研究目的
Exploring brazing, laser, and electron-beam welding techniques for joining a thin-walled GRCop-84 waveguide with zero porosity and minimal internal surface roughness for use in lower hybrid current drive (LHCD) RF launchers.
研究成果
The study concludes that laser, pulsed full penetration, and conduction mode EBW show great promise in joining GRCop-84 waveguide for use in lower hybrid launchers, with further tests recommended to optimize weld parameters.
研究不足
The study notes the need for further tests to optimize weld parameters for full penetration with a smooth bottom bead and to evaluate mechanical properties post-welding.
1：Experimental Design and Method Selection:
The study explores brazing, laser, and electron-beam welding techniques for joining GRCop-
2：Sample Selection and Data Sources:
GRCop-84 samples are produced by selective laser melting (SLM) and compared to oxygen-free copper (OFC).
3：List of Experimental Equipment and Materials:
Includes Concept Laser M2 Cusing system, gas atomized GRCop-84 powder, and various welding equipment.
4：Experimental Procedures and Operational Workflow:
Detailed procedures for brazing, laser, and electron-beam welding are described, including preparation and execution steps.
5：Data Analysis Methods:
Analysis includes examination of weld pool size, flow, and precipitate size maintenance.
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