Device and method for preparing high-melting-point alloy powder through electric arc
An alloy powder, high melting point technology, used in transportation and packaging, metal processing equipment, additive processing, etc., can solve problems such as high melting temperature, and achieve high milling efficiency, easy implementation, and flexible powder types.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0051] Such as figure 1 As shown, a device for preparing high melting point alloy powder by electric arc includes: collector 7, melting pole 2, non-melting pole 3, both melting pole 2 and non-melting pole 3 are inserted into the opening of collector 7; collector 7 is a container structure, wherein a protective medium is provided, and the protective medium is selected from one or both of inert gas or liquid nitrogen;
[0052] The melting electrode 2 is provided with a wire material 11, and the non-melting electrode 3 is provided with a tungsten electrode 4; the metal wire material 11 is connected to the positive pole of the arc generating power supply 1, and the tungsten electrode 4 is connected to the negative pole of the arc generating power supply 1, and the arc is formed on the wire material. Arcing between 11 and tungsten electrode 4;
[0053] The melting electrode 2 is provided with a coaxial shielding gas; the non-melting electrode 3 is provided with a coaxial shielding...
Embodiment 2
[0057] Adopt the device described in embodiment 1 to prepare the stainless steel powder of laser additive manufacturing:
[0058] The welding wire adopts ER308 stainless steel welding wire with a diameter of 1.2mm, and liquid nitrogen is filled into the collector for collecting the molten droplets;
[0059] The ER308 stainless steel welding wire in the melting pole is connected to the positive pole of the arc generator power supply, and the tungsten pole in the non-melting pole is connected to the negative pole of the arc generator power supply, so that the arc starts and burns stably between the ER308 stainless steel welding wire and the tungsten pole; at a current of 300A At that time, the argon gas flow rate of the ER308 stainless steel welding wire coaxial gas protection is 15L / min, the argon gas flow rate of the non-melting electrode is 15L / min, and the gas flow rate of the bypass side blowing atomization nozzle is 30L / min, and the formed droplets are directly Spray into ...
Embodiment 3
[0062] Adopt the device described in embodiment 1 to prepare iron-based amorphous powder:
[0063] The welding wire is a flux-cored welding wire made by drawing high-purity iron sheet wrapped metal powder, and the nominal composition of the welding wire is Fe 67 Cu 2 Nb 3 Si 19 B 9 , the diameter of the welding wire is 2.0mm; the powder collector for collecting powder is filled with liquid nitrogen;
[0064] The flux-cored wire in the melting pole is connected to the positive pole of the arc generator, and the tungsten pole in the non-melting pole is connected to the negative pole of the welding power supply, so that the arc starts between the flux-cored wire and the tungsten pole and burns stably; when the current is 350A , the flux-cored wire coaxial shielded argon gas flow rate is 15L / min, the argon gas flow rate of the non-melting electrode is 15L / min, and the argon gas flow rate of the bypass side-blown atomizing nozzle is 30L / min, the formed droplets Spray directly ...
PUM
Property | Measurement | Unit |
---|---|---|
Diameter | 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