Study on the Influence of Microstructure on the Rolling Contact Fatigue Performance of Silicon Nitride Ceramics Balls
Feng Sun, Dechang Jia, Bin Li, Tingxia Dong, Changsheng Shen, Yelei Zhang, Zaiyi Wang, Weiru Zhang · 2026
Read Study on the Influence of Microstructure on the Rolling Contact Fatigue Performance of Silicon Nitride Ceramics Balls by Feng Sun, Dechang Jia, Bin Li, Tingxia Dong, Changsheng Shen, Yelei Zhang, Zaiyi Wang, Weiru Zhang (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-13164854.txt.
Description
Ceramic bearing balls fail by fatigue where they roll against their races, and eight authors asked how the ceramic's inner grain structure sets that lifetime. They baked silicon nitride balls with three levels of a sintering aid mix, which changed how much liquid formed during firing and so how the grains grew.
Too little aid left pores, and balls failed by chipping flakes off the surface, with scattered lifetimes. At the sweet spot, long needle-like grains grew to an ideal slenderness, toughening the material and stretching the characteristic life past ten million cycles. Too much aid crowded the grains, left soft boundary material, and switched failure to plain wear. The authors conclude that the liquid phase during firing is the dial that balances density, grain shape, and fatigue life.
Catalog record
| CREATOR | Feng Sun, Dechang Jia, Bin Li, Tingxia Dong, Changsheng Shen, Yelei Zhang, Zaiyi Wang, Weiru Zhang |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 33 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |