Effect of Material Property Factors on the Interfacial Residual Stress Gradient in High-Manganese Steel/STS304 Dissimilar Butt Welds
Jeong-Ung Park, Gyubaek An · 2026
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Description
Jeong-Ung Park and Gyubaek An study stress left inside welded steel joints in a 2026 paper. High-manganese steel serves in liquefied natural gas tanks because it handles deep cold well. It must be welded to stainless steel in the loading pipes, and unlike metals leave uneven stress after welding. That hidden stress can crack joints over time.
The team modeled a fifteen-millimeter butt weld in three dimensions and checked the model by cutting test pieces. Stress dropped steeply at one interface, reaching strong compression. Of four material traits swapped one at a time, the expansion rate explained most of the pattern. Swapping all four traits reproduced the measured stresses almost fully. Judging welds by peak stress alone, they warn, misses the danger zone.
Catalog record
| CREATOR | Jeong-Ung Park, Gyubaek An |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 59 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |