The influence of metallic brazing materials on the strain formation of internally water-cooled X-ray optics


The influence of metallic brazing materials on the strain formation of internally water-cooled X-ray optics

Oberta, P.; Kittler, M.; Áč, V.; Hrdý, J.; Iragashi, N.; Scheinost, A. C.; Uchida, Y.

An extended study of metallic bonding material for internally cooled optics is presented. The study shows the influence of the different material properties on the final quality of the bond in terms of diffracted wave-front distortion, i.e. enlargement of the rocking curve. By choosing the proper bonding material and applying the proper bonding conditions, the influence of the bonding material can be fully eliminated. Furthermore the degradation of some bonding material due to the extreme working conditions of the optics is presented. Measurement results from ESRF and KEK confirm the importance of the proper bonding material choice.

Keywords: x-ray optics; silica; bonding; XAS

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Permalink: https://www.hzdr.de/publications/Publ-20683
Publ.-Id: 20683