Abstract
This paper dealt with the effect of different induction melting technologies on mechanical properties of Nb-16Si-22Ti-2Al-2Hf-17Cr alloy. The cast ingots were fabricated first by arc-melting, and then remolten in the vacuum induction furnace. The results showed that the ingot with refining process of 1800°C/15min and 0.1 at% C addition had finer microstructure and higher room-temperature fracture toughness. In addition, the compressive strength of the ingot with refining technology of 1700°C/10min was 315MPa at 1250°C. However, the arc melting ingot had the lowest fracture toughness and high-temperature compressive strength.
| Original language | English |
|---|---|
| Pages (from-to) | 2940-2945 |
| Number of pages | 6 |
| Journal | International Journal of Modern Physics B |
| Volume | 24 |
| Issue number | 15-16 |
| DOIs | |
| State | Published - 30 Jun 2010 |
Keywords
- Nb-Si based alloys
- mechanical property
- vacuum induction melting
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