|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||Fracture Properties and Residual Stresses in Small Dimensions
||Micro-Compression Testing of Mg-Nb Multilayered Nano-Composites for Ultra-High Strength, Formability and Ductility
||Manish Jain, Marko Knezevic, Nathan Mara, Irene J. Beyerlein, Siddhartha Pathak
|On-Site Speaker (Planned)
In this work we explore the mechanical response of Mg-Nb multilayered nanocomposites as a function of decreasing layer thickness. Layers of Mg and Nb, with individual layer thicknesses varying from 5 to 50 nm, were synthesized using physical vapor deposition. Transmission electron microscopy (TEM) and X-Ray diffraction (XRD) studies reveal that at lower thicknesses of ~5 nm Mg undergoes an interface strain induced phase transition from hexagonal close-packed (HCP) to a metastable body centered cubic (BCC) structure. Using a combination of indentation testing and micro-pillar compression experiments – where the multilayers were tested in 3 different orientations: with interfaces oriented normal, parallel and inclined 450 to the loading axis – we analyze the elastic and plastic anisotropy of this hitherto unstudied BCC Mg structure. These studies reveal BCC Mg to be super-strong and more ductile than its HCP counterpart, suggesting significant implications for potential lightweight aerospace and automotive applications.
The content structure of the provided text is a scientific abstract that describes the research on the mechanical properties of Mg-Nb multilayered nanocomposites, including the methods used and the findings.
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Given a text passage, determine:
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    2. If an answer to that mathematical question is provided in the text

First, describe the content structure you found in 1-2 sentences.

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|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||Fracture Properties and Residual Stresses in Small Dimensions
||Micro-Compression Testing of Mg-Nb Multilayered Nano-Composites for Ultra-High Strength, Formability and Ductility
||Manish Jain, Marko Knezevic, Nathan Mara, Irene J. Beyerlein, Siddhartha Pathak
|On-Site Speaker (Planned)
In this work we explore the mechanical response of Mg-Nb multilayered nanocomposites as a function of decreasing layer thickness. Layers of Mg and Nb, with individual layer thicknesses varying from 5 to 50 nm, were synthesized using physical vapor deposition. Transmission electron microscopy (TEM) and X-Ray diffraction (XRD) studies reveal that at lower thicknesses of ~5 nm Mg undergoes an interface strain induced phase transition from hexagonal close-packed (HCP) to a metastable body centered cubic (BCC) structure. Using a combination of indentation testing and micro-pillar compression experiments – where the multilayers were tested in 3 different orientations: with interfaces oriented normal, parallel and inclined 450 to the loading axis – we analyze the elastic and plastic anisotropy of this hitherto unstudied BCC Mg structure. These studies reveal BCC Mg to be super-strong and more ductile than its HCP counterpart, suggesting significant implications for potential lightweight aerospace and automotive applications.
user
The content structure of the provided text is a scientific abstract that describes the research on the mechanical properties of Mg-Nb multilayered nanocomposites, including the methods used and the findings.

TYPE: NO_QUESTION