Speaker
Dr
Klaus-Peter Weiss
(KIT, Institute for Technical Physics)
Description
Insulating materials for use in cryogenic boundary conditions are still limited to a proved selection as Polyamid, Glasfiber reinforced resins, PEEK, Vespel etc. These materials are usually formed to parts by mechanical machining or sometimes by cast methods. Shaping complex geometries in one piece is limited. Innovative 3D printing is now an upcoming revolutionary technology to construct functional parts from a couple of thermoplastic materials as ABS, Nylon and others which possess quite good mechanical stability and allow realizing very complex shapes with very subtle details. Even a wide range of material mixtures are an option and thermal treatments can be used to finish the material structure for higher performance. The use of such materials in cryogenic environment is very attractive but so far poor experience exists. In this paper first investigations of the thermal conductivity, expansion and mechanical strength are presented for a few selected commercial 3D material samples to evaluate their application prospects in the cryogenic temperature regime.
Author
Dr
Klaus-Peter Weiss
(KIT, Institute for Technical Physics)
Co-authors
Nadezda Bagrets
(Karlsruhe Institute of Technology – KIT)
Dr
Wilfried Goldacker
(KIT, Institute for Technical Physics)
