Engineering bi-directional microstructural heterogeneity through mechanical surface treatment
Erencan Oranli, Asghar Heydari Astaraee, Marc Novelli, Thierry Grosdidier, Mario Guagliano, Sara Bagherifard · 2026
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Description
Erencan Oranli and five co-authors use patterned blasting to build metal whose inner grain varies in two directions at once. Their study was published in twenty twenty-six. Mixed-structure materials can beat uniform ones, since soft and hard zones share the load in useful ways.
Ultrasonic shot peening hammers the surface, refining grains near it while the core stays untouched. Masks with varied patterns shielded chosen areas, so treated and untreated zones alternate across the face. Depth adds the second direction of change, in both grain size and defect density. Pull tests then probed how the patterned metal behaves. The method offers a mask-based way to design strength and stretch into a part exactly where each is wanted.
Catalog record
| CREATOR | Erencan Oranli, Asghar Heydari Astaraee, Marc Novelli, Thierry Grosdidier, Mario Guagliano, Sara Bagherifard |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 60 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |