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Cladding powder for improving wear resistance of nickel-based laser cladding layer and preparation method of cladding powder

A laser cladding and wear-resistant technology, which is applied in the field of cladding powder and cladding powder preparation to improve the wear resistance of the nickel-based laser cladding layer, to achieve the effects of reducing porosity, enhancing flow, and protecting the ecological environment

Pending Publication Date: 2022-05-24
XIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The development of wear-resistant nickel alloys in my country started relatively late compared with western countries, but with the rapid development of society and industry in my country, wear-resistant nickel-based alloys have been widely used in domestic industrial production, but their composition design and process are still It is the short board of our country, and there is a big gap with the western developed countries

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  • Cladding powder for improving wear resistance of nickel-based laser cladding layer and preparation method of cladding powder

Examples

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Comparison scheme
Effect test

Embodiment 1

[0036] The raw material composition of a laser cladding powder for improving the wear resistance of an Inconel 625 nickel-based laser cladding layer is: Inconel 625-XWC nickel-based alloy, wherein X=5wt.%.

[0037] The preparation steps and experimental operations are as follows:

[0038] Step 1, use the QM-3SP2 planetary ball mill to mechanically mix the ratio by 600g, set the ball-to-material ratio to 1:5, the rotational speed to 350rpm, and the set time to 60min, in which forward rotation and reverse rotation account for half;

[0039] Step 2, using a drying box to dry the nickel-based alloys with different gradients after mechanical mixing respectively, set the temperature to 160 ° C, and dry for 30 min;

[0040] Step 3: Use ISDL-3008 fiber input semiconductor laser for laser cladding, and rub the clad layer at room temperature under low load (5N) and under high load (10N), and rub the grinding disc and sample before and after the experiment. Ultrasonic cleaning and weigh...

Embodiment 2

[0043] The raw material composition of a laser cladding powder for improving the wear resistance of an Inconel 625 nickel-based laser cladding layer is: Inconel 625-XWC nickel-based alloy, wherein X=10wt.%.

[0044] The preparation steps and experimental operations are as follows:

[0045] Step 1, use the QM-3SP2 planetary ball mill to mechanically mix the ratio by 600g, set the ball-to-material ratio to 1:5, the rotational speed to 350rpm, and the set time to 60min, in which forward rotation and reverse rotation account for half;

[0046]Step 2, using a drying box to dry the nickel-based alloys with different gradients after mechanical mixing respectively, setting the temperature to 160°C, and drying for 1 hour;

[0047] Step 3: Use ISDL-3008 fiber input semiconductor laser for laser cladding, and rub the clad layer at room temperature under low load (5N) and under high load (10N), and rub the grinding disc and sample before and after the experiment. Ultrasonic cleaning and ...

Embodiment 3

[0050] The raw material composition of a laser cladding powder for improving the wear resistance of an Inconel 625 nickel-based laser cladding layer is: Inconel 625-XWC nickel-based alloy, wherein X=15wt.%.

[0051] The preparation steps and experimental operations are as follows:

[0052] Step 1, use the QM-3SP2 planetary ball mill to mechanically mix the ratio by 500g, set the ball-to-material ratio to 1:5, the rotating speed to 350rpm, and the setting time to 60min, in which forward rotation and reverse rotation account for half;

[0053] Step 2, using a drying box to dry the nickel-based alloys with different gradients after mechanical mixing respectively, setting the temperature to 160°C, and drying for 1 hour;

[0054] Step 3: Use ISDL-3008 fiber input semiconductor laser for laser cladding, and rub the clad layer at room temperature under low load (5N) and under high load (10N), and rub the grinding disc and sample before and after the experiment. Ultrasonic cleaning a...

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Abstract

The invention discloses cladding powder for improving wear resistance of a nickel-based laser cladding layer, which is characterized in that Inconel 625-XWC nickel-based alloys with different gradients are designed according to mass percent, and X is equal to 5, 10, 15 and 20 wt.%; the invention further discloses a preparation method of the cladding powder for improving the wear resistance of the nickel-based laser cladding layer, by designing Inconel 625-XWC nickel-based alloy with different gradients, the wear resistance of the alloy cladding layer is effectively improved, a WC ceramic phase can enhance flowing of fluid in a welding pool, then defects are improved, the porosity is reduced, and the wear resistance of the nickel-based laser cladding layer is improved. Therefore, the service life of the base body is greatly prolonged, the production cost can be reduced, resources are saved, and the environment is protected.

Description

technical field [0001] The invention belongs to the technical field of superalloy strengthening, and in particular relates to a cladding powder for improving the wear resistance of a nickel-based laser cladding layer. [0002] The invention also relates to a preparation method of the cladding powder for improving the wear resistance of the nickel-based laser cladding layer. Background technique [0003] With the rapid development of society and modern industry, traditional single metal materials have been unable to meet the practical application needs of contemporary industry. However, steel materials are still an indispensable part of today's industrialization, among which low-alloy steel accounts for up to 30% of industrial production and use, and the service life of low-alloy steel has a great relationship with its service environment. Today, surface engineering technology can effectively solve this situation. Inconel 625 has excellent high temperature performance and go...

Claims

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Application Information

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IPC IPC(8): C23C24/10B22F1/12C22C19/05C22C32/00
CPCC23C24/103C22C19/056C22C32/0052Y02P10/25
Inventor 张敏高俊朱子越王新宝郜雅彦雷龙宇
Owner XIAN UNIV OF TECH
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