A kind of preparation method of molybdenum sodium alloy material
An alloy material, sodium molybdate technology, applied in the field of preparation of molybdenum-sodium alloy materials, can solve the problems of difficult mass production, high equipment cost, low production efficiency, etc., to achieve improved compactness, uniform pore distribution, and increased strength Effect
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Embodiment 1
[0030] Preparation of molybdenum sodium alloy material:
[0031] Step 1, adding molybdenum powder, paraffin wax and aviation gasoline solution into a ball mill tank in a mass ratio of 100:0.5:1 for ball milling and granulation for 8 hours to obtain granulated molybdenum powder. The Fischer particle size of the molybdenum powder is 5.6 μm, and the bulk density 1.8g / cm 3 ; The aviation gasoline solution is uniformly mixed by aviation gasoline and deionized water in a mass ratio of 6:94;
[0032] Step 2. Press the granulated molybdenum powder described in step 1 into a molybdenum billet, then place the molybdenum billet in a hydrogen furnace, protect it in a hydrogen atmosphere, and keep it warm for 120 minutes at a temperature of 1200 ° C for sintering to obtain a porosity of 30%, molybdenum skeleton with a thickness of 65mm; in the specific implementation process, the granulated molybdenum powder can be loaded into the steel mold, and the relative density of the molybdenum bla...
Embodiment 2
[0037] Preparation of molybdenum sodium alloy material:
[0038] Step 1, adding molybdenum powder, paraffin wax and aviation gasoline solution into a ball mill tank in a mass ratio of 100:0.5:0.5 for ball milling and granulation for 6 hours to obtain granulated molybdenum powder. The Fischer particle size of the molybdenum powder is 4.5 μm, and the bulk density 1.5g / cm 3 ; The aviation gasoline solution is uniformly mixed by aviation gasoline and deionized water in a mass ratio of 5:95;
[0039] Step 2. Press the granulated molybdenum powder described in step 1 into a molybdenum billet, then place the molybdenum billet in a hydrogen furnace, protect it in a hydrogen atmosphere, and keep it warm for 120 minutes at a temperature of 1100°C for sintering to obtain a porosity of 25%, molybdenum skeleton with a thickness of 60mm; in the specific implementation process, the granulated molybdenum powder is loaded into the steel mold, and the relative density of the molybdenum billet ...
Embodiment 3
[0044] Preparation of molybdenum sodium alloy material:
[0045] Step 1, adding molybdenum powder, paraffin wax and aviation gasoline solution into a ball mill tank in a mass ratio of 100:0.3:0.5 for ball milling and granulation for 7 hours to obtain granulated molybdenum powder. The Fischer particle size of the molybdenum powder is 5.2 μm, and the bulk density 2.1g / cm 3 ; The aviation gasoline solution is uniformly mixed by aviation gasoline and deionized water in a mass ratio of 5:94;
[0046] Step 2. Press the granulated molybdenum powder described in step 1 into a molybdenum billet, then place the molybdenum billet in a hydrogen furnace, protect it in a hydrogen atmosphere, and heat it for 90 minutes at a temperature of 1200°C for sintering to obtain a porosity of 28%, molybdenum skeleton with a thickness of 70mm; in the specific implementation process, the granulated molybdenum powder is loaded into the steel mold, and the relative density of the molybdenum billet after ...
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