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    Corrosion Resistance of Stainless Steel Clad Reinforced Bars

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    SL Report 19-3.pdf (565.0Kb)
    Issue Date
    2019-09
    Author
    O’Reilly, Matthew
    Darwin, David
    Vosough Grayli, Pooya
    Farshadfar, Omid
    Publisher
    University of Kansas Center for Research, Inc.
    Type
    Technical Report
    Is part of series
    SL Report;19-3
    Published Version
    https://iri.ku.edu/reports
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    Abstract
    The corrosion resistance of No. 6 Type 316 stainless steel clad bars produced by Commercial Metals Company (CMC) was evaluated using the rapid macrocell and cracked beam tests (15 and 96 weeks, respectively), as described in the Annexes of ASTM A955. The bars were pickled in a 20% hydrochloric acid solution for five minutes, but exhibited some residue after the pickling process. Some bars were sandblasted and repickled at the University of Kansas to remove the residue; these repickled bars were also evaluated in the rapid macrocell test. Both the as received and repickled bars met the requirements of ASTM A955 when evaluated using the rapid macrocell test. Two of the bars evaluated in the cracked beam test exceeded the 0.5 μm/yr, the upper limit for corrosion rate specified in ASTM A955. Upon autopsy of the specimens, it was determined that corrosion only occurred on the cut ends of the bars and not the cladding itself. The stainless steel clad reinforcing bars evaluated in this study met the requirements of ASTM A955. It is recommended that protection of the cut ends of stainless steel clad bars be employed where the use of corrosion resistant reinforcing bars is required.
    URI
    http://hdl.handle.net/1808/30282
    Collections
    • Infrastructure Research Institute Scholarly Works [331]
    Citation
    O’Reilly, M., Darwin, D., Vosough Grayli, P., Farshadfar, O., “Corrosion Resistance of Stainless Steel Clad Reinforced Bars,” SL Report No. 19-3, University of Kansas Center for Research, Inc., Lawrence, KS, September 2019, 20 pp.

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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