Efficient Water-Based Rust Inhibitor for Surface Treatment of Iron and Steel

Conference paper
Part of the Lecture Notes in Mechanical Engineering book series (LNME)

Abstract

In order to improve anti-rust effect on hot-rolled pickling plate for cars, a new nontoxic and efficient water-based rust inhibitor was developed. The optimal compositions of the rust inhibitor were determined through orthogonal test. In main rust inhibitor, the mass ratio of potassium zirconium fluoride, sebacic acid, boric acid, monoethanolamine, and triethanolamine was 5:5:1:16:8. 100 g concentrated solution contained 0.1 g sodium phosphate, 10 g urotropine, 10 g polyethylene glycol and polyvinyl alcohol as auxiliaries. The water-based rust inhibitor was nitrite-free, non-toxic, environmentally friendly and well-stable. The promoters and polymer film forming agents effectively enhanced corrosion resistance of anti-rust film. The 8% working solution of the water-based rust inhibitor had good rust resistance for hot-rolled steel plate under wet and hot conditions of RH > 0.95 and 50 °C.

Keywords

Water-based rust inhibitor Zirconium compound Hot-rolled steel plate Orthogonal design Environmental friendliness 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  1. 1.University of Science and Technology LiaoNingAnshan LiaoningChina
  2. 2.Beijing of Angang SteelBeijingChina

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