LU600628B1 - Laser Cladding Material Based on Ni60AA and Its Preparation Method - Google Patents

Laser Cladding Material Based on Ni60AA and Its Preparation Method

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Publication number
LU600628B1
LU600628B1 LU600628A LU600628A LU600628B1 LU 600628 B1 LU600628 B1 LU 600628B1 LU 600628 A LU600628 A LU 600628A LU 600628 A LU600628 A LU 600628A LU 600628 B1 LU600628 B1 LU 600628B1
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Luxembourg
Prior art keywords
laser cladding
material based
laser
nigoaa
powder
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LU600628A
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German (de)
Inventor
Gaosong Li
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Univ Huanghuai
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Priority to LU600628A priority Critical patent/LU600628B1/en
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Publication of LU600628B1 publication Critical patent/LU600628B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/20—Direct sintering or melting
    • B22F10/25—Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/34—Laser welding for purposes other than joining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—Selection of soldering or welding materials proper
    • B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
    • B23K35/3033—Ni as the principal constituent
    • B23K35/304—Ni as the principal constituent with Cr as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0433—Nickel- or cobalt-based alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/05—Mixtures of metal powder with non-metallic powder
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/10—Alloys containing non-metals
    • C22C1/1084—Alloys containing non-metals by mechanical alloying (blending, milling)
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/058—Alloys based on nickel or cobalt based on nickel with chromium without Mo and W
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B22F2009/043—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by ball milling

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)

Abstract

The invention discloses a laser cladding material based on Ni60AA and a preparation method thereof, and belongs to the technical field of metal materials and surface engineering. According to the mass percentage, the raw materials of the laser cladding material based on Ni60AA are: 30-40% of chromium carbide powder, 5-8% of nano- silicon particles, 3-5% of molybdenum metal powder and the balance of Ni60AA alloy powder. The scientific combination of the above raw materials, especially the proper addition of nano-silicon and molybdenum metal powder, not only improves the dispersion uniformity of chromium carbide, but also significantly enhances the hardness, toughness, wear resistance and thermal stability of the cladding layer, which makes the laser cladding material perform well under complex stress conditions and high wear environment, and broadens its application range in high-end equipment manufacturing, automobile parts and other field.

Description

DESCRIPTION LU600628
LASER CLADDING MATERIAL BASED ON NIGOAA AND ITS PREPARATION
METHOD
TECHNICAL FIELD
The invention relates to the technical field of metal materials and surface engineering, in particular to a laser cladding material based on Ni6OAA and its preparation method.
BACKGROUND
Laser cladding is an advanced surface modification technology, which uses a high power density laser beam to instantly heat powder materials to a molten state and quickly solidify to form a metallurgical bonding layer. Compared with traditional thermal spraying, surfacing and other processes, laser cladding has the characteristics of concentrated energy, small heat affected zone, less deformation, and may realize the processing of complex shaped workpieces, which shows great advantages in improving the surface properties of parts. In recent years, with the continuous improvement of laser power and the maturity of automatic control system, laser cladding technology has gradually moved from laboratory research to industrial application, and has become one of the effective means to solve the surface strengthening problem of key components in high-end equipment manufacturing.
NISOAA is a common nickel-based self-fluxing alloy powder, and its main components include elements such as nickel, chromium, boron and silicon. It has good high temperature strength, thermal shock resistance and oxidation resistance, and is widely used in the repair and protection of parts working in various harsh environments.
However, when NI60AA is used as cladding material alone, its hardness, wear resistance and corrosion resistance still have some limitations, and it is difficult to meet the harsh requirements under some special working conditions. In order to further improve the coating performance, researchers began to explore adding other alloy elements or hard phase particles on the basis of NIGOAA to build a composite cladding layer.
In recent years, scholars at home and abroad have done a lot of research work on the modification of NIGOAA alloy and achieved a series of important results. For example: 099628 (1) By adding a proper amount of light metal elements such as titanium (Ti) and aluminum (Al) to NiGOAA alloy, the grain is refined and the comprehensive mechanical properties of the coating are improved. (2) The hard phase particles such as tungsten carbide (WC) and silicon nitride (SisN4) may be uniformly distributed in the molten pool during cladding, and form a firm metallurgical bonding interface with the substrate. This not only improves the hardness and wear resistance of the coating, but also enhances its corrosion resistance. Although Ni60AA-based laser cladding materials have many advantages in theory, they still face the following challenges in practical application: (1) In the process of cladding, hard phase ions are easy to agglomerate, which leads to uneven distribution in the coating and affects the coating performance. (2) Because of the great difference in thermal expansion coefficient between hard phase particles and NiGOAA matrix, defects such as pores and cracks are easy to occur during the cooling process, which reduces the coating quality.
To sum up, although the existing technology has made some progress in the research and development and application of NIGOAA-based laser cladding materials, there are still many shortcomings. Therefore, it is of great significance to develop an efficient and stable laser cladding material based on Ni6OAA and its preparation method for promoting the progress of laser cladding technology and improving the surface properties of key parts.
SUMMARY
The purpose of the invention is to provide a laser cladding material based on Ni60OAA and its preparation method, so as to solve the problems existing in the prior art.
In order to achieve the above objectives, the invention provides the following scheme:
The first technical scheme of the invention: a laser cladding material based on
NISOAA, according to the mass percentage, the raw materials include: 30-40% of chromium carbide powder, 5-8% of nano-silicon particles, 3-5% of molybdenum metal powder and the balance of NiGOAA alloy powder.
Further, according to the mass percentage, the NIGOAA alloy powder includes the following components: 0.4-0.9% of C, 13-17% of Cr, 3.2-4.8% of Si, 2.5-4.0% of B, 8.0% or less of Fe and the balance of Ni.
Further, the granularity of the nano-silicon particles is less than or equal to 200 meshes. LU600628
Further, the particle size of the chromium carbide powder is 300 meshes.
The second technical scheme of the invention: a preparation method of a laser cladding material based on NIGO0AA includes the following step: weighing chromium carbide powder, nano-silicon particles, molybdenum metal powder and Ni60OAA alloy powder according to the mass ratio, ball milling until they are evenly mixed, and then drying to remove water, so as to obtain the laser cladding material based on NiGOAA.
The third technical scheme of the invention: an application of laser cladding material based on Ni60AA in laser cladding preparation of cladding layer.
The forth technical scheme of the invention: a method for preparing a cladding layer by laser cladding of a laser cladding material based on NiGO0AA, includes the following step: the laser cladding material based on Ni60OAA according to claim 1 is transported to the surface of the substrate for laser cladding to obtain the cladding layer.
Further, the matrix is Cri2Mov die steel.
Further, the parameters of laser cladding include: spot diameter 2.5mm, powder feeding pressure 0.3MPa, carrier gas flow rate 600L/h, protective gas pressure 0.1MPa, laser wavelength 1.07-1.08 um, laser power 700W and scanning speed 2 mm/s.
The fifth technical scheme of the invention: a cladding layer obtained by laser cladding by the above methods
The invention discloses the following technical effects:
The invention provides a laser cladding material based on NiGOAA, which includes the following raw materials: 30-40% of chromium carbide powder, 5-8% of nano silicon particles, 3-5% of molybdenum metal powder and the balance of Ni6OAA alloy powder.
As the main hard phase component, chromium carbide powder significantly improves the hardness and wear resistance of cladding layer. The addition of nano-silicon particles and molybdenum metal powder effectively promotes the dispersion uniformity of chromium carbide particles in Ni6OAA alloy matrix. Nano-silicon particles may be used as an effective dispersant to reduce the agglomeration of chromium carbide particles because of its tiny size effect, while molybdenum metal powder further promotes the uniform dispersion of chromium carbide because of its good wettability and compatibility with chromium carbide and Ni60AA alloy, thus improving the uniformity and stability of the whole material.
Moreover, the addition of nano-silicon particles not only improves the dispersibility of chromium carbide, but also enhances the compactness and strength of the material py 099628 refining the microstructure of the cladding layer. Silicon element may form solid solution strengthening or precipitate strengthening phase during cladding, which further improves the hardness and deformation resistance of the material. 3-5% molybdenum metal powder not only contributes to the uniform dispersion of chromium carbide, but also may significantly improve the hardness and toughness of the cladding layer as a metal element with high strength and high melting point, especially in high temperature environment, and enhance the thermal stability and thermal fatigue resistance of the material; in addition, the addition of molybdenum metal powder may effectively reduce the difference of thermal expansion coefficient between chromium carbide powder and Ni60OAA matrix, and reduce the risk of defects such as pores and cracks during cooling. To sum up, the scientific combination of the above raw materials, especially the proper addition of nano- silicon and molybdenum metal powder, not only improves the dispersion uniformity of chromium carbide, but also significantly enhances the hardness, toughness, wear resistance and thermal stability of the cladding layer, which makes the laser cladding material perform well under complex stress conditions and high wear environment, and broadens its application range in high-end equipment manufacturing, automobile parts and other fields.
DESCRIPTION OF THE INVENTION
A number of exemplary embodiments of the present invention will now be described in detail, and this detailed description should not be considered as a limitation of the present invention, but should be understood as a more detailed description of certain aspects, characteristics and embodiments of the present invention. Intermediate values within any stated value or stated range, as well as each smaller range between any other stated value or intermediate values within the stated range are also included in the present invention. The upper and lower limits of these smaller ranges may be independently included or excluded from the range.
Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention relates. Although the present invention only describes the preferred methods and materials, any methods and materials similar or equivalent to those described herein may also be used in the practice or testing of the present invention.
All documents mentioned in this specification are incorporated by reference to disclose and describe methods and/or materials related to the documents. In case of 000628 conflict with any incorporated document, the contents of this specification shall prevail.
It is obvious to those skilled in the art that many improvements and changes may be made to the specific embodiments of the present invention without departing from the scope or spirit of the present invention. Other embodiments will be apparent to the skilled person from the description of the invention. The description and example of that present invention are exemplary only.
The terms "including", "comprising", "having" and "containing" used in this article are all open terms, which means including but not limited to.
The raw materials used in the following examples and comparative examples are all common commercial products, in which the particle size of chromium carbide powder is 300 mesh and the particle size of nano-silicon particles is 200 mesh; the size of matrix
CrioMov die steel is 10 mmx 7 mmx 6 mm; The composition of NIGOAA alloy powder is:
C 0.5wt%, Cr 15wt%, Si 4.0wt%, B 3.0wt%, Fe 6.0wt% and the balance Ni.
Embodiment 1 (1) Preparation of laser cladding materials based on NiGOAA
Weighing chromium carbide powder, nano silicon particle, molybdenum metal powder and NiG0AA alloy powder according to that mass ratio of 30wt% of chromium carbide powder, 5wt% of nano silicon particles, 3wt% of molybdenum metal powder and the balance of NIGOAA alloy powder, ball milling at 200rpm for 4 hours (the ratio of ball to material is 3:1), then drying at 100°C for 2 hours to remove water, and the laser cladding material based on Ni6OAA is obtained. (2) Laser cladding of laser cladding material based on NiGOAA is used to prepare cladding layer
Laser cladding is carried out on the surface of the matrix CrioMov die steel, specifically, the 6-axis KUKA robot arm KR30 is used to drive the PERCITECYC52 cladding head for laser cladding. The laser is provided by IPG fiber laser YLR-3000, and the powder of laser cladding material based on NiGOAA is delivered to the surface of the matrix by FHPF-10 synchronous powder feeder. During laser cladding, the spot diameter is 2.5mm, the powder feeding pressure (N2) is 0.3MPa, the carrier gas flow rate is 600L/h, the protective pressure (N2) is 0.1MPa, the laser wavelength is 1.07 u m, the laser power is 700W, and the scanning speed is 2 mm/s. After laser cladding, a cladding layer with a thickness of 3mm is obtained.
The microhardness of the cladding layer is tested by HV-1000 microhardness tester, and the applied load is 100g and the duration is 10 s. The microhardness of the cladding 079928 layer is 930HV.
Embodiment 2 (1) Preparation of laser cladding materials based on NIGOAA
Weighing chromium carbide powder, nano silicon particle, molybdenum metal powder and NiG0AA alloy powder according to that mass ratio of 35wt% of chromium carbide powder, 7wt% of nano silicon particles, 4wt% of molybdenum metal powder and the balance of NIGOAA alloy powder, ball milling at 200rpm for 4 hours (the ratio of ball to material is 3:1), then drying at 100°C for 2 hours to remove water, and the laser cladding material based on Ni6OAA is obtained. (2) Laser cladding of laser cladding material based on NiGOAA is used to prepare cladding layer
Laser cladding is carried out on the surface of the matrix CrioMov die steel, specifically, the 6-axis KUKA robot arm KR30 is used to drive the PERCITECYC52 cladding head for laser cladding. The laser is provided by IPG fiber laser YLR-3000, and the powder of laser cladding material based on NiGOAA is delivered to the surface of the matrix by FHPF-10 synchronous powder feeder. During laser cladding, the spot diameter is 2.5mm, the powder feeding pressure (N2) is 0.3MPa, the carrier gas flow rate is 600L/h, the protective pressure (N2) is 0.1MPa, the laser wavelength is 1.07 um, the laser power is 700W, and the scanning speed is 2 mm/s. After laser cladding, a cladding layer with a thickness of 3mm is obtained. The microhardness of the cladding layer is tested by HV- 1000 microhardness tester, and the applied load is 100g and the duration is 10 s. The microhardness of the cladding layer is 960HV.
Embodiment 3 (1) Preparation of laser cladding materials based on NiGOAA
Weighing chromium carbide powder, nano silicon particle, molybdenum metal powder and NiG0AA alloy powder according to that mass ratio of 40wt% of chromium carbide powder, 8wt% of nano silicon particles, 5wt% of molybdenum metal powder and the balance of Ni6OAA alloy powder, ball milling at 200rpm for 4 hours (the ratio of ball to material is 3:1), then drying at 100°C for 2 hours to remove water, and the laser cladding material based on Ni6OAA is obtained.
(2) Laser cladding of laser cladding material based on NiGOAA is used to prepare cladding layer 7600628
Laser cladding is carried out on the surface of the matrix CrioMov die steel, specifically, the 6-axis KUKA robot arm KR30 is used to drive the PERCITECYC52 cladding head for laser cladding. The laser is provided by IPG fiber laser YLR-3000, and the powder of laser cladding material based on NiGOAA is delivered to the surface of the matrix by FHPF-10 synchronous powder feeder. During laser cladding, the spot diameter is 2.5mm, the powder feeding pressure (N2) is 0.3MPa, the carrier gas flow rate is 600L/h, the protective pressure (N2) is 0.1MPa, the laser wavelength is 1.07 um, the laser power is 700W, and the scanning speed is 2 mm/s. After laser cladding, a cladding layer with a thickness of 3mm is obtained. The microhardness of the cladding layer is tested by HV- 1000 microhardness tester, and the applied load is 100g and the duration is 10 s. The microhardness of the cladding layer is 910HV.
Comparative example 1 (1) Preparation of laser cladding materials based on NIGOAA
Weighing chromium carbide powder, molybdenum metal pow and Ni6OAA alloy powder according to that mass ratio of 30wt% of chromium carbide pow, 3wt% of molybdenum metal powder and the balance of NiGOAA alloy powder, ball milling at 200rpm for 4 hours (the ratio of ball to material is 3:1), then drying at 100°C for 2 hours to remove water, and the laser cladding material based on Ni6OAA is obtained. (2) Laser cladding of laser cladding material based on NiGOAA is used to prepare cladding layer
Laser cladding is carried out on the surface of the matrix CrioMov die steel, specifically, the 6-axis KUKA robot arm KR30 is used to drive the PERCITECYC52 cladding head for laser cladding. The laser is provided by IPG fiber laser YLR-3000, and the powder of laser cladding material based on NiGOAA is delivered to the surface of the matrix by FHPF-10 synchronous powder feeder. During laser cladding, the spot diameter is 2.5mm, the powder feeding pressure (N2) is 0.3MPa, the carrier gas flow rate is 600L/h, the protective pressure (N2) is 0.1MPa, the laser wavelength is 1.07 um, the laser power is 700W, and the scanning speed is 2 mm/s. After laser cladding, a cladding layer with a thickness of 3mm is obtained. The microhardness of the cladding layer is tested by HV- 1000 microhardness tester, and the applied load is 100g and the duration is 10 s. The microhardness of the cladding layer is 800HV.
Comparative example 2 (1) Preparation of laser cladding materials based on NIGOAA 7600628
Weighing chromium carbide powder, molybdenum metal pow and Ni6OAA alloy powder according to that mass ratio of 30wt% of chromium carbide pow, 5wt% of molybdenum metal powder and the balance of NiGOAA alloy powder, ball milling at 200rpm for 4 hours (the ratio of ball to material is 3:1), then drying at 100°C for 2 hours to remove water, and the laser cladding material based on Ni6OAA is obtained. (2) Laser cladding of laser cladding material based on NiGOAA is used to prepare cladding layer
Laser cladding is carried out on the surface of the matrix CrioMov die steel, specifically, the 6-axis KUKA robot arm KR30 is used to drive the PERCITECYC52 cladding head for laser cladding. The laser is provided by IPG fiber laser YLR-3000, and the powder of laser cladding material based on NiGOAA is delivered to the surface of the matrix by FHPF-10 synchronous powder feeder. During laser cladding, the spot diameter is 2.5mm, the powder feeding pressure (N2) is 0.3MPa, the carrier gas flow rate is 600L/h, the protective pressure (N2) is 0.1MPa, the laser wavelength is 1.07 um, the laser power is 700W, and the scanning speed is 2 mm/s. After laser cladding, a cladding layer with a thickness of 3mm is obtained. The microhardness of the cladding layer is tested by HV- 1000 microhardness tester, and the applied load is 100g and the duration is 10 s. The microhardness of the cladding layer is 840HV.
The above-mentioned embodiments only describe the preferred mode of the invention, and do not limit the scope of the invention. Under the premise of not departing from the design spirit of the invention, various modifications and improvements made by ordinary technicians in the field to the technical scheme of the invention shall fall within the protection scope determined by the claims of the invention.

Claims (10)

CLAIMS LU600628
1. A laser cladding material based on NIGOAA, characterized in that according to the mass percentage, the raw materials comprise: 30-40% of chromium carbide powder, 5- 8% of nano-silicon particles, 3-5% of molybdenum metal powder and the balance of NISOAA alloy powder.
2. The laser cladding material based on NiGOAA according to claim 1, characterized in that according to the mass percentage, the NiGOAA alloy powder comprises the following components: 0.4-0.9% of C, 13-17% of Cr, 3.2-4.8% of Si, 2.5-4.0% of B, 8.0% or less of Fe and the balance of Ni.
3. The laser cladding material based on NiGOAA according to claim 1, characterized in that the granularity of the nano-silicon particles is less than or equal to 200 meshes.
4. The laser cladding material based on NiGOAA according to claim 1, characterized in that the particle size of the chromium carbide powder is 300 meshes.
5. A preparation method of a laser cladding material based on NiGOAA according to claim 1, characterized in that the method comprises the following step: weighing chromium carbide powder, nano-silicon particles, molybdenum metal powder and Ni60OAA alloy powder according to the mass ratio, ball milling until they are evenly mixed, and then drying to remove water, so as to obtain the laser cladding material based on NiGOAA.
6. An application of laser cladding material based on NiGOAA in laser cladding preparation of cladding layer according to claim 1.
7. A method for preparing a cladding layer by laser cladding of a laser cladding material based on NiBOAA, characterized in that the method comprises the following step: the laser cladding material based on Ni60OAA according to claim 1 is transported to the surface of the substrate for laser cladding to obtain the cladding layer.
8. The method according to claim 7, characterized in that the matrix is Cri2Mov die steel.
. . . . LU600628
9. The method according to claim 7, characterized in that the parameters of laser cladding include: spot diameter 2.5mm, powder feeding pressure 0.3MPa, carrier gas flow rate 600L/h, protective gas pressure 0.1MPa, laser wavelength 1.07-1.08 um, laser power 700W and scanning speed 2 mm/s.
10. A cladding layer obtained by laser cladding according to the method of claim 7.
LU600628A 2025-03-18 2025-03-18 Laser Cladding Material Based on Ni60AA and Its Preparation Method LU600628B1 (en)

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