Method for in-situ growth of graphene on metal surface based on laser and application of method
An in-situ growth and metal surface technology, applied in metal material coating process, gaseous chemical plating, coating, etc., can solve the problems of inability to provide long-term corrosion resistance, reduce economic losses and the incidence of safety accidents, Effects of reduced processing costs, excellent mechanical properties, and corrosion-resistant friction characteristics
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0046] Example 1
[0047] The highest power 2000W fiber laser was used to prepare Ni / Fe alloy transition layer on 45# steel, and the highest power 2000W fiber laser was used to prepare graphene in situ on the surface of the Ni / Fe alloy transition layer.
[0048] The preparation steps are as follows:
[0049] (1) Fiber laser preparation of nickel alloy layer
[0050] The fiber laser is used to irradiate the surface of 45# steel, the paraxial powder feeding rate is 5g / min, and the nickel powder particle size is 30μm.
[0051] The laser alloying process parameters are: the laser spot diameter is 0.5mm, the laser power is 1500W, the width of each scan track is 1mm, and the scan speed is 10mm / s.
[0052] In order to achieve the full coverage of the surface, the overlap scanning method is adopted. The second pass has a certain overlap with the first pass, and the overlap rate is 30%. In this way, a large area of Ni / Fe alloy coating is formed. Its XRD pattern And the ingredients result like ...
Example Embodiment
[0056] Example 2
[0057] A semiconductor laser with the highest power of 6000W was used to prepare a Ni / Al alloy transition layer on 6063 aluminum alloy, and a semiconductor laser with the highest power of 6000W was used to prepare graphene in situ on the surface of the Ni / Al alloy transition layer.
[0058] The preparation steps are as follows:
[0059] (1) Semiconductor laser preparation of nickel alloy layer
[0060] The semiconductor laser was used to irradiate the surface of 6063 aluminum alloy, the paraxial powder feeding rate was 10g / min, and the nickel powder particle size was 100μm.
[0061] The laser alloying process parameters are: the laser spot diameter is 3mm, the laser power is 5500W, the width of each scan track is 3mm, and the scan speed is 50mm / s.
[0062] In order to achieve the full coverage of the surface, the overlapping scanning method is adopted. The second pass has a certain overlap with the first pass, and the overlap rate is 50%. In this way, a large area of ...
Example Embodiment
[0066] Example 3
[0067] A semiconductor laser with the highest power of 4000W is used to prepare a Ni / Ti alloy transition layer on a Ti6Al4V titanium alloy, and a semiconductor laser with the highest power of 4000W is used to prepare graphene in situ on the surface of the Ni / Ti alloy transition layer.
[0068] The preparation steps are as follows:
[0069] (1) Semiconductor laser preparation of nickel alloy layer
[0070] The semiconductor laser is used to irradiate the surface of Ti6Al4V titanium alloy, the side-axis powder feeding rate is 5g / min, and the nickel powder particle size is 50μm.
[0071] The laser alloying process parameters are: the laser spot diameter is 2mm, the laser power is 3000W, the width of each scan track is 2mm, and the scanning speed is 20mm / s.
[0072] In order to achieve the full coverage of the surface, the overlapping scanning method is adopted, and the second pass has a certain overlap with the first pass, and the overlap rate is 20%. In this way, a large...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap