Welding material and welding method for welding titanium-pure aluminum-aluminum alloy composite plate transition layer

A welding material and welding method technology, applied in the direction of welding/cutting medium/material, welding/welding/cutting articles, welding equipment, etc., can solve the problem that is not directly used for welding titanium-pure aluminum-aluminum alloy composite plate Problems such as the material of the aluminum transition layer, to achieve the effect of facilitating the thickness of the transition layer weld, controlling the height of the weld, and the height of the easy weld

Inactive Publication Date: 2020-05-05
XIAN AERONAUTICAL UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a welding material for welding titanium-pure aluminum transition layer of titanium-pure aluminum-aluminum alloy composite plate, which solves the problem that there is no direct use for welding titanium-pure aluminum-aluminum alloy composite plate titanium-pure aluminum alloy at present. The problem of the material of the aluminum transition layer

Method used

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  • Welding material and welding method for welding titanium-pure aluminum-aluminum alloy composite plate transition layer
  • Welding material and welding method for welding titanium-pure aluminum-aluminum alloy composite plate transition layer
  • Welding material and welding method for welding titanium-pure aluminum-aluminum alloy composite plate transition layer

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Effect test

Embodiment 1

[0043] Step 1. The groove form of the titanium-pure aluminum-aluminum alloy composite plate is I-shaped, the aluminum alloy layer is on top, the pure aluminum layer is in the middle, and the titanium layer is on the bottom. The width of both ends of the I-shaped groove is 5mm. Then clean the I-shaped groove. Groove cleaning includes titanium layer cleaning, pure aluminum layer and aluminum alloy layer cleaning. The titanium layer cleaning process is: first use an angle grinder equipped with a sandpaper-type grinding wheel to grind the surface and side of the titanium layer And the groove area, until the polished area shows a silvery white metallic luster (the purpose is to remove the oxide layer on the surface of the titanium layer), and then use HNO3-HF-HCl solution (HNO 3 -HF-HCl solution consists of 4.5% HNO by mass percentage 3 , 0.5% HF, 35% HCl and 60% H 2 O composition) Scrub the surface, side and groove of the titanium layer for 10 minutes, and then use HNO 3 -H 2 S...

Embodiment 2

[0051] Step 1. The groove form of the titanium-pure aluminum-aluminum alloy composite plate is I-shaped, the aluminum alloy layer is on top, the pure aluminum layer is in the middle, and the titanium layer is on the bottom. The width of both ends of the I-shaped groove is 5mm. Then clean the I-shaped groove. Groove cleaning includes titanium layer cleaning, pure aluminum layer and aluminum alloy layer cleaning. The titanium layer cleaning process is: first use an angle grinder equipped with a sandpaper-type grinding wheel to grind the surface and side of the titanium layer And the groove area, until the polished area has a silvery white metallic luster (the purpose is to remove the oxide layer on the surface of the titanium layer), and then use HNO 3 -HF-HCl solution (HNO 3 -HF-HCl solution consists of 4.5% HNO by mass percentage 3 , 0.5% HF, 35% HCl and 60% H 2 O composition) Scrub the surface, side and groove of the titanium layer for 10 minutes, and then use HNO 3 -H 2 ...

Embodiment 3

[0059] Step 1. The groove form of the titanium-pure aluminum-aluminum alloy composite plate is I-shaped, the aluminum alloy layer is on top, the pure aluminum layer is in the middle, and the titanium layer is on the bottom. The width of both ends of the I-shaped groove is 5mm. Then clean the I-shaped groove. Groove cleaning includes titanium layer cleaning, pure aluminum layer and aluminum alloy layer cleaning. The titanium layer cleaning process is: first use an angle grinder equipped with a sandpaper-type grinding wheel to grind the surface and side of the titanium layer And the groove area until the polished area presents a silvery white metallic luster (the purpose is to remove the oxide layer on the surface of the titanium layer), and then use HNO3-HF-HCl solution (HNO3-HF-HCl solution is composed of 4.5% HNO3, 0.5% HF, 35% HCl and 60% H2O) Scrub the surface, side and groove of the titanium layer for 10 minutes, and then use HNO 3 -H 2 SO 4 Solution (HNO 3 -H 2 SO 4 ...

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Abstract

The invention provides a welding material for welding transition layers of titanium-pure aluminum-aluminum alloy composite plates. The welding material for welding the transition layers of the titanium-pure aluminum-aluminum alloy composite plates is composed of the following components of, by weight, 43-46% of Al, 7-10% of V, less than or equal to 0.04% of C, less than or equal to 0.007% of N, less than or equal to 0.035% of O, less than or equal to 0.001% of H and the balance Ti, and the sum of the weight percentages of the components is 100%. The invention further provides a welding methodfor welding the transition layers of the titanium-pure aluminum-aluminum alloy composite plates. According to the welding material and method for welding the transition layers of the titanium-pure aluminum-aluminum alloy composite plates, compared with a relevant technology, fusion welding butting of the titanium-pure aluminum-aluminum alloy composite plates is achieved, and an obtained welded joint has the excellent toughness.

Description

technical field [0001] The invention belongs to the technical field of metal material welding, and relates to a welding material for welding a titanium-pure aluminum transition layer of a titanium-pure aluminum-aluminum alloy composite plate, and also relates to welding titanium-pure aluminum-aluminum alloy with the welding material Method for titanium-pure aluminum transition layer of composite plate. Background technique [0002] Titanium-pure aluminum-aluminum alloy explosive rolling composite plate is a new type of three-layer metal structure composite material. It combines the advantages of titanium, aluminum and aluminum alloy. It not only has the excellent corrosion resistance of titanium, but also has the low density of aluminum. , good electrical and thermal conductivity, easy to process and shape, and low price. The application of this composite board to the skin of aircraft equipment such as aerospace not only solves the problem that the steel aircraft skin is ea...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K35/28B23K9/167B23K9/235B23K103/18
CPCB23K9/167B23K9/235B23K35/286B23K2103/18
Inventor 丁旭吴伟刚史倩茹王栓强郝杰吴坤尧
Owner XIAN AERONAUTICAL UNIV
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