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Interface Mechanical Strength and Elastic Constants Calculations via Nano Impact and Nanomechanical Raman Spectroscopy

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Fracture, Fatigue, Failure and Damage Evolution, Volume 7

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Abstract

Interfaces are ubiquitous in important natural and manmade materials. Research evidence has shown that interface chemistry, structure, and thickness together strongly influence material microstructure and mechanical properties. The focus of the present work is on presenting an experiment based theoretic advancement to predict thickness dependent elastic properties of materials interfaces by treating the interfaces and the area around them in a material as an elastic continuum. The experiments are based on the nanomechanical Raman spectroscopy (NMRS) developed by authors earlier with a capability to simultaneously measure stress components in orthogonal directions during an in-situ nanomechanical loading. An analytical model is developed based on boundary conditions of interface to predict thickness dependent interface elastic constants. The interface elastic constants are compared with the relations provided in literature.

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Authors and Affiliations

  1. School of Aeronautics and Astronautics, Purdue University, West Lafayette, IN, 47907, USA

    Devendra Verma & Vikas Tomar

Authors
  1. Devendra Verma
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  2. Vikas Tomar
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Corresponding author

Correspondence to Vikas Tomar .

Editor information

Editors and Affiliations

  1. Sandia National Laboratories, Albuquerque, New Mexico, USA

    Jay Carroll

  2. School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia, USA

    Shuman Xia

  3. Pennsylvania State University, State College, Pennsylvania, USA

    Alison M. Beese

  4. Department of Mechanical & Aerospace Engineering, Utah State University, Logan, Utah, USA

    Ryan B. Berke

  5. Department of Mechanical Engineering, Clemson University, Clemson, South Carolina, USA

    Garrett J Pataky

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© 2018 The Society for Experimental Mechanics, Inc.

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Verma, D., Tomar, V. (2018). Interface Mechanical Strength and Elastic Constants Calculations via Nano Impact and Nanomechanical Raman Spectroscopy. In: Carroll, J., Xia, S., Beese, A., Berke, R., Pataky, G. (eds) Fracture, Fatigue, Failure and Damage Evolution, Volume 7. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. https://doi.org/10.1007/978-3-319-62831-8_1

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  • DOI: https://doi.org/10.1007/978-3-319-62831-8_1

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-62830-1

  • Online ISBN: 978-3-319-62831-8

  • eBook Packages: EngineeringEngineering (R0)

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