High-temperature ni-based alloy powder preparation method
A nickel-based alloy and high-temperature technology, which is applied in the field of preparation of high-temperature nickel-based alloy powder, can solve problems such as unsolved problems, and achieve the effects of controllable particle size, high purity, and friendly production environment
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Embodiment 1
[0016] A preparation method of high-temperature nickel-based alloy powder, the specific steps are as follows:
[0017] (1) Preparation of master alloy: 80% electrolytic nickel and 20% electrolytic aluminum are used as raw materials by mass ratio, and smelted at 1600°C;
[0018] (2) Smelting: Use a 100kg intermediate frequency induction furnace, add a covering agent after the electrolytic nickel is melted, the covering agent is 30% fluorite and 70% lime by mass, the amount of covering agent added is 2% of the mass of the master alloy, and the metal is completely melted After pouring into ingots for later use;
[0019] (3) Deoxidation: After electrolytic nickel is melted, cover agent is added, and aluminum lime is diffused for deoxidation. The amount of aluminum lime added is 0.5% of the mass of the master alloy. After the "slag is white", the master alloy is added;
[0020] (4) Alloying: The degree of alloying is mainly carried out by the electromagnetic stirring of the interm...
Embodiment 2
[0024] A preparation method of high-temperature nickel-based alloy powder, the specific steps are as follows:
[0025] (1) Preparation of master alloy: the mass ratio is 60% electrolytic nickel and 40% electrolytic chromium as raw materials, and smelted at 1700 °C;
[0026] (2) Smelting: Use a 100kg intermediate frequency induction furnace, add a covering agent after the electrolytic nickel is melted, the covering agent is 10% fluorite and 90% lime by mass, the amount of covering agent added is 6% of the mass of the master alloy, and the metal is completely melted After pouring into ingots for later use;
[0027] (3) Deoxidation: After the electrolytic nickel is melted, a covering agent is added, and aluminum lime is diffused for deoxidation. The amount of aluminum lime added is 2% of the mass of the master alloy. After the "slag is white", the master alloy is added;
[0028] (4) Alloying: The degree of alloying is mainly carried out by the electromagnetic stirring of the int...
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