Table 1 Experimental conditions of deoxidation of Ti melt, and analytical results of oxygen and nitrogen in Ti metal obtained after deoxidation
From: Direct production of low-oxygen-concentration titanium from molten titanium
Exp.# | Materials charged into induction melting, wi / g | Analytical results of Ti samples after deoxidation | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Ti | Y | La | Ce | YF3 | LaF3 | CeF3 | CaF2 | TiO2 | Oxygen concentration, CO (mass ppm) | Nitrogen concentration, CN (mass ppm) | |
1 | 350 | 12 | - | - | 110 | - | - | - | - | 170, 220, 110, 120, 140, 230, 110, 120, 190, 120 | 140, 140, 130, 120, 130, 150, 140, 120, 140, 150 |
2 | 350 | 1.6 | - | - | 110 | - | - | - | - | 600, 580, 620, 580, 600 | 100, 100, 100, 70, 110 |
3 | 350 | 65 | - | - | 110 | - | - | - | - | 870, 1300, 920, 1100 | 300, 300, 340, 310 |
4 | 350 | 65 | - | - | 110 | - | - | - | - | 680, 590, 760, 1100 | 180, 200, 210, 220 |
5 | 350 | 65 | - | - | 110 | - | - | - | - | 750, 920, 850, 730, 730 | 180, 180, 190, 180, 170 |
6 | 350 | 65 | - | - | 110 | - | - | - | 9.0 | 930, 850, 940, 700, 820, 820, 870, 790, 820 | 210, 220, 220, 180, 210, 180, 210, 210, 210 |
7 | 350 | 65 | - | - | 110 | - | - | - | 9.0 | 1400, 980, 1100, 1100, 1000, 1200 | 130, 160, 160, 140, 140, 170 |
8 | 350 | 65 | - | - | 110 | - | - | - | 9.0 | 1100, 860, 860, 780 | 240, 220, 230, 230 |
9 | 350 | - | 19 | - | - | 140 | - | - | - | 730, 750, 740, 740, 710 | 80, 90, 80, 90, 90 |
10 | 350 | - | 100 | - | - | 150 | - | - | 9.0 | 510, 500, 500, 980, 510 | 60, 50, 50, 90, 60 |
11 | 350 | - | - | 100 | - | - | 150 | - | 9.0 | 550, 570, 570, 570 | 150, 150, 130, 140 |
12 | 350 | 65 | - | - | - | - | - | 57 | - | 930, 870, 1400, 1300 | 150, 140, 160, 150 |
13 | 350 | 65 | - | - | - | - | - | - | - | 1400, 1400, 1200, 1900, 1100 | 170, 170, 150, 160, 130 |
