Method for manufacturing dissimilar aluminum alloy composite materials by arc added materials

A dissimilar aluminum alloy and additive manufacturing technology, which is applied in manufacturing tools, arc welding equipment, metal processing equipment, etc., can solve problems such as difficulty in supplying large forgings

Inactive Publication Date: 2018-06-01
SHANGHAI UNIV OF ENG SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to provide a method for arc additive manufacturing of dissimilar aluminum alloy composite materials, which is used to solve the difficulties in the supply of traditional high-quality overall large forgings, as well as the shortcomings caused by large forgings and tailor-welded structures

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  • Method for manufacturing dissimilar aluminum alloy composite materials by arc added materials

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Embodiment 1

[0027] Embodiment 1: This embodiment relates to a method for manufacturing dissimilar aluminum alloy composite materials by arc additive manufacturing. Taking arc additive manufacturing of composite aluminum alloy plates as an example, the following steps are included;

[0028] (1) The substrate material is 6061 aluminum alloy, and the surface is cleaned with acetone solution. The wire material is 4043 and 5356 welding wire, the diameter of the welding wire is 1.2mm, the protective gas flow is 18L / min, and the purity of argon is 99.99%. 5356 layer wire feeding speed 5.6m / min, welding torch walking speed 3.5mm / s;

[0029] (2) Oil cloth protective cover during deposition to ensure inert gas atmosphere;

[0030] (3) Deposit 4043 welding wire on the 6061 aluminum alloy plate, then deposit 5356 welding wire on the 4043 deposition layer, and the height between layers is 3mm;

[0031] (4) After testing, it is found that the hardness value of the composite material is about 70HV, th...

Embodiment 2

[0032] Embodiment 2: This embodiment relates to a method for manufacturing dissimilar aluminum alloy composite materials by arc additive manufacturing, taking arc additive manufacturing of composite aluminum alloy plates as an example, including the following steps;

[0033] (1) The substrate material is 6061 aluminum alloy, and the surface is cleaned with acetone solution. The wire material is 4043 and 5356 welding wire, the diameter of the welding wire is 1.2mm, the protective gas flow is 18L / min, and the purity of helium is 99.99%. 5356 layer wire feeding speed 5.6m / min, welding torch walking speed 3.5mm / s;

[0034] (2) Oil cloth protective cover during deposition to ensure inert gas atmosphere;

[0035] (3) Deposit 4043 welding wire on the 6061 aluminum alloy plate, then deposit 5356 welding wire on the 4043 deposition layer, and the height between layers is 3mm;

[0036] (4) After testing, it is found that the hardness value of the composite material is about 70HV, the ...

Embodiment 3

[0037] Embodiment 3: This embodiment relates to a method for manufacturing dissimilar aluminum alloy composite materials by arc additive manufacturing, taking arc additive manufacturing of composite aluminum alloy plates as an example, including the following steps;

[0038] (1) The substrate material is 6061 aluminum alloy, and the surface is cleaned with acetone solution. The wire material is 4043 and 5356 welding wire, the diameter of the welding wire is 1.2mm, the protective gas flow is 18L / min, and the purity of argon is 99.99%. 5356 layer wire feeding speed 5.6m / min, welding torch walking speed 3.5mm / s;

[0039] (2) Oil cloth protective cover during deposition to ensure inert gas atmosphere;

[0040] (3) Deposit the 5356 welding wire on the 6061 aluminum alloy plate, and then deposit the 4043 welding wire on the 5356 deposition layer, and the height between layers is 3mm;

[0041] (4) After testing, it is found that the hardness value of the composite material is about...

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Abstract

The invention relates to a method for manufacturing dissimilar aluminum alloy composite materials by arc added materials. The manufacturing method comprises the following steps: (1) aluminum alloy substrates are selected; 4043 aluminum alloy wires and 5356 aluminum alloy wires are adopted; (2) aluminum alloy composite materials are prepared and stacked layer by layer through a CMT+Advanced process; and (3) the added material manufacturing process is performed in an inertia gas atmosphere; inertia gas is helium or argon; layer-by-layer stacking is mutual superposition and deposition of the 4043aluminum alloy wires and the 5356 aluminum alloy wires in sequence; and the aluminum alloy stacking process is finished through alternate wire discharge by double gun heads.

Description

technical field [0001] The invention relates to the field of aluminum alloy additive manufacturing, in particular to a method for arc additive manufacturing of dissimilar aluminum alloy composite materials. Background technique [0002] Additive manufacturing is a 3D printing technology that has seen rapid growth in applications such as design and prototyping, low-volume production manufacturing, and more. Additive manufacturing can be used to fabricate functional parts from computer 3D software, which are then segmented into discrete layers and translated into toolpaths for the print head. Components of varying size and complexity can be additively manufactured for a variety of purposes, such as for sustainable construction, prototyping of fuel nozzles for aircraft jet engines, consumer products, scientific equipment, and tool and machine inserts. [0003] Metal additive manufacturing methods are used industrially, mainly including laser sintering and melting, and electron...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/04B23K9/16B23K9/23B23K9/32
CPCB23K9/04B23K9/16B23K9/23B23K9/32
Inventor 王远杨尚磊刘浩博谢超杰张琪段晨风熊琦顾佳星
Owner SHANGHAI UNIV OF ENG SCI
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