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Copper-magnesium alloy and preparation method thereof

A copper-magnesium alloy, high-temperature smelting technology, applied in the field of copper-magnesium alloy and its preparation, to achieve the effect of high elongation

Inactive Publication Date: 2014-03-26
JIANGSU PAQINI COPPER IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The elongation of conventional copper alloy metal mixture materials is about 10%, which cannot meet the needs of some special purposes.
It is possible to further increase the elongation of copper alloys by melting different metals with copper

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] The preparation method of the copper-magnesium alloy includes the following steps: (1) The temperature of the high-temperature melting furnace is set to 950° C.; (2) 45 kg of Mg, 4 kg of Ti, and 3 kg of Cr are added to the high-temperature melting furnace; Add 5kg of carbon powder to the smelting furnace; (4) After raising the temperature of the high-temperature smelting furnace to 1800°C, add 0.7kg of Sn, 0.6kg of Ge, and 946.7kg of copper, and smelt for 7 hours; (5) Finally, cast it into a copper alloy ingot After cooling to room temperature, a copper-magnesium alloy is obtained.

Embodiment 2

[0013] The preparation method of the copper-magnesium alloy includes the following steps: (1) The temperature of the high-temperature melting furnace is set to 950°C; (2) 85 kg of Mg, 6 kg of Ti, and 5 kg of Cr are added to the high-temperature melting furnace; Add 5kg of carbon powder to the smelting furnace; (4) After raising the temperature of the high-temperature smelting furnace to 1800°C, add 1kg of Sn, 0.9kg of Ge, and 902.1kg of copper, and smelt for 10 hours; (5) Finally, after casting into copper alloy ingots Cool to room temperature to obtain a copper-magnesium alloy.

Embodiment 3

[0015] The preparation method of the copper-magnesium alloy includes the following steps: (1) The temperature of the high-temperature melting furnace is set to 950°C; (2) 75 kg of Mg, 5 kg of Ti, and 4 kg of Cr are added to the high-temperature melting furnace; Add 5kg of carbon powder to the smelting furnace; (4) After raising the temperature of the high-temperature smelting furnace to 1800°C, add 1kg of Sn, 0.9kg of Ge, and 914.1kg of copper, and smelt for 8 hours; (5) Finally, after casting into copper alloy ingots Cool to room temperature to obtain a copper-magnesium alloy.

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Abstract

The invention discloses copper-magnesium alloy and a preparation method thereof. The copper-magnesium alloy comprises the following constituents by weight percent: 4.5 to 8.5wt percent of Mg, 0.4 to 0.6wt percent of Ti, 0.3 to 0.5wt percent of Cr, 0.07 to 0.1wt percent of Sn, 0.06 to 0.09wt percent of Ge, and the balance of copper. The preparation method comprises the steps of performing high-temperature melting in a high-temperature smelting furnace, feeding the constituents, and then cooling the constituents, so as to obtain the copper-magnesium alloy. The copper-magnesium alloy has excellent elongation.

Description

technical field [0001] The invention relates to an alloy and a preparation method thereof, in particular to a copper-magnesium alloy and a preparation method thereof. Background technique [0002] Copper alloys are widely used. Mixing different metal elements with copper elements and then smelting at high temperature can achieve some additional effects and effectively overcome some problems. The elongation of alloys has always been a research hotspot in the industry, and improving the elongation of copper alloys is a research goal. The elongation of conventional copper alloy metal mixture materials is about 10%, which cannot meet the needs of some special applications. It is possible to further increase the elongation of copper alloys by melting different metals with copper. Contents of the invention [0003] Technical problem to be solved: the problem of low elongation of conventional copper alloys. [0004] Technical solution: The invention discloses a copper-magnesiu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C9/00C22C1/02
Inventor 王惠张松岩钱忆张陈新燕
Owner JIANGSU PAQINI COPPER IND