Local Yield Stress Distribution of HDPE Pipe Butt Fusion Joints Measured by a Small Punch Test
Chunmei Bai, Xiehang Duan, Zhuang Hu, Huan Sheng Lai, Yuntao Zhong, Peinan Du · 2026
Read Local Yield Stress Distribution of HDPE Pipe Butt Fusion Joints Measured by a Small Punch Test by Chunmei Bai, Xiehang Duan, Zhuang Hu, Huan Sheng Lai, Yuntao Zhong, Peinan Du (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-13568134.txt.
Description
Chunmei Bai and co-authors map strength inside plastic pipe welds in a 2026 study. Butt fusion joins most polyethylene pipelines, yet the joint is the likeliest failure point. Standard pull tests give only one average value and miss local variation across the narrow weld.
The team used a small punch test paired with computer simulation to infer local yield stress. A calibrated formula matched base pipe data well under set friction conditions. Welds made to a standard recipe showed a fusion zone stronger than the base pipe. Peak strength sat a few millimeters off the weld center, about four percent above base. The method suits on-site weld checks.
Catalog record
| CREATOR | Chunmei Bai, Xiehang Duan, Zhuang Hu, Huan Sheng Lai, Yuntao Zhong, Peinan Du |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 23 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |