Abstract
The microstructure of experimental nickel-base single crystal super alloys with different levels of carbon has been studied. The results indicated that with increasing carbon addition, the liquid us temperature decreased obviously and the as-cast microstructures exhibited a decrease in the amount of γ/γ' eutectic structure and an increase in the volume fraction of carbides. The carbides formed in these alloys were most script-type MC carbides which appeared continuous dendritic networks in the inter dendritic region. The segregation behavior of element W was influenced by the carbon addition.
| Original language | English |
|---|---|
| Pages (from-to) | 352-356 |
| Number of pages | 5 |
| Journal | China Foundry |
| Volume | 7 |
| Issue number | 4 |
| State | Published - 2010 |
Keywords
- Carbon
- Eutectic
- Ni-based superalloy
- Segregation
- Single crystal
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