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A statistical analysis of the mechanical and electronic-transport properties of stochastic porous fibrous materials

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Abstract

Computer simulations are used to analyze mechanical and electronic-transport properties and their degradation in stochastic porous fibrous materials. Such materials are currently being used for electrochemical substrates in advanced battery technologies such as the nickel/metal-hydride and lithium-ion technologies. It is found that due a structural damage, material mechanical and electron-transport properties degrade during loading at a progressively higher rate leading ultimately to a complete loss of the material ability to support mechanical load or to conduct electrical current. A statistical sensitivity analysis is also developed which could be used in the design and fabrication of stochastic porous fibrous materials in order to ensure that a desired minimum level of the failure strength is attained at a sufficiently high probability.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Program in Materials Science and Engineering, Clemson University, Clemson, SC, 29634

    M. Grujicic & C. L. Zhao

  2. Army Research Laboratory—Processing and Properties Branch, Aberdeen, Proving Ground, MD, 21005-5069

    W. N. Roy

Authors
  1. M. Grujicic
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  2. C. L. Zhao
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  3. W. N. Roy
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Correspondence to M. Grujicic.

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Grujicic, M., Zhao, C.L. & Roy, W.N. A statistical analysis of the mechanical and electronic-transport properties of stochastic porous fibrous materials. J Mater Sci 40, 5181–5190 (2005). https://doi.org/10.1007/s10853-005-4411-4

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  • DOI: https://doi.org/10.1007/s10853-005-4411-4

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