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Sci Rep. 2019 Jun 04;9(1):8281. doi: 10.1038/s41598-019-44384-z.

Exceptional fracture resistance of ultrathin metallic glass films due to an intrinsic size effect.

Scientific reports

Oleksandr Glushko, Marlene Mühlbacher, Christoph Gammer, Megan J Cordill, Christian Mitterer, Jürgen Eckert

Affiliations

  1. Erich Schmid Institute of Materials Science, Austrian Academy of Sciences, Montanuniversität Leoben, Jahnstrasse 12, 8700, Leoben, Austria. [email protected].
  2. Department of Materials Physics, Montanuniversität Leoben, Jahnstrasse 12, 8700, Leoben, Austria. [email protected].
  3. Infineon Technologies Austria AG, Siemensstraße 2, 9500, Villach, Austria. [email protected].
  4. Erich Schmid Institute of Materials Science, Austrian Academy of Sciences, Montanuniversität Leoben, Jahnstrasse 12, 8700, Leoben, Austria.
  5. Department of Materials Physics, Montanuniversität Leoben, Jahnstrasse 12, 8700, Leoben, Austria.
  6. Department of Physical Metallurgy and Materials Testing, Montanuniversität Leoben, Franz-Josef-Strasse 18, 8700, Leoben, Austria.

PMID: 31164663 PMCID: PMC6547732 DOI: 10.1038/s41598-019-44384-z

Abstract

Metallic glasses typically fail in a brittle manner through shear band propagation but can exhibit significant ductility when the sample size is reduced below a few hundreds of nanometers. To date the size effect was mainly demonstrated for free-standing samples and the role of extrinsic setup parameters on the observed behavior is still under debate. Therefore, in the present work we investigated the mechanical properties of polymer-supported sputtered amorphous Pd

References

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