Journal
CORROSION SCIENCE
Volume 65, Issue -, Pages 163-168Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2012.08.016
Keywords
Steel reinforced concrete; Rust
Funding
- National Natural Science Foundation of China [50920105806]
- Fundamental Research Funds for the Central Universities of China [2012FZA4018]
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This paper aims to determine the elastic moduli of corrosion products using nano-indentation techniques. Nano-indentation techniques were performed to determine the elastic modulus of four corrosion products collected from various environments. The results show that the corrosion products between a steel bar and concrete include the outer layer, which is the mill scale, and the inner layer, which is generated during the corrosion process and is considered to be the main reason for concrete cracking. The elastic modulus of the inner rust of S1, S2, S3 and S4 is 61, 86, 47 and 51 GPa, respectively. (C) 2012 Elsevier Ltd. All rights reserved.
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