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Method for manufacturing Cu-based alloy cladding layer by adopting infrared laser

An infrared laser and base alloy technology, applied in metal material coating process, coating, liquid chemical plating and other directions, can solve the problems of difficult application and popularization, high cost, etc., to achieve good fluidity, low energy consumption, The effect of high electrical conductivity

Active Publication Date: 2021-10-29
JINHUA VOCATIONAL TECH COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, as far as the current situation is concerned, the cost of green and blue lasers has been high, ranging from several million to tens of millions, which is unaffordable for ordinary enterprises, and it is difficult to popularize their applications.

Method used

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  • Method for manufacturing Cu-based alloy cladding layer by adopting infrared laser
  • Method for manufacturing Cu-based alloy cladding layer by adopting infrared laser
  • Method for manufacturing Cu-based alloy cladding layer by adopting infrared laser

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Embodiment Construction

[0048] The following is attached Figure 1-4 The application is described in further detail.

[0049] The embodiment of the present application discloses a method for manufacturing a Cu-based alloy cladding layer by using an infrared laser.

[0050] S1: Select two 20mL plastic centrifuge tubes, and weigh 0.1 gram of multi-walled carbon nanotubes in each tube (the carbon nanotubes in the embodiment are prepared by chemical catalysis, with a microscopic outer diameter of 30-50nm and an average length of about 10 μm); add about 10 mL of 68% nitric acid to each centrifuge tube to immerse the carbon nanotubes, cover the tube cap and let it stand for 24 hours, then centrifuge, pour out the nitric acid, and then replace it with about 10 mL of 40% hydrofluoric acid The acid was submerged again, and after standing for 24 hours, it was centrifuged again, and the hydrofluoric acid was poured out, and deionized water was added several times for cleaning.

[0051] S2: Take two 100mL beak...

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Abstract

The invention relates to a method for manufacturing a Cu-based alloy cladding layer by adopting infrared laser. The method comprises the following steps that chemical copper plating treatment is performed on the surface of a nano reinforced material serving as a deposition substrate, and then the material is chemically plated with a metal layer with high infrared absorptivity to obtain multi-layer-coated Cu-based alloy powder; a common infrared laser is used as a heat source, and a coaxial powder feeding laser cladding technology is adopted for the multi-layer-coated Cu-based alloy powder, so that the Cu-based alloy cladding layer is prepared. According to the technical scheme, the Cu-based alloy cladding layer is processed and manufactured on the surface of a metal component by adopting infrared laser.

Description

technical field [0001] The invention relates to the field of metal material preparation, in particular to a method for manufacturing a Cu-based alloy cladding layer by using an infrared laser. Background technique [0002] Laser cladding technology - a new material preparation technology that uses high-energy laser beams for additive manufacturing. It uses the focused high-energy laser beam as a heat source to melt the metal powder particles that were originally spread on the surface of the metal substrate or fed coaxially in real time to form a molten pool. After the laser beam is removed, the molten pool solidifies rapidly, forming layers of additively manufactured alloys. Laser cladding technology can prepare materials with special functions on the surface of ordinary substrates: such as alloy layers with higher strength, harder, hard and wear-resistant, more corrosion-resistant, more conductive, etc., to improve the service life of metal components or achieve special u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F1/02C23C18/18C23C18/34C23C18/40C23C18/52C23C24/10
CPCC23C18/1893C23C18/40C23C18/34C23C18/52C23C24/106
Inventor 陈源孙学熙胡可欣杨晓红程志伟
Owner JINHUA VOCATIONAL TECH COLLEGE
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