Tungsten Aluminum Master Alloy Preparation

The present invention provides a method for preparing an intermediate tungsten alloy aluminum. Characterized in that:

Percentage by weight, of its components: 10 to 75 W, Nb of 0 to 75, 0 to 75 molybdenum, titanium, 0 to 20, the balance aluminum.

Specific steps are as follows:

1) Preparation of ignition can be used outside of the furnace smelting process: raw materials drying temperature 70 ~ 80 ℃, when adding ingredients scum ingredients, dosage is 5 to 15 percent of the total weight of raw materials;

2) We can use frequency furnace melting method: when the ratio of ingredients by adding anti-oxidants and flux.

The present invention aluminum master alloy melting point of tungsten is much lower than the melting point of the metal elemental make the process of preparation of melting titanium stabilized to avoid inconsistencies due to the melting point of the metal simple substance, melting the applied current fluctuated phenomenon is not easy to control;

The process is simple, no special equipment, the present invention is prepared using tungsten titanium aluminum master alloy, the alloy can be added to the package approach, small power consumption, low cost, easy preparation.


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