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WC/Fe-based argon arc cladding alloy powder

A technology of argon arc cladding and alloy powder, which is applied in the field of materials to achieve the effects of low cost, wide use and good comprehensive performance

Inactive Publication Date: 2016-12-14
CHANGSHU INSTITUTE OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, ordinary wear-resistant materials in the past have been difficult to keep up with the high-speed pace of modern industrial production applications, so it is necessary to develop composite materials with better performance

Method used

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  • WC/Fe-based argon arc cladding alloy powder
  • WC/Fe-based argon arc cladding alloy powder
  • WC/Fe-based argon arc cladding alloy powder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] WC / Fe-based alloy powder for argon arc cladding, in terms of mass percentage, its composition ratio is: 20% high-carbon ferrochromium, 2% high-carbon ferromanganese, 45% WC powder, and the balance is iron and unavoidable Impurities.

[0032] Pour the above-mentioned powder raw materials into a mortar, grind until the alloy powder is uniform, add a little water glass as a binder, wet mix the alloy powder, and evenly coat the surface of the preset block, let it dry in the shade for 24 hours, then Put it into a drying oven, heat up to 100-150°C, and dry for 2-4 hours; set up an argon arc welding machine for cladding, adjust the cladding current to 120A, argon gas flow rate to 8L / min, and speed to 120mm / min; After the cladding is completed, relevant inspections are carried out on the coating.

Embodiment 2

[0034] WC / Fe-based alloy powder for argon arc cladding, in terms of mass percentage, its composition ratio is: 16% high-carbon ferrochromium, 1.5% high-carbon ferromanganese, 50% WC powder, and the balance is iron and unavoidable Impurities.

[0035] Mill the above powder raw materials with a ball mill for 2 to 8 minutes, add a little water glass as a binder, wet mix the alloy powder, and evenly coat the surface of the preset block, let it dry in the shade for 24 hours, and then put it in the oven. In the box, heat up to 100-150°C and dry for 2-4 hours; set up an argon arc welding machine for cladding, adjust the cladding current to 120A, argon gas flow rate to 12L / min, and speed to 120mm / min; after cladding is completed , after the surface is slightly polished, the relevant inspection is carried out on the coating.

Embodiment 3

[0037] WC / Fe-based alloy powder for argon arc cladding, in terms of mass percentage, its composition ratio is: high-carbon ferrochrome 13%, high-carbon ferromanganese 1.5%, WC powder 55%, the balance is iron and unavoidable Impurities.

[0038] Pour the above-mentioned powder raw materials into a mortar, grind until the alloy powder is uniform, add a little water glass as a binder, wet mix the alloy powder, and evenly coat the surface of the preset block, let it dry in the shade for 24 hours, then Put it into a drying oven, heat up to 100-150°C, and dry for 2-4 hours; set up an argon arc welding machine for cladding, adjust the cladding current to 120A, argon gas flow rate to 8L / min, and speed to 120mm / min; After the cladding is completed, relevant inspections are carried out on the coating.

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Abstract

The invention belongs to the technical field of materials, and discloses a WC / Fe-based argon arc cladding alloy powder which is composed of, by weight, 10-20% of high carbon-chromium iron powder, 1-3% of high carbon-manganese iron powder, 45-60% of WC powder and the balance iron powder. After the WC / Fe-based argon arc cladding alloy powder is clad, the hardness of a base material is not obviously changed, and the hardness variation of a cladding layer is large. The hardness of the base material-interface joint-cladding layer is improved stably, that is, the hardness of the surface cladding layer is highest, and the surface hardness is between 400 HV and 900 HV.

Description

technical field [0001] The invention belongs to the technical field of materials, and in particular relates to an alloy powder for strengthening the surface of metal components with high hardness and wear resistance, in particular to an alloy powder with high hardness and wear resistance for iron-based argon arc cladding. Background technique [0002] With the rapid development of modern industry, the wear and tear of mechanical parts is also very serious, mainly manifested as wear and corrosion, so the demand for the strength, wear resistance and corrosion resistance of the surface of parts is becoming higher and higher. Due to wear and tear caused energy loss of about 33.3% to 50%. In order to reduce the consumption of consumable materials and prolong the service life of parts, it is necessary to apply wear-resistant materials. However, ordinary wear-resistant materials in the past have been difficult to keep up with the high-speed pace of modern industrial production app...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C24/10C22C29/08C22C38/04C22C38/18C22C38/12B22F1/00
CPCC23C24/103B22F1/0003C22C29/067C22C29/08C22C38/04C22C38/12C22C38/18
Inventor 刘万辉鲍爱莲
Owner CHANGSHU INSTITUTE OF TECHNOLOGY
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