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Tantalum rod has two kinds of purity, 99.95% and 99.99%. The material is tantalum tungsten alloy rod, the brand is Ta1, Ta2.
Diameter | Diameter Tolerance | Length | Tolerance | |||
forging rod | Extruded Rods | rolling rod | ground rod | |||
3.0-4.5 | ±0.05 | - | ±0.05 | - | 500-1500 | + 5 |
>4.5-6.5 | ±0.10 | - | ±0.10 | - | 500-1500 | + 5 |
>6.5-10.0 | ±0.15 | - | ±0.15 | - | 400-1500 | + 5 |
>10-16 | ±0.20 | - | ±0.20 | - | 300-1200 | + 5 |
>16-18 | ±1.0 | - | - | ±0.30 | 200-2000 | + 20 |
>18-25 | ±1.5 | ±1.0 | - | ±0.40 | 200-2000 | + 20 |
>25-40 | ±2.0 | ±1.5 | - | ±0.50 | 150-4000 | + 20 |
>40-50 | ±2.5 | ±2.0 | - | ±0.60 | 100-3000 | + 20 |
>50-65 | ±3.0 | ±2.0 | - | ±0.80 | 100-1500 | + 20 |
Mainly used in corrosion resistance and superconducting industries, can be used as tantalum capacitors, tantalum electrodes, tantalum processing parts, making heating parts and heat insulation parts for vacuum blast furnaces, and can be used in the chemical industry to make digesters, heaters, coolers , Various utensils and devices can also be used in metal alloys, tantalum pentoxide is used in capacitors, cutting tools, vacuum filaments, camera lenses, ultra-short wave transmitters in the manufacture of electronic communication equipment, vacuum tubes, medical and so on.
1. Static pressure molding
Tantalum rod of tantalum powder preparation raw materials conform to specified requirements in addition to chemical composition, particle size mixing should satisfy 100% less than 0.074 m (200), which is less than 0.038 m (400), the content of not less than 60% of the requirements. Good bad requirements after the forming surface without defects, no crack, have a certain strength, 70% of the theoretical density.
2. Vacuum sintering
Usually adopts sintered sintering, the sintering vacuum degree should be less than 0.133 Pa, high sintering temperature control at 2600 ℃, typically after two sintered sintering, tantalum rod relative density to achieve 98%, at the same time for tantalum rod surface smooth, no crack, melting tumor, defects such as bubble.
It is used to repair and close the cracks and defects of the broken skull and limbs of the human body.
Tantalum not only has no damage to the human body, but also the human muscle can grow on it, which is called biocompatibility in medicine.
