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Carbide-reinforced nickel-based welding wire for laser cladding and preparation method

A technology of laser cladding and carbide, applied in welding equipment, welding media, manufacturing tools, etc., can solve the problems of no welding wire, etc., and achieve the effects of low manufacturing cost, broadened application range, and high material utilization rate

Active Publication Date: 2021-07-02
XIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the lateral wire feeding systems are used for laser cladding, and there is no special welding wire for the wire feeding laser cladding system, and most of them use the existing welding wires for fusion welding

Method used

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  • Carbide-reinforced nickel-based welding wire for laser cladding and preparation method
  • Carbide-reinforced nickel-based welding wire for laser cladding and preparation method

Examples

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preparation example Construction

[0032] The present invention also provides a method for preparing a carbide-reinforced nickel-based welding wire for laser cladding. The specific steps are as follows:

[0033] Step 1: Weigh the following raw drug powders according to mass percentage: C powder 0.5-1.0%, Cr powder 10.0-30.0%, ferrosilicon 5.0-10.0%, B powder 3.0-9.0%, ZrO 2 Powder 5.0~10.0%, Ce 2 o 3 Powder 1.0~3.0%, the balance is Ni, the sum of the mass percentages of the above components is 100%;

[0034] In step 1, each raw drug powder (C powder, Cr powder, ferrosilicon powder, B powder, ZrO powder) that takes by weighing 2 Powder, Ce 2 o 3 Powder and Ni powder) have a particle size of 100-200 mesh;

[0035] Step 2: Put the raw drug powder weighed in step 1 into a vacuum heating furnace for heating at a heating temperature of 260-320°C and a holding time of 3-4 hours to remove the crystal water in the drug powder; place the dried drug powder in a mixing Fully mix in the powder machine, the mixing time...

Embodiment 1

[0041] Step 1: Take the following raw drug powders by mass percentage: C powder 0.5%, Cr powder 10.0%, ferrosilicon 5.0%, B powder 3.0%, ZrO 2 Powder 5.0%, CeO2 Powder 1.0%, the balance is Ni, the sum of the mass percentages of the above components is 100%;

[0042] In step 1, each raw drug powder (C powder, Cr powder, ferrosilicon powder, B powder, ZrO powder) that takes by weighing 2 Powder, Ce 2 o 3 Powder and Ni powder) have a particle size of 100 mesh;

[0043] Step 2: Put the powder weighed in step 1 into a vacuum heating furnace for heating at a temperature of 260°C and a holding time of 3 hours to remove the crystal water in the powder; place the dried powder in a powder mixer Carry out sufficient mixing, the mixing time is 2h;

[0044] Step 3: The welding skin is a pure nickel strip. Use alcohol to remove the grease on the surface of the pure nickel strip. Use the flux-cored wire drawing equipment to wrap the powder prepared in step 2 in the pure nickel strip. The...

Embodiment 2

[0051] Step 1: Take the following raw drug powders by mass percentage: C powder 1.0%, Cr powder 30.0%, ferrosilicon 10.0%, B powder 9.0%, ZrO 2 Powder 10.0%, CeO 2 Powder 3.0%, the balance is Ni, the sum of the mass percentages of the above components is 100%.

[0052] In step 1, each raw drug powder (C powder, Cr powder, ferrosilicon powder, B powder, ZrO powder) that takes by weighing 2 Powder, Ce 2 o 3 Powder and Ni powder) have a particle size of 200 mesh;

[0053] Step 2: Put the powder weighed in step 1 into a vacuum heating furnace for heating at a heating temperature of 300°C and a holding time of 3 hours to remove the crystal water in the powder; place the dried powder in a powder mixer Carry out sufficient mixing, the mixing time is 2h;

[0054] Step 3: The welding skin is a pure nickel strip. Use alcohol to remove the grease on the surface of the pure nickel strip. Use the flux-cored wire drawing equipment to wrap the powder prepared in step 2 in the pure nicke...

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Abstract

The invention discloses a carbide-reinforced nickel-based welding wire for laser cladding. The carbide-reinforced nickel-based welding wire comprises a flux core and a welding scale, wherein the flux core is composed of the following components including, by mass, 0.5%-1.0% of C powder, 10.0%-30.0% of Cr powder, 5.0%-10.0% of ferrosilicon powder, 3.0%-9.0% of B powder, 5.0%-10.0% of ZrO2 powder, 1.0%-3.0% of Ce2O3 powder and the balance Ni powder, and the sum of the mass percentages of the components is 100%. The welding wire is specially used for a wire feeding laser cladding system, and a cladding layer using the flux-cored wire is high in hardness and good in wear resistance. The invention further discloses a preparation method of the ZrC and Ce2C3 reinforced nickel-based welding wire for laser cladding.

Description

technical field [0001] The invention belongs to the field of metal materials, and in particular relates to a carbide-reinforced nickel-based welding wire for laser cladding, and also relates to a preparation method of the carbide-reinforced nickel-based welding wire for laser cladding. Background technique [0002] Laser cladding can significantly improve the surface properties of materials, restore the size of workpieces or repair worn materials. It has the characteristics of high efficiency, fast speed, and environmental protection. It is widely used in almost the entire machining industry. Laser cladding materials largely determine the performance of the cladding layer. Laser cladding materials can be divided into powder, wire and rod according to different shapes. Nowadays, almost all powder materials are used for laser cladding. Laser cladding can be divided into prefabricated powder feeding and powder feeding cladding according to different powder feeding methods. The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K35/368B23K35/30B23K35/02B23K35/40C22C19/05C22C30/00C23C26/02
CPCB23K35/368B23K35/304B23K35/02B23K35/406C23C26/02C22C19/058C22C30/00
Inventor 褚巧玲张林夏拓梁新宇侯旭龙陈安迪吴其霖赵鹏康王锵张敏
Owner XIAN UNIV OF TECH
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