Method for preparing oxide dispersion strengthened copper composite material
A dispersion-strengthened copper and composite material technology, which is applied in the field of copper alloy material preparation, can solve the problems of easy segregation, Y incorporation, uneven distribution of dispersed phase, etc., and achieve the effect of loose conditions, easy operation and uniform distribution
Inactive Publication Date: 2018-11-30
UNIV OF SCI & TECH BEIJING
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The invention relates to a method for preparing an oxide dispersion strengthened copper composite material, and belongs to the field of preparation of copper alloy materials. The method is as follows:firstly reducing Cu powder; alloying element powder, to be more specific, thoroughly mixing the reduced Cu powder with an appropriate amount of Y powder to obtain a Cu powder and Y powder mixture, then packaging the Cu powder and Y powder mixture and grinding balls in a stainless steel ball mill tank, and performing ball milling under an inert gas atmosphere; after the ball milling, annealing alloyed alloy powder by a muffle furnace, and sintering the annealed alloy powder into a block by a discharge plasma sintering furnace, and then rolling the block into a desiring thickness; and finally using a muffle furnace to perform heat treatment on the rolled copper alloy, and cooling in the furnace to obtain the oxide dispersion strengthened copper composite material. The oxide dispersion strengthened copper composite material prepared by the method has uniform distribution of nano-oxide particles with an average size of 5-6 nm, the powder production rate is over 95%, and the process is simple and easy to operate.
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Property | Measurement | Unit |
Average size | 5.0 ~ 6.0 | nm |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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