Effects of Cerium on the Mechanical Properties of Al–20Si Alloy
Liang Hu, Xiaoming Du, Haicheng Liang, Guanglin Zhu, Wenqi Han, Fengling Zhang, Junzhe Liu, Yiqiao Tang, Shuai Wang · 2026
Read Effects of Cerium on the Mechanical Properties of Al–20Si Alloy by Liang Hu, Xiaoming Du, Haicheng Liang, Guanglin Zhu, Wenqi Han, Fengling Zhang, Junzhe Liu, Yiqiao Tang, Shuai Wang (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/PMC13362537.txt.
Description
Liang Hu and colleagues report a 2026 materials study on adding the rare earth metal cerium to an aluminum-silicon alloy used in cast parts. They tracked how cerium changed the alloy's inner structure, pull strength, and surface hardness. Cerium refined the chunky silicon crystals in the metal and created new cerium-bearing phases inside it.
The change brought an odd split: pull strength rose, reaching its best at a small cerium dose, while surface hardness fell. The team explains the split as a contest between tougher, softer phases and other strengthening effects. Breaks also turned from brittle snapping to a more ductile tearing. The findings help engineers tune cast alloys where strength matters more than surface hardness.
Catalog record
| CREATOR | Liang Hu, Xiaoming Du, Haicheng Liang, Guanglin Zhu, Wenqi Han, Fengling Zhang, Junzhe Liu, Yiqiao Tang, Shuai Wang |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 43600 |
| LICENSE | https://creativecommons.org/licenses/by/4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |