Preparation method of molybdenum alloy barium titanate film
A barium titanate and molybdenum alloy technology, which is applied in metal material coating process, ion implantation plating, coating, etc., can solve the problems of difficult control of processing cost, high price, and insufficient low temperature toughness
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Embodiment 1
[0027] The molybdenum alloy substrate of the molybdenum alloy sheet material of the present embodiment is made up of following weight components: 0.5% Mo 5 Si 3 / Y 2 o 3 ; The remainder is the matrix phase of pure molybdenum powder with an average particle size of <8 μm.
[0028] Will Mo 5 Si 3 / Y 2 o 3 , ball milled to an average particle size of 100-300nm.
[0029] According to the designed molybdenum doping material composition ratio, the pure molybdenum powder with an average particle size of 5 Si 3 / Y 2 o 3 Mixing, using traditional powder metallurgy methods to mix and press into sintered slabs.
[0030] The obtained sintered slab is heated to 1850° C. in a pure hydrogen atmosphere and kept for 5 hours for sintering; after cooling in the furnace, a sintered billet is obtained.
[0031] The obtained sintered billet is heated from room temperature to 1350° C. for hot rolling, and the deformation amount of each pass is 20%, and when the total deformation amount is...
Embodiment 2
[0039] The molybdenum alloy substrate of the molybdenum alloy sheet material of the present embodiment is made up of following weight components: 2% Mo 5 Si 3 / Y 2 o 3 ; The remainder is the matrix phase of pure molybdenum powder with an average particle size of <8 μm.
[0040] Will Mo 5 Si 3 / Y 2 o 3 , ball milled to an average particle size of 100-300nm.
[0041] According to the designed molybdenum doping material composition ratio, the pure molybdenum powder with an average particle size of 5 Si 3 / Y 2 o 3 Mixing, using traditional powder metallurgy methods to mix and press into sintered slabs.
[0042] The obtained sintered slab is heated to 2050° C. in a pure hydrogen atmosphere, and kept for 10 hours for sintering; after cooling with the furnace, a sintered billet is obtained.
[0043] The obtained sintered billet is heated from room temperature to 1500° C. for hot rolling, and the deformation of each pass is 35%, and when the total deformation is greater tha...
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