| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1500133 | Scripta Materialia | 2009 | 4 Pages |
Abstract
Friction stir processing (FSP) of cast Mg–9Al–1Zn alloy plus subsequent aging produced a defect-free recrystallized fine-grained microstructure with fine β-Mg17Al12 particles. Compared to the as-cast parent material, the FSP sample exhibited significantly enhanced fatigue properties, with the fatigue strength being increased from ∼45 to ∼95 MPa and the fracture mode being changed from quasi-cleavage fracture to dimple fracture. The improvement was attributed to refinement of grains, elimination of porosities and coarse β networks, and precipitation of fine β particles.
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Authors
D.R. Ni, D. Wang, A.H. Feng, G. Yao, Z.Y. Ma,