Abstract
The equipment of RH600 Hydrogen Analyzer (Fusion) was adopted to measure the hydrogen content of Nb47Ti alloy bars, with Φ50 mm×40 mm after different annealing processes in RX-460 electric furnace. Based on the analysis results, a dehydrogenation method was proposed. The results indicate that the main hydrogenation takes place at the annealing temperature of 1200℃, while the hydrogenation can not occur in the subsequent annealing at 950, 930 and 900℃. The hydrogenation phenomenon occurring in Nb47Ti alloy is mainly attributed to the joint effect of the high activity constituent elements and the rare hydrogen atmosphere. The 800℃/3 h and 800℃/6 h vacuum heat treatment can reduce the hydrogen content in Nb47Ti alloy effectively from 60 μg/g to 21 and 29 μg/g, respectively.
| Original language | English |
|---|---|
| Pages (from-to) | 2627-2630 |
| Number of pages | 4 |
| Journal | Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering |
| Volume | 43 |
| Issue number | 11 |
| State | Published - 1 Nov 2014 |
Keywords
- Dehydrogenation
- Electric furnace
- Hydrogenation
- Nb47Ti alloy
- Vacuum anneal