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Corrosion effect on reinforced concrete with the addition of graphite powder and its evaluation on physical-electrochemical properties

Author(s):


Medium: journal article
Language(s): Spanish
Published in: Revista ALCONPAT, , n. 1, v. 11
Page(s): 18-33
DOI: 10.21041/ra.v11i1.501
Abstract:

The corrosion of reinforced concrete without and with the addition of graphite powder with low carbon content was evaluated. Phase identification processes and physical-electrochemical properties of the concrete were analyzed using X-ray diffraction techniques (XRD), scanning electron microscopy (SEM), half-cell potential, electrochemical noise (EN) and linear polarization resistance (LPR). Samples were studied for 168 days in saline solution. The results show that, when adding graphite powder in an amount of 2.5% by weight of cement, the compressive strength increased if compared with the control sample. The electrochemical tests show that the higher the level of graphite replacement, the higher the level of corrosion in concrete.

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This creative work has been published under the Creative Commons Attribution 4.0 International (CC-BY 4.0) license which allows copying, and redistribution as well as adaptation of the original work provided appropriate credit is given to the original author and the conditions of the license are met.

  • About this
    data sheet
  • Reference-ID
    10540785
  • Published on:
    05/01/2021
  • Last updated on:
    02/06/2021