A kind of preparation method of high-strength and high-conductivity powder metallurgy copper-iron alloy
A copper-iron alloy and powder metallurgy technology, applied in the field of powder metallurgy, can solve the problems of high oxygen content of powder metallurgy copper-iron alloy, segregation of copper-iron alloy composition, difficult precipitation of iron phase, etc. fine grained effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0023] a. Weigh 1607.1 g of water-atomized copper-iron alloy powder with an average particle size of 2 μm and 123.6 g of copper-phosphorus alloy powder with an average particle size of 10 μm (P content is 14wt.%), and put them into a V-type mixer for mixing , the mixing time is 4h, and a uniformly mixed powder is prepared, in which the mass fraction of Fe is 50% and the mass fraction of P is 1%.
[0024] b. Put the mixed powder into a silica gel package, the size of the inner cavity of the package is 150×100×25mm, and put it into a cold isostatic pressing machine. ×88 × 20mm green sheet.
[0025] c. Put the green sheet obtained by cold isostatic pressing into the vacuum sintering furnace, place a crucible with 1kg pure titanium powder in the furnace at the same time, and vacuumize for vacuum sintering, and the vacuum degree is 10 -3 Pa, the sintering temperature is 800°C, and the holding time is 6h to obtain a sintered slab of copper-iron alloy.
[0026] d. Hot rolling the s...
Embodiment 2
[0028] a. Weigh 4897.6g of water vapor combined atomized copper-iron alloy powder with an average particle size of 8μm and 29.6g of red phosphorus powder with an average particle size of 50μm, put them into a V-type mixer for mixing, and the mixing time is 4h, A uniformly mixed powder was prepared, in which the mass fraction of Fe was 35% and the mass fraction of P was 0.6%.
[0029] b. Put the mixed powder into a rubber cover, the size of the inner cavity of the package is 200×150×30mm, and put it into a cold isostatic pressing machine. 142×26mm green sheet.
[0030] c. Put the green sheet obtained by cold isostatic pressing into the vacuum sintering furnace, place a crucible with 1kg pure titanium powder in the furnace at the same time, and vacuumize for vacuum sintering, and the vacuum degree is 10 -2 Pa, the sintering temperature is 920°C, and the holding time is 2h to obtain a sintered slab of copper-iron alloy.
[0031] d. The sintered slab is hot-rolled, the hot-rolli...
Embodiment 3
[0033] a. Weigh 13769.4 g of gas atomized copper-iron alloy powder with an average particle size of 100 μm and 99.1 g of copper-phosphorus alloy powder with an average particle size of 20 μm (P content is 14wt.%), put them into a V-type mixer for mixing , the mixing time is 4h, and a uniformly mixed powder is prepared, in which the mass fraction of Fe is 15% and the mass fraction of P is 0.1%.
[0034] b. Put the mixed powder into the silica gel package, and the size of the inner cavity of the package is After packaging, put it into a cold isostatic pressing machine, the cold isostatic pressing pressure is 400MPa, and the pressure holding time is 300s. of green bars.
[0035] c. Put the bar blank obtained by cold isostatic pressing into a vacuum sintering furnace, and place a crucible with 1kg pure titanium powder in the furnace at the same time, and vacuumize for vacuum sintering, and the vacuum degree is 10 -1 Pa, the sintering temperature is 1000° C., and the holding ...
PUM
| Property | Measurement | Unit |
|---|---|---|
| particle size | aaaaa | aaaaa |
| particle size | aaaaa | aaaaa |
| tensile strength | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More