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A modified method for evaluation of materials containing volatile corrosion inhibitor

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Abstract

A systematic research on a modified method that was developed to evaluate the effectiveness of volatile corrosion inhibitor(VCI) materials was carried out. The metal specimen in size of 50 mm × 25 mm × 2 mm was level mounted on the top of a beaker by transparent adhesive tape and the assembly was placed in a constant temperature water bath and kept at approximately 40 °C to accelerate the vaporization of VCI and distilled water, which was placed at the bottom of the beaker at the same time. The experimental results show that the reproducibility of rust appearance and corrosion rate calculated by specimen’s mass loss is perfect. The outstanding characteristic of the rust appearance based on different VCI formula is discovered that is very important in studying the mechanism of VCI and the synergism of chemical reagent. The accelerated ratio is increased greatly as compared with the traditional method and the value is approximately 15 as compared with Shijiazhuang atmospheric environment corrosion test. The modified method is suitable for formula screening test and quick effectiveness evaluation of VCI materials.

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Authors and Affiliations

  1. Section of Physics and Chemistry, Shijiazhuang Mechanical Engineering College, 050003, Shijiazhuang, China

    Wan Hong-jing (Master, lecturer), Huang Hong-jun, Zhang Min & Li Zhi-guang

Authors
  1. Wan Hong-jing
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  2. Huang Hong-jun
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  3. Zhang Min
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  4. Li Zhi-guang
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Correspondence to Wan Hong-jing.

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Wan, Hj., Huang, Hj., Zhang, M. et al. A modified method for evaluation of materials containing volatile corrosion inhibitor. J Cent. South Univ. Technol. 12, 406–410 (2005). https://doi.org/10.1007/s11771-005-0172-0

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  • DOI: https://doi.org/10.1007/s11771-005-0172-0

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