Application of high-entropy alloy powder to laser cladding
A high-entropy alloy and laser cladding technology, applied in metal material coating process, coating and other directions, can solve the problem of difficult to exert the advantages of high-entropy alloy mechanical properties, etc., to improve the performance of cladding layer, improve wear resistance, Effects of changing performance
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment example 1
[0031] 1. Calculate the ratio of FeNiCrAlCuMnx (take x=0) high-entropy alloy powder according to the molar ratio: Fe is 20 mol%, Ni is 20 mol%, Cr is 20 mol%, Al is 20 mol%, Cu is 20 mol%, using an electronic scale Take the powder of various elements.
[0032] 2. Pour into a mortar and grind in the mortar for half an hour to mix well.
[0033] 3. Mix the prepared laser cladding powder, 92% and 8% ethanol into a paste or paste, and coat it on the surface of 42CrMo steel with a pre-set layer thickness of 1mm, air-dry and then perform laser cladding.
[0034] 4. The laser adopts JK2003SM type Nd:YAG, and the laser cladding process parameters are as follows: laser power is 1550KW, spot diameter is 0.8mm, scanning speed is 180mm / min, defocus is 0mm, protective gas is argon, and the gas flow rate is 25L / min.
[0035] 5. After laser cladding, aqua regia was used to corrode, and the metallographic photos of the cladding layer were obtained.
[0036] The microhardness of the claddin...
Embodiment example 2
[0041] 1. Calculate the ratio of FeNiCrAlCuMnx (taking x=1) high-entropy alloy powder according to the molar ratio: Fe is 16.67mol%, Ni is 16.67mol%, Cr is 16.67mol%, Al is 16.67mol%, Cu is 16.66mol% , Mn is 16.66mol%, the total molar ratio is 100%, and electronic scales are used to weigh the powders of various elements.
[0042] 2. Pour into a mortar and grind in the mortar for half an hour to mix well.
[0043] 3. Mix the prepared laser cladding powder with 95% and 5% ethanol to form a paste or paste, and then coat it on the surface of 42CrMo steel with a preset layer thickness of 1 mm. After air-drying, perform laser cladding.
[0044] 4. The laser adopts JK2003SM type Nd:YAG, and the laser cladding process parameters are as follows: laser power is 1550KW, spot diameter is 0.8mm, scanning speed is 180mm / min, defocus is 0mm, protective gas is argon, and the gas flow rate is 25L / min.
[0045] 5. After laser cladding, aqua regia was used to corrode, and the metallographic ph...
Embodiment example 3
[0051] 1. Carry out FeNiCrAlCuMnx (take x=0.3) high-entropy alloy powder proportioning each metal element according to molar ratio: Fe, Ni, Cr, Al and Cu are equimolar, Mn is 0.3 of Cu molar number, carry out mixing and use, Refer to the above implementation case
[0052] 2. Laser cladding process: the laser power is 1650KW, the spot diameter is 1.0mm, the scanning speed is 200mm / min, the defocus is 0mm, the protective gas is helium, and the gas flow rate is 20L / min
[0053] 3. Use the same performance test, the results are shown in the table below:
[0054] hardness
[0055]
[0056] wear resistance
[0057]
[0058]
PUM
Property | Measurement | Unit |
---|---|---|
hardness | aaaaa | aaaaa |
hardness | aaaaa | aaaaa |
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, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com