Description of AlTiB wire
1. Material: low-Ferrum aluminum ingots; K2TiF6 (potassium fluotitanate); KBF4 (potassium fluoborate)
2. Formation of AlTiB: TiAl3; TiB2
3. Shape of TiAl3: block and rod shape, mainly block shape
4. Nucleation particle: TiB2
5. Structure of TiB2: body centered cubic
6. Lattice constant of TiB2: a=0.3028
7. Density of TiB2: 4.52g/cm3
8. Crystal density of TiB 2:68%
9. Chemical components:
Specification | Chemical components of Al-Ti-B (%) | ||||||||
Color code | Ti | B | Fe | Si | V | Other each | Other total | Balance | |
AlTi5B1 |
| 4.5-5.5 | 0.8-1.2 | ≤0.25 | ≤0.20 | ≤0.05 | ≤0.03 | ≤0.10 | Aluminum |
AlTi3B1 |
| 2.8-3.4 | 0.7-1.1 | ≤0.30 | ≤0.20 | ≤0.05 | ≤0.03 | ≤0.10 | Aluminum |
AlTi5B0.2 |
| 4.5-5.5 | 0.15-0.25 | ≤0.20 | ≤0.15 | ≤0.05 | ≤0.03 | ≤0.10 | Aluminum |
AlTi5B0.6 |
| 4.5-5.5 | 0.55-0.65 | ≤0.30 | ≤0.20 | ≤0.05 | ≤0.03 | ≤0.10 | Aluminum |
Refining Mechanism
The refinement of AlTiB on aluminum grain is that TiB2 coated by TiAl3 is used as nucleation heterogeneous core, and atoms are formed with α - Al which is growing up, so as to improve the nucleation rate of α - Al, inhibit the growing trend due to its low nucleation rate, and realize the control of grain size, the improvement of mechanical properties and other properties.
Product Pictures
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