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Copper coated carbon fiber reinforced plastics for high and ultra high vacuum applications

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arxiv 1308.2563 v1 pith:FPSDPYA4 submitted 2013-08-12 physics.ins-det

Copper coated carbon fiber reinforced plastics for high and ultra high vacuum applications

F. Burri , M. Fertl , P. Feusi , R. Henneck , K. Kirch , B. Lauss , P. Ruettimann , P. Schmidt-Wellenburg
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A. Schnabel J. Voigt J. Zenner G. Zsigmond
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classification physics.ins-det
keywords vacuumfoundhighapplicationsbeencarboncucfrpfiber
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We have used copper-coated carbon fiber reinforced plastic (CuCFRP) for the construction of high and ultra-high vacuum recipients. The vacuum performance is found to be comparable to typical stainless steel used for this purpose. In test recipients we have reached pressures of 2E-8 mbar and measured a desorption rate of 1E-11 mbar*liter/s/cm^2; no degradation over time (2 years) has been found. Suitability for baking has been found to depend on the CFRP production process, presumably on the temperature of the autoclave curing. Together with other unique properties of CuCFRP such as low weight and being nearly non-magnetic, this makes it an ideal material for many high-end vacuum applications.

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