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Tube shell material of aluminum-based assembly suitable for laser seal welding, assembly shell and packaging process of assembly shell

Pending Publication Date: 2021-11-30
CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST
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Problems solved by technology

[0007] The purpose of the present invention is to solve the problems that the airtightness of the existing component shell is not high after sealing welding, the requirements for material purity and heat treatment state are high during welding, and the welding parameter window is narrow, and an aluminum alloy suitable for laser sealing welding is provided. The shell material of the base component, the component shell and its packaging process

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  • Tube shell material of aluminum-based assembly suitable for laser seal welding, assembly shell and packaging process of assembly shell
  • Tube shell material of aluminum-based assembly suitable for laser seal welding, assembly shell and packaging process of assembly shell
  • Tube shell material of aluminum-based assembly suitable for laser seal welding, assembly shell and packaging process of assembly shell

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Embodiment Construction

[0027] The above and other technical features and advantages of the present invention will be described in more detail below in conjunction with the accompanying drawings.

[0028] A shell material for aluminum-based components suitable for laser sealing and welding, comprising the following components: Fe: 0.2-0.5%, Si: 10-20%, Mg: 0.05-0.18%, Mn: 0.20-0.38%, Zn : 0.01-0.03%, the rest is Al and trace impurities.

[0029] 1. The effect of alloying elements on the properties of aluminum alloy:

[0030] 1. Silicon element

[0031] At the eutectic temperature of AlSi alloy system at 577°C, the maximum solubility of silicon in solid solution is 1.65%. The solubility decreases as the temperature decreases. Generally, such alloys cannot be strengthened by heat treatment. Aluminum-silicon alloys have excellent casting properties and corrosion resistance. If magnesium and silicon are added to aluminum at the same time to form an aluminum-magnesium-silicon alloy, the strengthening p...

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Abstract

The invention relates to the technical field of aluminum-based assembly shells, in particular to a tube shell material of an aluminum-based assembly suitable for laser welding, an assembly shell and a packaging process of the assembly shell. The tube shell material comprises the following components of 0.2-0.5% of Fe, 10-20% of Si, 0.05-0.18% of Mg, 0.20-0.38% of Mn, 0.01-0.03% of Zn and the balance Al and trace impurities. The allowable range of spot welding parameters and seal welding parameters of the material is large, the weldability with the aluminum-based material is good, a compact and high-strength laser welding seam is easy to form, the air tightness of the assembly after seal welding meets the requirements of GJB 548B-2005, and the batch production qualification rate can reach 90%.

Description

technical field [0001] The invention relates to the technical field of laser sealing and welding of aluminum-based component shells, in particular to a shell material of an aluminum-based component suitable for laser sealing and welding, a component shell and a packaging process thereof. Background technique [0002] With the profound changes in the military field and the rapid development of aerospace technology, space is becoming another important battlefield in modern warfare, and space electronic warfare is playing an increasingly important role in warfare. [0003] Due to the particularity of the space operating environment, extremely high requirements are put forward for aerospace electronic components, including microwave components. Not only are the components required to be small in size and light in weight, but they are also required to have high airtightness and be able to withstand strong shock vibrations and Under irradiation conditions, it can work stably in a ...

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Application Information

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IPC IPC(8): B23K26/00B23K26/21B23K26/32B23K26/70B23K103/10
CPCB23K26/00B23K26/21B23K26/32B23K26/702B23K2103/10
Inventor 王传伟任榕吴昱昆张加波吴伟潘旷王道畅王禾雷党刚李宸宇
Owner CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST
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