Concurrent strength and conductivity enhancement in a dilute Al–Ce alloy: grain refinement, Fe/Si redistribution, and localized interface bonding
Ruanlin Li, Wencong Dong, Linhui Zhang, Chunhui Li, Guolin Zhang, Binnian Zhong, Haihua Chen, Jing Song · 2026
Read Concurrent strength and conductivity enhancement in a dilute Al–Ce alloy: grain refinement, Fe/Si redistribution, and localized interface bonding by Ruanlin Li, Wencong Dong, Linhui Zhang, Chunhui Li, Guolin Zhang, Binnian Zhong, Haihua Chen, Jing Song (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-13576624.txt.
Description
Ruanlin Li and co-authors trace why a pinch of cerium improves aluminum in a 2026 study. Adding rare-earth cerium to plain aluminum raises both strength and electrical conductivity, a rare pairing, since most strengtheners hurt conductivity. The team added a tiny share of cerium to a standard pure aluminum and asked which inner changes drive the double gain.
Conductivity, strength, and stretch all rose, while grains shrank by more than a third. Microscopy showed iron and silicon, the usual impurities, pulled out of the main metal into small round particles that also held cerium. With fewer stray atoms in the matrix, electrons met less resistance. Inside those particles, a cerium-rich layered phase bonded to the aluminum in a set alignment. Atom-level math showed that bond is stable. The authors link the gains to this cleaning and bonding.
Catalog record
| CREATOR | Ruanlin Li, Wencong Dong, Linhui Zhang, Chunhui Li, Guolin Zhang, Binnian Zhong, Haihua Chen, Jing Song |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 42 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |