Brazing copper to dispersion-strengthened copper

David G. Ryding; Douglas Allen; Richard H. Lee

doi:10.1117/12.259829

21 November 1996 Brazing copper to dispersion-strengthened copper

David G. Ryding, Douglas Allen, Richard H. Lee

Proceedings Volume 2855, High Heat Flux Engineering III; (1996) https://doi.org/10.1117/12.259829
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

The advanced photon source is a state-of-the-art synchrotron light source that will produce intense x-ray beams, which will allow the study of smaller samples and faster reactions and processes at a greater level of detail than has ben possible to date. The beam is produced by using third- generation insertion devices in a 7-GeV electron/positron storage ring that is 1,104 meters in circumference. The heat load from these intense high-power devices is very high, and certain components must sustain total heat loads of 3 to 15 kW and heat fluxes of 30 W/mm$_2). Because the beams will cycle on and off many times, thermal shock and fatigue will be a problem. High heat flux impinging on a small area causes a large thermal gradient that results in high stress. GlidCop, a dispersion-strengthened copper, is the desired design material because of its high thermal conductivity and superior mechanical properties as compared to copper and its alloys. GlidCop is not amenable to joining by fusion welding, and brazing requires diligence because of high diffusivity. Brazing procedures were developed using optical and scanning electron microscopy.

Citation Download Citation

David G. Ryding, Douglas Allen, and Richard H. Lee "Brazing copper to dispersion-strengthened copper", Proc. SPIE 2855, High Heat Flux Engineering III, (21 November 1996); https://doi.org/10.1117/12.259829

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