing steel balls with ceramic balls, i.e.
R.E. Kostunik +3 more
doaj +2 more sources
Research on the Roundness Approximation Search Algorithm of Si3N4 Ceramic Balls Based on Least Square and EMD Methods. [PDF]
Materials (Basel), 2023 This paper aims to obtain the best shape accuracy evaluation algorithm for silicon nitride ceramic balls after lapping, and to extract the initial signal of the ball surface to improve the accuracy and reliability of the algorithm.
Sun J, Chen W, Yao J, Tian Z, Gao L.
europepmc +2 more sources
Study on the Inherent Correlations of the Material Properties for Silicon Nitride Ceramic Balls
Advanced Materials Research, 2016 Silicon nitride ceramic balls are successfully applied in advanced bearings. In order to improve the performance and precision for ball bearings, the research about the material properties of Si3N4 ball is shown in this paper.
Wei Hang, Ju Long Yuan, Yuan Ju Long
exaly +4 more sources