Abstract
We have discovered a new glass forming region (GFR) defined by melt-spinning at a speed of 30 m/s in a ternary Fe-Fe2B-Fe 4B4Y eutectic in the Fe-B-Y alloy system. This GFR is remarkably wide, within the compositional range 19-40 at.% B, 3 to ∼10 at.% Y and 76-50 at.% Fe, with the best glass former being Fe71.2B 24Y4.8 for a 1 mm fully amorphous rod. The effect of Y content on the glass forming ability (GFA) is perhaps primarily due to the characteristic of the ternary triangle, and Y in the case of Fe-B-Y system should be treated as a base element.
| Original language | English |
|---|---|
| Pages (from-to) | 183-187 |
| Number of pages | 5 |
| Journal | Scripta Materialia |
| Volume | 53 |
| Issue number | 2 |
| DOIs | |
| State | Published - Jul 2005 |
| Externally published | Yes |
Keywords
- Bulk metallic glasses
- Fe-B-Y
- Glass forming ability
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