Method for leveling tungsten plate with high straightness
A flatness and leveling technology, which is applied in the leveling field of high-flatness tungsten plates, can solve the problems that cannot meet the thermal leveling requirements of tungsten plates, and achieve the effect of preventing oxidation and ensuring the leveling effect
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Embodiment 1
[0021] Take a tungsten sheet with a thickness of 0.2mm, a counterweight tungsten block 14, a flatness of ≤±0.02mm, and a high-temperature molybdenum alloy 15 as a leveling pressing block, and the leveling tungsten plates (sheets) 16 are neatly placed on the pressing blocks In the middle, a tungsten block is placed on top of the top layer as a counterweight. The leveling pressing block, tungsten sheet, and counterweight are placed on the silicon carbide heat-resistant plate of the material basket as a whole; then the material basket is placed on the support platform of the leveling isolation protection tank; and then the leveling isolation protection tank is hoisted into the vertical resistance In the furnace, hydrogen gas is introduced, under the heating condition of 850℃×1h+1100℃×2h, the heating and leveling is carried out, and the leveling is completed after cooling to room temperature.
Embodiment 2
[0023] Take a tungsten plate with a thickness of 1.0mm, and other conditions are the same as in Example 1. Use TZM alloy as a leveling block with a flatness of ≤±0.02mm, and heat it at 950°C×1h+1200°C×2h. Heating and leveling, cooling to room temperature, complete leveling, tungsten sheet flatness ≤ ± 0.02mm, not oxidized.
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