Conductive copper material modified by ferromagnetic element gadolinium and preparation method thereof

Abstract

The invention provides a ferromagnetic-element and gadolinium-modified conductive copper material and a preparation method thereof. The ferromagnetic-element and gadolinium-modified conductive copper material has higher conductivity. The preparation method is simple in process and low in production cost and is suitable for industrial production. The ferromagnetic-element and gadolinium-modified conductive copper material comprises the following components in percent by weight: 0.01-0.05% of Ce, 0.1-0.4% of Cd, 0.02-0.05% of P, 0.02-0.05% of Fe, 0.03-0.06% of Ca and the balance of Cu.

Description

Technical field:

[0001] The invention belongs to the field of metal materials, and relates to a conductive copper material modified by ferromagnetic element gadolinium and a preparation method of the material. Background technique:

[0002] Application No. CN00110138.2 relates to a high-strength and high-conductivity copper alloy, which is composed of titanium silicon carbide dispersed strengthening phase and copper, and the volume fraction of titanium silicon carbide is 0.005-0.05. Use physical and mechanical methods to uniformly and finely disperse titanium silicon carbide on the copper substrate, and use hot pressing or hot isostatic pressing to sinter at 750°C-1000°C and 20-100MPa for 0.5-2 hours; Or hot extrusion method; extrusion molding at 850°C-950°C. However, the obtained material has low plasticity. Invention content:

[0003] The object of the present invention is to provide a highly plastic conductive copper material modified by the ferromagnetic element gado...

Examples

Embodiment 1

[0028] The conductive copper material modified by ferromagnetic element gadolinium of the present invention has the weight percentage of each component: Ce 0.01%, Gd 0.1%, P 0.02%, Fe 0.02%, Ca 0.03%, and the rest is Cu.

[0029] The preparation method of the conductive copper material modified by ferromagnetic element gadolinium of the present invention comprises the following steps:

[0030] 1) First, the ingredients are prepared according to the above-mentioned ingredients. The raw materials Ce, Gd, Fe, Ca, and Cu are added in the form of pure substances, and the purity is greater than 99.9%; P is added in the form of a copper-phosphorus master alloy, and the weight percentage of P is 13%;

[0031] 2) Then put the raw materials into the graphite crucible, then put the crucible into the induction furnace, and then vacuumize it. When the vacuum degree in the induction furnace reaches 5×10 -2 Heating starts after Pa. After the alloy is heated to 1280°C, stop power supply and v...

Embodiment 2

[0034] The conductive copper material modified by ferromagnetic element gadolinium of the present invention has the weight percentage of each component: Ce 0.05%, Gd 0.4%, P 0.05%, Fe 0.05%, Ca 0.06%, and the rest is Cu.

[0035] The preparation method of the conductive copper material modified by ferromagnetic element gadolinium of the present invention comprises the following steps:

[0036] 1) First, the ingredients are formulated according to the above-mentioned ingredients. The raw materials Ce, Gd, Fe, Ca, and Cu are added in the form of pure substances, and the purity is greater than 99.9%; P is added in the form of a copper-phosphorus master alloy, and the weight percentage of P is 15%;

[0037] 2) Then put the raw material into the graphite crucible, put the crucible into the induction furnace, and then vacuumize it. When the vacuum degree in the induction furnace reaches 8×10 -2 Heating starts after Pa. After the alloy is heated to 1310°C, stop power supply and vacuu...

Embodiment 3

[0040] The conductive copper material modified by ferromagnetic element gadolinium of the present invention has the weight percentage of each component: Ce 0.03%, Gd 0.3%, P 0.04%, Fe 0.04%, Ca 0.05%, and the rest is Cu.

[0041] The preparation method of the conductive copper material modified by ferromagnetic element gadolinium of the present invention comprises the following steps:

[0042] 1) First, the ingredients are prepared according to the above-mentioned ingredients. The raw materials Ce, Gd, Fe, Ca, and Cu are added in the form of pure substances, and the purity is greater than 99.9%; P is added in the form of a copper-phosphorus master alloy, and the weight percentage of P is 14%;

[0043] 2) Then put the raw materials into the graphite crucible, then put the crucible into the induction furnace, and then vacuumize it. When the vacuum degree in the induction furnace reaches 7×10 -2 Heating starts after Pa, and after the alloy is heated to 1300°C, stop power supply a...

Technical field:

[0001] The invention belongs to the field of metal materials, and relates to a conductive copper material modified by ferromagnetic element gadolinium and a preparation method of the material. Background technique:

[0002] Application No. CN00110138.2 relates to a high-strength and high-conductivity copper alloy, which is composed of titanium silicon carbide dispersed strengthening phase and copper, and the volume fraction of titanium silicon carbide is 0.005-0.05. Use physical and mechanical methods to uniformly and finely disperse titanium silicon carbide on the copper substrate, and use hot pressing or hot isostatic pressing to sinter at 750°C-1000°C and 20-100MPa for 0.5-2 hours; Or hot extrusion method; extrusion molding at 850°C-950°C. However, the obtained material has low plasticity. Invention content:

[0003] The object of the present invention is to provide a highly plastic conductive copper material modified by the ferromagnetic element gado...

Examples

Embodiment 1

[0028] The conductive copper material modified by ferromagnetic element gadolinium of the present invention has the weight percentage of each component: Ce 0.01%, Gd 0.1%, P 0.02%, Fe 0.02%, Ca 0.03%, and the rest is Cu.

[0029] The preparation method of the conductive copper material modified by ferromagnetic element gadolinium of the present invention comprises the following steps:

[0030] 1) First, the ingredients are prepared according to the above-mentioned ingredients. The raw materials Ce, Gd, Fe, Ca, and Cu are added in the form of pure substances, and the purity is greater than 99.9%; P is added in the form of a copper-phosphorus master alloy, and the weight percentage of P is 13%;

[0031] 2) Then put the raw materials into the graphite crucible, then put the crucible into the induction furnace, and then vacuumize it. When the vacuum degree in the induction furnace reaches 5×10 -2 Heating starts after Pa. After the alloy is heated to 1280°C, stop power supply and v...

Embodiment 2

[0034] The conductive copper material modified by ferromagnetic element gadolinium of the present invention has the weight percentage of each component: Ce 0.05%, Gd 0.4%, P 0.05%, Fe 0.05%, Ca 0.06%, and the rest is Cu.

[0035] The preparation method of the conductive copper material modified by ferromagnetic element gadolinium of the present invention comprises the following steps:

[0036] 1) First, the ingredients are formulated according to the above-mentioned ingredients. The raw materials Ce, Gd, Fe, Ca, and Cu are added in the form of pure substances, and the purity is greater than 99.9%; P is added in the form of a copper-phosphorus master alloy, and the weight percentage of P is 15%;

[0037] 2) Then put the raw material into the graphite crucible, put the crucible into the induction furnace, and then vacuumize it. When the vacuum degree in the induction furnace reaches 8×10 -2 Heating starts after Pa. After the alloy is heated to 1310°C, stop power supply and vacuu...

Embodiment 3

[0040] The conductive copper material modified by ferromagnetic element gadolinium of the present invention has the weight percentage of each component: Ce 0.03%, Gd 0.3%, P 0.04%, Fe 0.04%, Ca 0.05%, and the rest is Cu.

[0041] The preparation method of the conductive copper material modified by ferromagnetic element gadolinium of the present invention comprises the following steps:

[0042] 1) First, the ingredients are prepared according to the above-mentioned ingredients. The raw materials Ce, Gd, Fe, Ca, and Cu are added in the form of pure substances, and the purity is greater than 99.9%; P is added in the form of a copper-phosphorus master alloy, and the weight percentage of P is 14%;

[0043] 2) Then put the raw materials into the graphite crucible, then put the crucible into the induction furnace, and then vacuumize it. When the vacuum degree in the induction furnace reaches 7×10 -2 Heating starts after Pa, and after the alloy is heated to 1300°C, stop power supply a...

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