Preparation method for high-strength high-conductivity Cu-Ag-Fe alloy
A cu-ag-fe, high conductivity technology, applied in the field of non-ferrous metal alloys, can solve the problems that do not involve Cu-Ag-Fe ternary alloy homogenization, annealing and other heat treatment processes, so as to reduce impurity scattering and improve electrical conductivity Ratio, the effect of refining Cu dendrites
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Embodiment 1
[0038] A preparation method of high-strength and high-conductivity Cu-Ag-Fe alloy, comprising the following steps:
[0039] Step 1, preparation of cast Cu-Ag-Fe master alloy:
[0040] A high-strength and high-conductivity Cu-Ag-Fe alloy, the composition of which is as follows: Cu:Ag:Fe: 94.1:5.4:0.5.
[0041] Using electrolytic Cu, Ag and pure Fe with a purity of more than 99.9wt% as raw materials, they are melted in a vacuum induction melting furnace according to the proportion, and then poured into a water-cooled copper mold at a pouring temperature of 1200°C to obtain as-cast Cu-Ag- Fe master alloy, its macrostructure diagram is shown in figure 1 ;
[0042] Step 2, solidification of Cu-Ag-Fe alloy under the action of alternating magnetic field:
[0043]Place the prepared cast Cu-Ag-Fe master alloy in the center of a 1T alternating magnetic field, heat it to 1200°C, keep it warm for 10 minutes, and then cool it rapidly to obtain a solidified Cu-Ag-Fe alloy;
[0044] Step...
Embodiment 2
[0056] A preparation method of high-strength and high-conductivity Cu-Ag-Fe alloy, comprising the following steps:
[0057] Step 1, preparation of cast Cu-Ag-Fe master alloy:
[0058] A high-strength and high-conductivity Cu-Ag-Fe alloy, the composition of which is: Cu:Ag:Fe is 95.0:3.0:2.0 by weight percentage.
[0059] Using electrolytic Cu, Ag and pure Fe with a purity of more than 99.9wt% as raw materials, they are melted in a vacuum induction melting furnace according to the proportion, and then poured into a water-cooled copper mold at a pouring temperature of 1300°C to obtain cast Cu-Ag- Fe master alloy;
[0060] Step 2, solidification of Cu-Ag-Fe alloy under the action of alternating magnetic field:
[0061] Place the prepared cast Cu-Ag-Fe master alloy in the center of a 0.5T alternating magnetic field, heat it to 1300°C, keep it warm for 30 minutes, and then cool it rapidly to obtain a solidified Cu-Ag-Fe alloy;
[0062] Step 3, homogenization of the alloy under t...
Embodiment 3
[0074] A preparation method of high-strength and high-conductivity Cu-Ag-Fe alloy, comprising the following steps:
[0075] Step 1, preparation of cast Cu-Ag-Fe master alloy:
[0076] A high-strength and high-conductivity Cu-Ag-Fe alloy, the composition of which is as follows: Cu:Ag:Fe: 87.5:11.0:1.5.
[0077] Using electrolytic Cu, Ag and pure Fe with a purity of more than 99.9wt% as raw materials, they are melted in a vacuum induction melting furnace according to the proportion, and then poured into a water-cooled copper mold at a pouring temperature of 1200°C to obtain as-cast Cu-Ag- Fe master alloy;
[0078] Step 2, solidification of Cu-Ag-Fe alloy under the action of alternating magnetic field:
[0079] Place the prepared cast Cu-Ag-Fe master alloy in the center of a 0.5T alternating magnetic field, heat it to 1200°C, keep it warm for 30 minutes, and then cool it rapidly to obtain a solidified Cu-Ag-Fe alloy;
[0080] Step 3, homogenization of the alloy under the actio...
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