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On statistical behaviour of stress drops in Portevin–Le Chatelier effect

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Abstract

The Portevin–Le Chatelier (PLC) effect is a kind of plastic instability observed in many dilute alloys when deformed at certain ranges of strain rate and temperature. In this paper we present a comprehensive statistical analysis of the observed experimental data obtained during PLC effect and establish that the occurrence probability of the stress drops in the dynamical process responsible for PLC effect is Poisson in nature.

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Authors and Affiliations

  1. Variable Energy Cyclotron Centre, 1/AF Bidhan Nagar, Kolkata, 700 064, India

    A CHATTERJEE, P MUKHERJEE, N GAYATHRI & P BARAT

  2. Indian Statistical Institute, 203 B.T. Road, Kolkata, 700 105, India

    ARNAB BARAT

  3. Mechanical Metallurgy Section, Bhabha Atomic Research Centre, Mumbai, 400 085, India

    A SARKAR

Authors
  1. A CHATTERJEE
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  2. P MUKHERJEE
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  3. N GAYATHRI
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  4. P BARAT
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  5. ARNAB BARAT
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  6. A SARKAR
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Correspondence to A CHATTERJEE.

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CHATTERJEE, A., MUKHERJEE, P., GAYATHRI, N. et al. On statistical behaviour of stress drops in Portevin–Le Chatelier effect. Bull Mater Sci 34, 1113–1117 (2011). https://doi.org/10.1007/s12034-011-0153-x

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  • DOI: https://doi.org/10.1007/s12034-011-0153-x

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