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Niobium micro-alloying copper and copper alloy material

A technology of microalloying and copper alloying is applied in the field of niobium microalloying copper and copper alloy materials, which can solve the problems of easy increase of material grains, quality accidents, and decrease of material strength in welding areas, and achieve good plasticity and high strength. , the effect of improving the overall performance of the material

Inactive Publication Date: 2007-08-08
GOLDEN DRAGON PRECISE COPPER TUBE GROUP
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Problems solved by technology

At the same time, in the process of using these materials for product manufacturing, welding is required, and the grain size of the material at the welding part is very easy to increase, resulting in a significant decrease in the strength of the material in the welding area, causing various serious quality accidents
In recent years, metal niobium has been successfully applied in the field of ferrous metallurgy (mainly steel materials) as an alloy component that can improve the properties of metal materials, while the research and application in the field of non-ferrous metals, especially copper and copper alloys, is currently Have not seen relevant literature reports

Method used

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Embodiment Construction

[0007] In various melted conventional copper or copper alloy solutions, add a small amount of copper-niobium master alloy or niobium metal to prepare niobium microalloyed copper liquid, and produce various plates, strips and foils according to known forming methods Copper and copper alloy materials for tubes, rods and wires.

[0008] The implementation process of the present invention will be described below by taking the production of niobium microalloyed phosphorus deoxidized copper smooth tubes with a diameter of φ9.25*0.38mm as an example.

[0009] Put the cathode copper plate into the power frequency cored melting furnace, melt it into copper liquid under the protection of dry charcoal, and put 2Kg of phosphorus copper alloy (CuP 14 ) is added in the copper liquid of 1000Kg and carries out deoxidation to obtain low-oxygen copper liquid, and after deoxidation is finished, the copper-niobium master alloy that will be 2Kg is divided into three times to be added in this coppe...

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Abstract

The invention discloses a niobium microalloying copper and copper alloy material, which is characterized by the following: distributing 0.001-0.03% niobium element of even nanometer particle in the copper or copper alloy base; improving welding and softening property without damaging conductivity and heat conductivity.

Description

Technical field: [0001] The invention relates to a non-ferrous metal alloy material, specifically niobium microalloyed copper and copper alloy material. Background technique: [0002] With the increasingly fierce competition in the field of copper and copper alloys worldwide, the requirements for the quality and comprehensive performance of copper and copper alloys are getting higher and higher. The direction of corrosion is developing, which requires copper and copper alloy materials to increase their strength while improving their ductility. At the same time, welding is required in the process of using these materials for product manufacturing, and the grains of the material at the welding site are easily enlarged, resulting in a significant decrease in the strength of the material in the welding area, causing various serious quality accidents. In recent years, metal niobium has been successfully applied in the field of ferrous metallurgy (mainly steel materials) as an al...

Claims

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Application Information

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IPC IPC(8): C22C9/00
Inventor 张金利宋艳琴王世魁
Owner GOLDEN DRAGON PRECISE COPPER TUBE GROUP
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