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A Methodology for In-Situ FIB/SEM Tension Testing of Metals

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Dynamic Behavior of Materials, Volume 1

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Abstract

We report on recent investigations into the mechanical properties of metallic micro-specimens deformed in tension and compression. We will focus on investigations using a custom test apparatus for in-situ focused ion beam and scanning electron microscope (FIB/SEM) mechanical testing. Our system utilizes a 3-axis piezoelectric positioning system that enables precise alignment of the micro-specimens within a tensile grip. Loads are applied using a high-resolution linear actuator with a reported resolution of ~1 nm and measured with a strain gage based S-beam load cell. The load cells have a capacity of 10 or 100 g with a resolution of ~0.01 g. Specimen load/stress and crosshead displacements are measured using a customized data acquisition program, while the specimen strain is calculated from SEM micrographs using an open source digital image correlation script developed by Eberl and coworkers for MATLAB©. This system was used to investigate response of coarse grained and nanocrystalline tantalum micro-pillars with minimum dimensions smaller than 10 μm.

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Author information

Authors and Affiliations

  1. Nanoscale Science Program, University of North Carolina at Charlotte, Charlotte, NC, 28223, USA

    J. P. Ligda

  2. Mechanical Engineering Department, University of North Carolina at Charlotte, Charlotte, NC, 28223, USA

    Q. Wei

  3. Mechanical Engineering Department, Johns Hopkins University, Baltimore, MD, 21218, USA

    W. N. Sharpe

  4. Army Research Laboratory, Weapons and Materials Research Directorate, Aberdeen Proving Ground, MD, 21005, USA

    J. P. Ligda & B. E. Schuster

Authors
  1. J. P. Ligda
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  2. Q. Wei
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  3. W. N. Sharpe
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  4. B. E. Schuster
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Corresponding authors

Correspondence to J. P. Ligda or B. E. Schuster .

Editor information

Editors and Affiliations

  1. Department of Mechanics of Materials, Sandia National Laboratories, Livermore, California, USA

    Bo Song

  2. Aberdeen Proving Ground, US Army Research Laboratory, Aberdeen, Maryland, USA

    Dan Casem

  3. New Mexico Institute of Mining and Technology, Socorro, New Mexico, USA

    Jamie Kimberley

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© 2014 The Society for Experimental Mechanics, Inc.

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Ligda, J.P., Wei, Q., Sharpe, W.N., Schuster, B.E. (2014). A Methodology for In-Situ FIB/SEM Tension Testing of Metals. In: Song, B., Casem, D., Kimberley, J. (eds) Dynamic Behavior of Materials, Volume 1. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. https://doi.org/10.1007/978-3-319-00771-7_52

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  • DOI: https://doi.org/10.1007/978-3-319-00771-7_52

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-00770-0

  • Online ISBN: 978-3-319-00771-7

  • eBook Packages: EngineeringEngineering (R0)

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