TL;DR
This paper explains vacuum brazing and soldering techniques, highlighting how vacuum improves wetting and oxide reduction, with detailed procedures for metal and ceramic components, especially in high-precision RFQ cavity assembly.
Contribution
It provides a comprehensive overview of vacuum brazing and soldering, including new procedures for large-scale RFQ cavity assembly and ceramic brazing methods.
Findings
Vacuum reduces metal oxides, enhancing wetting.
Detailed procedures for RFQ cavity brazing.
Methods for ceramic brazing with metallisation and active alloys.
Abstract
First, we describe vacuum brazing and vacuum soldering. Then, we demonstrate how vacuum assists in reducing specific metal oxides, significantly enhancing the wetting of the braze material. Examples of metal-to-metal brazing and soldering are provided. The brazing of large accelerating cavities, specifically Radio Frequency Quadrupoles (RFQ), is then explained in more detail to present a comprehensive procedure tailored for high-precision, large-scale assemblies. Finally, we discuss the process of brazing ceramics using both techniques: with metallisation and with active brazing alloy.
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Taxonomy
TopicsParticle accelerators and beam dynamics · Microwave-Assisted Synthesis and Applications · Particle Accelerators and Free-Electron Lasers