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Observation of Grain-Size Effect in Serration of Aluminum Alloy

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Advancement of Optical Methods in Experimental Mechanics, Volume 3

Abstract

Serration phenomena of AA5083 alloys with various crystal grain sizes during tensile tests were visualized using Electronic Speckle Pattern Interferometry. The behavior of deformation band during the plastic deformation associated with the serration was investigated by a dynamic observation of the images of displacement contours. The characteristic in the serrated curve varied depending on the grain size of specimen and the applied total strain at which the deformation band appeared. The occurrence and propagation processes of the deformation band observed in the displacement contours were investigated being compared with the serrated curve in the load. The correlation between the band propagation and the serrated curve, and the difference in the behavior of band propagation by the grain size were discussed based on the variations in the magnitude of the load drop and the velocity of the moving deformation band.

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Authors and Affiliations

  1. Department of Engineering, Niigata University, Ikarashininocho 8050, Nishi-ku, Niigata-shi, Niigata, 950-2181, Japan

    Tomohiro Sasaki & Tatsuya Nakamura

  2. Department of Chemistry and Physics, Southeastern Louisiana University, SLU 10878, Hammond, LA, 70402, USA

    Sanichiro Yoshida

Authors
  1. Tomohiro Sasaki
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  2. Tatsuya Nakamura
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  3. Sanichiro Yoshida
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Corresponding author

Correspondence to Tomohiro Sasaki .

Editor information

Editors and Affiliations

  1. Sandia National Laboratories, Livermore, USA

    Helena Jin

  2. Illinois Institute of Technology, Chicago, Illinois, USA

    Cesar Sciammarella

  3. Southeastern Louisiana University, Hammond, USA

    Sanichiro Yoshida

  4. Bari, Italy

    Luciano Lamberti

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© 2015 The Society for Experimental Mechanics, Inc.

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Sasaki, T., Nakamura, T., Yoshida, S. (2015). Observation of Grain-Size Effect in Serration of Aluminum Alloy. In: Jin, H., Sciammarella, C., Yoshida, S., Lamberti, L. (eds) Advancement of Optical Methods in Experimental Mechanics, Volume 3. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. https://doi.org/10.1007/978-3-319-06986-9_11

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  • DOI: https://doi.org/10.1007/978-3-319-06986-9_11

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-06985-2

  • Online ISBN: 978-3-319-06986-9

  • eBook Packages: EngineeringEngineering (R0)

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