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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
11

Characterisation of thermoplastic polyurethane (TPU) for additive manufacturing

Haid, Daniel Matthias, Duncan, Olly, Hart, John, Foster, Leon 14 October 2022 (has links)
Despite increasing use, many 3d printing material properties are not openly available, which causes barriers to simulation and application. Four additively manufactured thermoplastic polyurethanes were characterised at low (0.006 1/s) to high (16 1/s) compressive and tensile strain rates, and during stress relaxation. Quasi-static Young’s moduli were determined to be 24 – 247 MPa, increasing by up to 183% at 16 1/s. / Trotz der zunehmenden Verwendung sind viele Materialeigenschaften für den 3D-Druck nicht offen zugänglich, was die Simulation und Anwendung erschwert. Vier additiv hergestellte thermoplastische Polyurethane wurden bei niedrigen (0,006 1/s) bis hohen (16 1/s) Druck- und Zugdehnungsraten sowie während der Spannungsrelaxation charakterisiert. Die quasistatischen Elastizitätsmodule wurden mit 24 - 247 MPa bestimmt, wobei sie bei 16 1/s um bis zu 183 % anstiegen.

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