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Title: Size dependent strength of bcc metal micropillars: towards high strength surfaces by micropatterning
Authors: Schneider, AndreasArzt, Eduard
Issue Date: 2010
Published in: Jahresbericht ... / Leibniz-Institut für Neue Materialien, Volume 2009, Page 23-27
Publisher: Saarbrücken : Leibniz-Institut für Neue Materialien
Abstract: The size effect in body-centered cubic (bcc) metals was comprehensively investigated through microcompression tests performed on focused ion beam machined tungsten (W), molybdenum (Mo) and niobium (Nb) pillars, with single slip [235] and multiple slip [001] orientations. The relationship between yield strength and pillar diameter as well as the deformation morphologies were found to correlate with a parameter specific for bcc metals, i.e. the critical temperature Tc. This finding sheds new light on the phenomenon of small-scale plasticity in largely unexplored non-fcc metals. This effect may be used in the patterning of surfaces to achieve higher strengths.
DDC: 620
License: This document may be downloaded, read, stored and printed for your own use within the limits of § 53 UrhG but it may not be distributed via the internet or passed on to external parties.
Dieses Dokument darf im Rahmen von § 53 UrhG zum eigenen Gebrauch kostenfrei heruntergeladen, gelesen, gespeichert und ausgedruckt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden.
Appears in Collections:Ingenieurwissenschaften

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