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Evaluation of Changes in Dislocation Density in TI-CP2 in the Process of Quasi-Static Loading Using Electrical Resistance Measurements

  • Letters in Fracture and Micromechanics
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Abstract

The paper focuses on the development of new methodology to evaluate increase of dislocation density in metals using electrical resistance measurements. Titanium specimens have been quasi-statically loaded with Instron testing machine till fracture and electrical resistance of the specimens have been monitored during the tests. Dislocation density was recovered from electrical resistance measurements and from SEM images before and after loading. Thus obtained results are shown to be in good agreement. The methodology developed in the present paper may be used for accurate monitoring of dislocation density in-situ.

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Authors and Affiliations

  1. Mechanical and Aerospace Engineering, New Mexico State University, Las Cruces, NM, 88003, USA

    Ignatius Yulianto, Mohammad Omari & Igor Sevostianov

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  1. Ignatius Yulianto
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  2. Mohammad Omari
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  3. Igor Sevostianov
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Yulianto, I., Omari, M. & Sevostianov, I. Evaluation of Changes in Dislocation Density in TI-CP2 in the Process of Quasi-Static Loading Using Electrical Resistance Measurements. Int J Fract 175, 73–78 (2012). https://doi.org/10.1007/s10704-012-9698-y

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  • DOI: https://doi.org/10.1007/s10704-012-9698-y

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