The enterprise "ELTEHMASH" mastered the production of heat-resistant titanium alloys:
a) with the chemical composition as given in Table 1
Table 1
|
Element content,% wt. |
|||
|
Ti |
Al |
Si |
Zr |
|
основа |
6,5 – 7,5 |
1,5 -1,8 |
3-5 |
b) chemical composition of the alloys is given in Table 2
Table 2
|
№ |
Ti |
Nb |
Si |
Zr |
|
1 |
base |
11-13 |
0,9-1,1 |
1,9-2,2 |
|
2 |
base |
11-13 |
0,9-1,1 |
3,9-4,2 |
|
3 |
base |
11-13 |
0,9-1,1 |
5,9-6,2 |
|
4 |
base |
11-13 |
0,9-1,1 |
9,9-10,2 |
|
5 |
base |
11-13 |
0,9-1,1 |
14,8-15,2 |
|
6 |
base |
18-20 |
0,9-1,1 |
1,9-2,2 |
|
7 |
base |
18-20 |
0,9-1,1 |
3,9-4,2 |
|
8 |
base |
18-20 |
0,9-1,1 |
5,9-6,2 |
|
9 |
base |
18-20 |
0,9-1,1 |
9,9-10,2 |
|
10 |
base |
18-20 |
0,9-1,1 |
14,8-15,2 |
As shown from Table 2, titanium-based alloys are manufactured in a fairly narrow range of concentrations of the alloying components. This repeatability melts reaches 95-98%.
Alloys of Ti-Nb-Zr-Si intended for medical purposes.