Results 1 to 10 of about 3,746 (220)
In vitro & in vivo investigation of the silicon nitride ceramic hip implant’s safety and effectiveness evaluation [PDF]
Journal of Orthopaedic Surgery and Research, 2022 Background With regard to the ceramic hip joint implant, given the concerns in ceramic about the alumina brittleness and zirconia instability, is there any alternative material solution for the orthopedic implant?
Xiangpeng Kong, Xiaosu Hu, Wei Chai
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Applied Sciences, 2020 Due to the high level of light absorption and light scattering of dark colored powders connected with the high refractive indices of ceramic particles, the majority of ceramics studied via stereolithography (SLA) have been light in color, including ...
Altan Alpay Altun +3 more
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Applied SciencesThe application feedback on existing silicon nitride ceramic bearings and RCF experimental research all indicate that the primary failure mode of silicon nitride ceramic bearings is material spalling on the contact surface. Spalling failure occurs due to
Pengfei Wang +5 more
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Centroid growth selective clustering method for surface defect detection in silicon nitride ceramic bearing rollers [PDF]
Scientific ReportsSurface defects on silicon nitride ceramic bearing rollers typically exhibit fuzzy edge characteristics and gradient plunge features, which present significant challenges in image segmentation, including contour anomalies, incomplete segmentation, and ...
ZhaoDong Wang +6 more
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Grinding performance of micro-texured grinding wheel on different ceramic materials
Jin'gangshi yu moliao moju gongcheng, 2022 The grinding performance of micro-textured grinding wheel with arrayed micro-hole and common grinding wheel are compared through experiments on alumina, aluminum nitride, zirconia and silicon nitride ceramic materials.
Yanling LIAO +3 more
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Results in Materials, 2021 In this study, the nanometer lignin was mixed with the silicon nitride staring powders, and the mixed powder was pyrolyzed and sintered to obtain a novel composite material.
Wei Chen +4 more
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Thermal Dynamic Exploration of Full-Ceramic Ball Bearings under the Self-Lubrication Condition
Lubricants, 2022 A silicon nitride ceramic bearing has good self-lubricating characteristics. It still has a good operational status under the condition of a lack of oil.
Junxing Tian +7 more
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Friction and wear characteristics of silicon nitride ceramics under dry friction condition
Materials Research Express, 2021 In order to reveal the friction properties and improve the wear resistance of silicon nitride ceramic materials, a calculation model of static friction coefficient of silicon nitride ceramic is established.
Jinmei Yao +7 more
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Scratch Behaviour of Bulk Silicon Nitride Ceramics [PDF]
Micromachines, 2021 Si3N4 ceramic is generally recognized as being difficult to machine due to its hardness and brittleness. It is necessary to control the normal load applied and the machined depth of the abrasive particles in order to eliminate surface/subsurface damage and defects during the grinding or polishing.
Xiao, Xiaolan +5 more
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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
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