A kind of breathable layered nanoporous copper-silver composite material and preparation method thereof
A technology of nano-porous copper and composite materials, which is applied in the fields of botanical equipment and methods, metal layered products, chemical instruments and methods, etc., can solve the problems of single structure, easy accumulation of nano-copper-silver bimetallic powder, and inability to support itself. , to achieve the effect of simple preparation method, good mechanical integrity and easy operation
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Embodiment 1
[0039] Select alloy composition Cu 45 Zr 25 Ti20 Ag 10 , according to the atomic percentage of each element in the target alloy: Cu is 45at.%, Zr is 25at.%, Ti is 20at.%, Ag is 10at.%, and the mass fraction is 99.99% high-purity copper sheet (5.977g ), zirconium grain (4.767g), titanium grain (2.002g) and silver grain (2.255g) obtain master alloy raw material 15g; Master alloy raw material is placed in vacuum arc melting furnace (put into 99.9wt% pure titanium before smelting granules as oxygen-scavenging material), and repeated melting 4 times under the protection of high-purity argon (to ensure the uniformity of the alloy), each time about 40s. Cool down to room temperature with the furnace to get Cu 45 Zr 25 Ti 20 Ag 10 alloy ingot.
[0040] Take 3-4g of the polished and cleaned alloy ingot and place it in a quartz test tube, put the quartz test tube into the induction coil of the vacuum belt throwing machine and fix it in the induction coil, carry out induction melt...
Embodiment 2
[0046] Select alloy composition Cu 45 Zr 25 Ti 20 Ag 10 , according to the atomic percentage of each element in the target alloy: Cu is 45at.%, Zr is 25at.%, Ti is 20at.%, Ag is 10at.%, and the mass fraction is 99.99% high-purity copper sheet (5.977g ), zirconium grain (4.767g), titanium grain (2.002g) and silver grain (2.255g) obtain master alloy raw material 15g; Master alloy raw material is placed in vacuum arc melting furnace (put into 99.9wt% pure titanium before smelting granules as oxygen-scavenging material), and repeated melting 4 times under the protection of high-purity argon (to ensure the uniformity of the alloy), each time about 40s. Cool down to room temperature with the furnace to get Cu 50 Zr 25 Ti 20 Ag 10 alloy ingot.
[0047] Take 3-4g of the polished and cleaned alloy ingot and place it in a quartz test tube, put the quartz test tube into the induction coil of the vacuum belt throwing machine and fix it in the induction coil, carry out induction me...
Embodiment 3
[0053] Select alloy composition Cu 45 Zr 25 Ti 20 Ag 10 , according to the atomic percentage of each element in the target alloy: Cu is 45at.%, Zr is 25at.%, Ti is 20at.%, Ag is 10at.%, and the mass fraction is 99.99% high-purity copper sheet (5.977g ), zirconium grain (4.767g), titanium grain (2.002g) and silver grain (2.255g) obtain master alloy raw material 15g; Master alloy raw material is placed in vacuum arc melting furnace (put into 99.9wt% pure titanium before smelting granules as oxygen-scavenging material), and repeated melting 4 times under the protection of high-purity argon (to ensure the uniformity of the alloy), each time about 40s. Cool down to room temperature with the furnace to get Cu 50 Zr 25 Ti 20 Ag 10 alloy ingot.
[0054] Take 3-4g of the polished and cleaned alloy ingot and place it in a quartz test tube, put the quartz test tube into the induction coil of the vacuum belt throwing machine and fix it in the induction coil, carry out induction me...
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