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Nanoindentation analysis of the mechanical behavior of Zr-based metallic glasses with Sn, Ta and W additions

Sophie Nowak 1 Patrick Ochin 1 Alexandre Pasko 1 Olek Maciejak 2 Pascal Aubert 2 Yannick Champion 1
1 ICMPE - Institut de Chimie et des Matériaux Paris-Est
2 UEVE - Université d'Évry-Val-d'Essonne
Abstract : Zr57Cu20Al10Ti8Ni5 and modified composition by adding Sn, W or Ta are studied using standard mechanical test and nanoindentation. Addition of refractory elements with a Sn micro-addition increases clearly the Young's modulus and the hardness of basic BMG. However, Sn reduces plasticity. Moreover these experiments allowed, in confine plasticity conditions, estimating an apparent activation volume associated to a plastic deformation (≈150 Å3).
Keywords : Metallic glasses Nanoindentation Mechanical properties
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https://hal-univ-evry.archives-ouvertes.fr/hal-02150284
Contributor : Olek Maciejak Connect in order to contact the contributor
Submitted on : Friday, June 7, 2019 - 10:55:31 AM
Last modification on : Monday, December 13, 2021 - 1:42:03 PM

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UNIV-EVRY | UPEC-UPEM | CNRS | INC-CNRS | UPEC | ICMPE

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Sophie Nowak, Patrick Ochin, Alexandre Pasko, Olek Maciejak, Pascal Aubert, et al.. Nanoindentation analysis of the mechanical behavior of Zr-based metallic glasses with Sn, Ta and W additions. Journal of Alloys and Compounds, Elsevier, 2009, 483 (1-2), pp.139-142. ⟨10.1016/j.jallcom.2008.07.178⟩. ⟨hal-02150284⟩

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