A kind of aluminum alloy composite solder wire for arc welding and preparation method thereof

A composite solder and aluminum alloy technology, which is applied in welding equipment, metal processing equipment, welding/cutting media/materials, etc., can solve the problems of low applicability of solder for arc welding, difficulty in compatibility of excellent performance and advantages of solder, etc. , to achieve excellent mechanical properties, increase wetting properties and shear strength, and good wetting properties

Active Publication Date: 2018-08-10
ZHENJIANG SIDA ALLOY MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The solder wires used in arc welding are all composite alloy materials, but it is difficult for composite alloy materials on the market to guarantee wettability, mechanical properties and shear strength in the same material, which makes the applicability of solder for arc welding low , the excellent properties and advantages of solder are difficult to be compatible with

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A preparation method of aluminum alloy composite solder wire for arc welding comprises the following steps:

[0025] S1. Prepare the intermediate alloy solution: firstly, put 8 parts of Al, 6 parts of Si and 7 parts of Cu in the temperature environment of 660 degrees Celsius, 1420 degrees Celsius and 1080 degrees Celsius respectively. Heat at a temperature of four degrees Celsius until it melts, then mix and stir 8 parts of Al, 6 parts of Si and 7 parts of Cu in the molten state. After stirring for ten to fifteen minutes, stop stirring and continue heating to ensure the molten state. Thereby obtaining the intermediate alloy liquid;

[0026] S2. Prepare preliminary mixing solution: place 5 parts of rare earth alloy in a container and heat until 5 parts of rare earth alloy are melted, then introduce 5 parts of rare earth alloy in molten state into the intermediate alloy liquid, and stir for five minutes Stop, and continue to heat to ensure the molten state, so as to obta...

Embodiment 2

[0031] A preparation method of aluminum alloy composite solder wire for arc welding comprises the following steps:

[0032] S1. Preparation of intermediate alloy liquid: firstly, 10 parts of Al, 7.7 parts of Si and 8 parts of Cu are respectively placed in a temperature environment of 660 degrees Celsius, a temperature environment of 1420 degrees Celsius and a temperature of 1080 degrees Celsius. Heat at a temperature of four degrees Celsius until it melts, then mix and stir 10 parts of Al, 7.7 parts of Si and 8 parts of Cu in the molten state. After stirring for ten to fifteen minutes, stop stirring and continue heating to ensure the molten state. Thereby obtaining the intermediate alloy liquid;

[0033] S2. Preparation of preliminary mixing solution: place 6 parts of rare earth alloy in a container and heat until 6 parts of rare earth alloy melt, then introduce 6 parts of rare earth alloy in molten state into the intermediate alloy liquid, and stir for five minutes Stop, and...

Embodiment 3

[0038] A preparation method of aluminum alloy composite solder wire for arc welding comprises the following steps:

[0039] S1. Preparation of intermediate alloy liquid: firstly, 12 parts of Al, 9 parts of Si and 9 parts of Cu are respectively placed in a temperature environment of 660 degrees Celsius, a temperature environment of 1420 degrees Celsius and a temperature of 1080 degrees Celsius. Heat at a temperature of four degrees Celsius until it melts, then mix and stir 12 parts of Al, 9 parts of Si and 9 parts of Cu in the molten state. After stirring for ten to fifteen minutes, stop stirring and continue heating to ensure the molten state. Thereby obtaining the intermediate alloy liquid;

[0040] S2. Prepare preliminary mixing solution: place 7 parts of rare earth alloy in a container and heat until 7 parts of rare earth alloy are melted, then introduce 7 parts of rare earth alloy in molten state into the intermediate alloy liquid, and stir for five minutes Stop, and contin...

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PUM

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Abstract

The invention discloses an aluminium alloy composite solder wire for arc welding and a preparation method thereof. The aluminium alloy composite solder wire comprises main materials and auxiliary materials, wherein the main materials comprise the following raw materials: 8 to 12 parts of Al, 6 to 9 parts of Si and 7 to 9 parts of Cu; and the auxiliary materials comprise the following raw materials: 5 to 7 parts of rare earth alloy, 3.5 to 6 parts of Zn, 4 to 5 parts of Mg, 2.7 to 3.8 parts of Mn, 2 to 5 parts of Ni, 4.5 to 5 parts of Ge and 3 to 5 parts of Sr. According to the invention, the aluminium alloy composite solder wire has good wetting property, ideal mechanical property and excellent shear strength, can integrate good wetting property, mechanical property and shear strength, the problem that excellent performances and advantages of solder cannot be integrated is solved, and the applicability of the solder is improved; La, Y and Ce rare earth elements are added in the formula, so that crystal grains can be refined, the distribution state of the structure is changed, the electrode potential of the solder is not changed, while the mechanical property and corrosion resistance of a soldered joint are improved; and Zn, Mg, Mn, Ni, Ge and Sr are added in the formula, and the solid-liquid phase line temperature is remarkably decreased.

Description

technical field [0001] The invention relates to the technical field of arc welding solder, in particular to an aluminum alloy composite solder wire for arc welding and a preparation method thereof. Background technique [0002] Welding: Also known as welding and welding, is a manufacturing process and technology that uses heat, high temperature, or high pressure to join metal or other thermoplastic materials such as plastics. There are many sources of energy for modern welding, including gas flames, electric arcs, lasers, electron beams, friction, and ultrasound. In addition to its use in factories, welding can also be performed in a variety of environments, such as in the field, underwater and in space. Welding, wherever it occurs, can pose a hazard to the operator, so proper precautions must be taken when welding. Possible injuries caused by welding to the human body include burns, electric shock, visual impairment, inhalation of toxic gases, and excessive exposure to ul...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K35/28B23K35/40
CPCB23K35/286B23K35/40
Inventor 陶纪明
Owner ZHENJIANG SIDA ALLOY MATERIALS
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